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Chemicals (P)

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INDEX PYRIDYLAZO-2-NAPHTHOL 2 PARAFORMALDEHYDE 2 PENTANE 2 PENTYL-ACETATE 3 PERCHLORIC ACID 3 PERIODIC ACID 3 PETROL MEDICAL R 4 PETROLEUM ETHER 40 - 60 °C 4 PETROLEUM ETHER 40 - 65 °C 4 PETROLEUM ETHER 60 - 80 °C 5 PETROLEUM ETHER 80 - 110 °C 5 PHENOL 5 PHLOROGLUCINOL DIHYDRATE 6 PHOSPHORUS PENTOXIDE 6 PHOSPHORUS RED 7 PHOSPHOTUNGSTIC ACID HYDRATE 7 PHTHALIC ACID 7 PICRIC ACID 7 POTASSIUM ALUMINUM SULFATE DODECAHYDRATE 8 POTASSIUM BROMATE 8 POTASSIUM BROMIDE 8 POTASSIUM CARBONATE ANHYDROUS 9 POTASSIUM CYANIDE POWDER 9 POTASSIUM DIHYDROGEN PHOSPHATE 10 POTASSIUM DICHROMATE 10 POTASSIUM DISULFATE 11 POTASSIUM DISULFITE 11 POTASSIUM FLUORIDE 11 POTASSIUM HEXACYANOFERRATE(II) TRIHYDRATE 12 POTASSIUM HYDROGEN CARBONATE 12 POTASSIUM HYDROGEN PHTHALATE 12 POTASSIUM HYDROGEN SULFATE 13 POTASSIUM HYDROGEN TARTRATE 13 POTASSIUM CHLORATE 13 POTASSIUM HYDROXIDE SCALES 14 POTASSIUM CHROMATE 14 POTASSIUM CHLORIDE 15 POTASSIUM CHROMATE 16 POTASSIUM NITRATE 16 POTASSIUM OXALATE MONOHYDRATE 17 POTASSIUM PERCHLORATE 17 POTASSIUM PERIODATE 18 POTASSIUM PEROXODISULFATE 18 POTASSIUM SODIUM TARTRATE TETRAHYDRATE 19 POTASSIUM SULFATE 19 POTASSIUM THIOCYANATE 19 P-PHENYLENEDIAMINE 20 PROPAN-1-OL 20 PYRIDINE 21 PYROGALLOL 21 PYRUVIC ACID SODIUM SALT 21

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CHEMICALS (P)

PYRIDYLAZO-2-NAPHTHOL Specifications : Ordering information : C15H11N3O CAS:85-85-8 EINECS:201-637-9 Melting point:137 - 140 °C Solubility:slightly soluble in methanol Use:complexometric indicator, spectrophotometric detection of Pb, Mn, Ca, Cu, Ni, Co, V cations Apperance:red to brown powder

indicator cat.No. 40130-IP0 Indicator 40130-IP0-G0005-1 5 g

PARAFORMALDEHYDE Specifications : Ordering information : (CH2O)n CAS:30525-89-4 EINECS:200-001-8 Melting point:120 - 170 °C Molecular weight:(30.03)n ADR/RID:4.1 RTECS code:RV0540000 Solubility:soluble in hot water Use:organic syntheses Apperance:white powder

pure cat.No. 40127-CP0 Assay-min. 95 % 40127-CP0-G1000-1 1000 g

PENTANE Specifications : Ordering information : C5H12 CAS:/95 EINECS:203-692-4 Density:1l~0,63 kg Flash point:-49 °C Melting point:-129 °C Molecular weight:72.15 ADR/RID:3 RTECS code:RZ9450000 Boiling point:36 °C Solubility:immiscible with water, miscible with alcohol and ether Use:analytical reagent for the determination of insoluble parts of oils, solvent for liquid and thin layer chromatography, extraction solvent, blowing agent Apperance:clear, colourless liquid

G.R. cat.No. 20043-AT0 Water (KF)-max. 0.02 % Nonvolative substances-max. 0.05 % Free acids (as C4H9COOH)-max. 0.001 % Obsah C5H12 izomerů-min. 99 % 20043-AT0-M1000-1 1000 g

pure cat.No. 20043-CT0 Obsah C5H12 izomerů-min. 97 % 20043-CT0-L0025-1 25L 20043-CT0-M1000-1 1000 g



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PENTYL-ACETATE Specifications : Ordering information : C7H14O2 CAS:628-63-7 EINECS:211-047-3 Density:1l~0,87 kg Flash point:25 °C Melting point:-71 °C Molecular weight:130.19 ADR/RID:3 RTECS code:AJ1925000 Boiling point:149 °C Solubility:miscible with alcohol and ether Use:solvent, organic syntheses Apperance:clear, colourless liquid

G.R. cat.No. 20005-AT0 Assay-~99 % Refractive index (n 20/D)-1.4018 - 1.4038 20005-AT0-M1000-1 1000 g

PERCHLORIC ACID Specifications : Ordering information : HClO4 CAS:7601-90-3 EINECS:231-512-4 Density:1l~1,67 kg Melting point:-18 °C Molecular weight:100.46 ADR/RID:5.1 RTECS code:SC7500000 Boiling point:199 °C Solubility:miscible with water Use:analytical reagent for the determination of potassium, silicon and phosphorus, strong oxidizer, solvent, separation of potassium from sodium Apperance:clear, colourless liquid

G.R. cat.No. 10032-A68 Assay-min. 68 % Sulfate ash-max. 0.003 % Iron (Fe)-max. 0.0005 % Lead (Pb)-max. 0.000005 % Sulfates (SO4)-max. 0.001 % Total nitrogen (N)-max. 0.001 % Free chlorine-max. 0.00005 % 10032-A68-M1000-1 1000 ml

G.R. cat.No. 10032-A70 Assay-min. 70 % Sulfate ash-max. 0.003 % Iron (Fe)-max. 0.0005 % Lead (Pb)-max. 0.000005 % Sulfates (SO4)-max. 0.001 % Total nitrogen (N)-max. 0.001 % Free chlorine-max. 0.00005 % 10032-A70-M1000-1 1000 ml

PENTYL-ACETATE Specifications : Ordering information : H5IO6 CAS:10450-60-9 EINECS:233-937-0 Melting point:122 - 127 °C Molecular weight:227.94 ADR/RID:5.1 Solubility:readily soluble in water and alcohol Use:analytical oxidizer, detection of polysaccharides Apperance:colourless crystals or white to light yellow powder, hygroscopic

G.R. cat.No. 10036-AP0 Assay-min. 99 % Iron (Fe)-max. 0.005 % Lead (Pb)-max. 0.005 % Sulfates (SO4)-max. 0.02 % Br, BrO3, Cl, ClO3 (j. Cl)-max. 0.02 % 10036-AP0-G0100-1 100 g



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PETROL MEDICAL R Specifications : Ordering information : CAS:/25 EINECS: Density:1l~0,67 kg Flash point:<-6 °C Melting point:<-50 °C ADR/RID:3 Boiling point:35 - 100 °C Solubility:insoluble in water, miscible with alcohol and ether Use:solvent in pharmacy and medicine Apperance:clear, colourless liquid

not specified cat.No. 20008-BT0 Nonvolative substances-1 mg/100 ml Distilling range (95%)-35 - 100 °C Identity-35 - 100 °C B-relative density-0.652 - 0.691 Benzene-max. 0.5 % 20008-BT0-M1000-1 1000 g

PETROLEUM ETHER 40 - 60 °C Specifications : Ordering information : CAS:8032-32-4/5 EINECS:232-453-7 Density:1l~0,65 kg Flash point:-58 až -18 °C Melting point:<-50 °C ADR/RID:3 Boiling point:40 - 60 °C Solubility:immiscible with water Use:solvent for HPLC Apperance:clear, colourless liquid with characteristic odour

HPLC cat.No. 20104-LT0 Water (KF)-max. 0.01 % Non-volative subst.-max. 0.0005 % Wavelenght (nm)-Propustnost (min. %) 250nm-99% 220nm-80% 210nm-60% 240nm-98% Acidity (mEq/g)-max. 0.0005 230nm-90% 20104-LT0-M2500-3 2500 g

PETROLEUM ETHER 40 - 65 °C Specifications : Ordering information : CAS:64742-49-0 EINECS:265-151-1 Density:1l~0,65 kg Flash point:-58 až -18 °C Melting point:<-50 °C ADR/RID:3 Boiling point:40 - 60 °C Solubility:immiscible with water Use:solvent for HPLC Apperance:clear, colourless liquid with characteristic odour

G.R. cat.No. 20045-AT0 Nonvolative substances-max. 0.002 % Free acids (as CH3COOH)-max. 0.002 % Distilling range (95%)-40 - 65 °C Free alkali (as NH3)-max. 0.001 % H2O (K.F.)-max. 0.01 % 20045-AT0-M1000-1 1000 ml 20045-AT0-M5000-1 5000 ml

pure cat.No. 20045-CT0 Nonvolative substances-max. 0.01 % Distilling range (95%)-40-65°C 20045-CT0-M1000-1 1000 ml



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PETROLEUM ETHER 60 - 80 °C Specifications : Ordering information : CAS:8032-32-4 EINECS: Density:1l~0,65 kg Flash point:-58 až -18 °C Melting point:<-50 °C ADR/RID:3 Boiling point:60 - 80 °C Solubility:immiscible with water Use:solvent for HPLC Apperance:clear, colourless liquid with characteristic odour

HPLC cat.No. 20046-LT0 Water (KF)-max. 0.01 % Nonvolative substances-max. 0.0005 % Acidity-max. 0.0005 mEq/g Wavelenght (nm)-Propustnost ( min.%) 250nm-99% 220nm-80% 210nm-60% 240nm-98% 230nm-90% 20046-LT0-M2500-3 2500 ml

PETROLEUM ETHER 80 - 110 °C Specifications : Ordering information : CAS:/74 EINECS:265-086-6 Density:1l~0,72 kg Flash point:-58 až -18 °C Melting point:<-50 °C ADR/RID:3 Boiling point:80 - 110 °C Solubility:immiscible with water Use:solvent Apperance:clear, colourless liquid with characteristic odour

pure cat.No. 20047-CT0 Distilling range (95%)-80 - 110 °C Nonvolative residue-max. 0.01 % 20047-CT0-L0020-1 20 L 20047-CT0-M1000-1 1000 ml 20047-CT0-M5000-1 5000 ml

PHENOL Specifications : Ordering information : C6H6O CAS:108-95-2 EINECS:203-632-7 Melting point:40 - 42 °C Molecular weight:94.11 ADR/RID:6.1 RTECS code:SI3325000 Boiling point:182 °C Solubility:easily soluble in alcohol and ether, soluble in warm water Use:analytical reagent for the determination of nitro compounds, ammonium, chlorine and bromine, organic syntheses, disinfectant, production of synthetic resins, pharmaceutical productions Apperance:colourless or pinkish crystals or melt, hygroscopic

G.R. cat.No. 40042-AP0 Assay-min. 99 % Nonvolative substances-max. 0.02 % Free acids (as CH3COOH)-max. 0.01 % Iron (Fe)-max. 0.0001 % Chlorides (Cl)-max. 0.001 % Freezing point-39 - 41 °C 40042-AP0-G0250-1 250 g 40042-AP0-G1000-1 1000 g



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PHENOL Specifications : Ordering information : C20H14O4 CAS:77-09-8 EINECS:201-004-7 Melting point:258 - 263 °C Molecular weight:318.33 RTECS code:SM8380000 Solubility:insoluble in water, soluble in alcohol Use:acid-base indicator, pharmaceutical productions, dye Apperance:white or yellowish powder

indicator cat.No. 40043-IP0 Colour transition-pH 8.2 - 10.0 40043-IP0-G0050-1 50 g 40043-IP0-G0100-1 100 g 40043-IP0-G1000-1 1000 g

PHLOROGLUCINOL DIHYDRATE Specifications : Ordering information : C6H6O3.2H2O CAS:6099-90-7 EINECS:203-611-2 Melting point:215 - 220 °C Molecular weight:162.15 RTECS code:DC4662500 Solubility:hardly soluble in water, easily in alcohol Use:analytical reagent Apperance:white or yellowish crystals, hygroscopic

G.R. cat.No. 40049-AP0 Melting point-215 - 220 °C Loss on ignition-max. 0.1 % 40049-AP0-G0050-1 50 g 40049-AP0-G0100-1 100 g

PHOSPHORUS PENTOXIDE Specifications : Ordering information : P2O5 CAS:1314-56-3 EINECS:215-236-1 Melting point:580 - 585 °C Molecular weight:141.94 ADR/RID:8 RTECS code:TH3945000 Boiling point:591 °C Solubility:reacts with water to release heat Use:drying of gases, liquids and solids, preparation of polyphoshoric acid, organic syntheses (cyclization agent, condensing agent) Apperance:white or off-white powder, hygroscopic

G.R. cat.No. 30133-AP0 Assay-min. 98 % Arsenic (As)-max. 0.005 % Reducting substances-max. 0.02 % Chlorides (Cl)-max. 0.001 % 30133-AP0-G0500-1 500 g



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CHEMICALS (P)

PHOSPHORUS RED Specifications : Ordering information : P CAS:7723-14-0 EINECS:231-768-7 Flash point:260 °C - Melting point:280 °C - lit. Molecular weight:30.97 ADR/RID:4.1 Apperance:red and brown powder

not specified cat.No. 30248-BP0 Assay-min. 97 %

30248-BP0-G0100-1 100 g 30248-BP0-G1000-1 1000 g

PHOSPHOTUNGSTIC ACID HYDRATE Specifications : Ordering information : H3[P(W3O10)4].aq CAS:12501-23-4 EINECS:215-682-7 Melting point:107 °C Molecular weight:2880.05 + aq ADR/RID:8 RTECS code:TH5650000 Solubility:soluble in water and alcohol Use:analytical reagent for the determination of alkaloids Apperance:white or light yellow-green powder

G.R. cat.No. 10026-AP0 Insoluble substances in H2O-max. 0.02 % Chlorides (Cl)-max. 0.03 % Sulfates (SO4)-max. 0.02 % Heavy metals and Fe-max. 0.005 %

10026-AP0-G0100-1 100 g

PHTHALIC ACID Specifications : Ordering information : C8H6O4 CAS:88-99-3 EINECS:201-873-2 Melting point:206 - 210 °C Molecular weight:166.14 RTECS code:TH9625000 Solubility:soluble in water and alcohol Use:preparation of buffers, organic syntheses Apperance:colourless crystals or white powder

G.R. cat.No. 10027-AP0 Assay-min. 99.5 % Iron (Fe)-max. 0.001 Heavy metals (as Pb)-max. 0.001 % Chlorides (Cl)-max. 0.001 % Sulfates (SO4)-max. 0.005 % Sulfate ash-max. 0.02 %

10027-AP0-G0500-1 500 g

PICRIC ACID Specifications : Ordering information : C6H3N3O7 CAS:88-89-1 EINECS:201-865-9 Melting point:121 - 122 °C Molecular weight:229.11 ADR/RID:4.1 RTECS code:TJ7875000 Solubility:soluble in alcohol Use:preparation of dyes, reagent for TLC, detection of hydrocarbons – picrates Apperance:yellow moist crystals

G.R. cat.No. 10027-AP0 Sulfate ash-max. 0.02 % Iron (Fe)-max. 0.0005 % Lead (Pb)-max. 0.0005 % Assay (dry subst.)-min. 99 % Sulfates (SO4)-max. 0.005 % Chlorides (Cl)-max. 0.005 % Moistened water-cca 40 %

10050-AP0-G0100-1 100 g



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POTASSIUM ALUMINUM SULFATE DODECAHYDRATE Specifications : Ordering information : Kal(SO4)2.12H2O CAS:7784-24-9 EINECS:233-141-3 Melting point:92 °C Molecular weight:474.39 RTECS code:WS5690000 Solubility:easily soluble in water Use:analytical reagent, hardening agent in microscopy, electro metal plating, textile industry , pharmaceutical productions, buffer Apperance:colourless crystals or white powder

G.R. cat.No. 30168-AP0 Assay-min. 99 % Arsenic (As)-max. 0.0002 % Iron (Fe)-max. 0.0005 % Lead (Pb)-max. 0.001 % Chlorides (Cl)-max. 0.001 % Amonium salts (NH4)-max. 0.005 %

30168-AP0-G0500-1 500 g 30168-AP0-G1000-1 1000 g

pure cat.No. 30168-CP0 Assay-min. 98.0 % Iron (Fe)-max. 0.002 % Lead (Pb)-max. 0.002 % Chlorides (Cl)-max. 0.005 %

30168-CP0-G1000-1 1000 g

Ph. Eur. cat.No. 30168-FP0 Assay-no information

30168-FP0-G1000-1 1000 g

POTASSIUM BROMATE Specifications : Ordering information : KBrO3 CAS:7758-01-2 EINECS:231-829-8 Melting point:434 °C Molecular weight:167.01 ADR/RID:5.1 RTECS code:EF8725000 Solubility:easily soluble in water, hardly in alcohol Use:analytical reagent, e.g. in volumetric analysis, oxidizer, food industry Apperance:white granular powder or crystals

G.R. cat.No. 30002-AP0 Assay-min. 99 % Iron (Fe)-max. 0.005 % Sulfates (SO4)-max. 0.01 % Bromides (Br)-max. 0.05 % pH (5 %, H2O)-5.0 - 9.0

30002-AP0-G0250-1 250 g

POTASSIUM BROMIDE Specifications : Ordering information : KBr CAS:7758-02-3 EINECS:231-830-3 Melting point:730 °C Molecular weight:119.01 RTECS code:TS7650000 Boiling point:1380 °C Solubility:easily soluble in water, hardly in alcohol Use:analytical reagent, bromating reagent in organic syntheses, IR spectroscopy, preparation of tetraethyl lead, photographic purposes, lithography, pharmaceutical productions Apperance:white granular powder or colourless crystals

G.R. cat.No. 30005-AP0 Assay-min. 99 % Iron (Fe)-max. 0.005 % Lead (Pb)-max. 0.005 % Chlorides (Cl)-max. 0.2 % Sulfates (SO4)-max. 0.005 % pH (5 %, H2O)-5.0 - 8.0

30005-AP0-G0500-1 500 g 30005-AP0-G1000-1 1000 g



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POTASSIUM BROMIDE Specifications : Ordering information : KBr CAS:7758-02-3 EINECS:231-830-3 Melting point:730 °C Molecular weight:119.01 RTECS code:TS7650000 Boiling point:1380 °C Solubility:easily soluble in water, hardly in alcohol Use:analytical reagent, bromating reagent in organic syntheses, IR spectroscopy, preparation of tetraethyl lead, photographic purposes, lithography, pharmaceutical productions Apperance:white granular powder or colourless crystals

pure cat.No. 30005-CP0 Assay-min. 98 %

30005-CP0-G0500-1 500 g 30005-CP0-G1000-1 1000 g

Ph. Eur. cat.No. 30005-FP0 Assay-no information

30005-FP0-G1000-1 1000 g

POTASSIUM CARBONATE ANHYDROUS Specifications : Ordering information : K2CO3 CAS:584-08-7 EINECS:209-529-3 Melting point:891 °C Molecular weight:138.21 RTECS code:TS7750000 Solubility:easily soluble in water Use:desiccant, e.g. for organic solvents, preparation of potassium salts, e.g. potassium cyanide, glass industry, textile industry, pharmaceutical productions Apperance:colourless crystals or white powder, hygroscopic

G.R. cat.No. 30212-AP0 Iron (Fe)-max. 0.0005 % Insoluble substances in H2O-max. 0.005 % Heavy metals (as Pb)-max. 0.001 % Chlorides (Cl)-max. 0.003 % Sulfates (SO4)-max. 0.004 % Assay (dry subst.)-min. 99 % Loss on ignition (300°C)-max. 1 %

30212-AP0-G0500-1 500 g 30212-AP0-G1000-1 1000 g

pure cat.No. 30212-CP0 Assay-~98 %

30212-CP0-G1000-1 1000 g

POTASSIUM CARBONATE ANHYDROUS Specifications : Ordering information : KBrO3 CAS:7758-01-2 EINECS:231-829-8 Melting point:434 °C Molecular weight:167.01 ADR/RID:5.1 RTECS code:EF8725000 Solubility:easily soluble in water, hardly in alcohol Use:analytical reagent, e.g. in volumetric analysis, oxidizer, food industry Apperance:white granular powder or crystals

G.R. cat.No. 30002-AP0 Assay-min. 99 % Iron (Fe)-max. 0.005 % Sulfates (SO4)-max. 0.01 % Bromides (Br)-max. 0.05 % pH (5 %, H2O)-5.0 - 9.0

30002-AP0-G0250-1 2500 g



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POTASSIUM CYANIDE POWDER Specifications : Ordering information : KCN CAS:151-50-8 EINECS:205-792-3 Melting point:635 °C Molecular weight:65.12 ADR/RID:6.1 RTECS code:TS8750000 Boiling point:1625 °C Solubility:easily soluble in water, hardly in alcohol Use:analytical reagent, e.g. complexing agent in alkaline solutions, organic syntheses – cyanation, extraction of gold and silver, galvanoplastics Apperance:white crystalline powder or little pieces, hygroscopic

G.R. cat.No. 30121-AP4 Assay-min. 98 % Insoluble substances in H2O-max. 0.05 % Sodium (Na)-max. 0.5 %

30121-AP4-G1000-1 1000 g


30121-CP4-G1000-1 1000 g

POTASSIUM DIHYDROGEN PHOSPHATE Specifications : Ordering information : KH2PO4 CAS:7778-77-0 EINECS:231-913-4 Melting point:253 °C Molecular weight:136.09 Solubility:easily soluble in water Use:pharmaceutical productions Apperance:white crystals


30016-AP0-G0500-1 500 g 30016-AP0-G1000-1 1000 g

pure cat.No. 30016-CP0 Assay-min. 98 % Sulfates (SO4)-max. 0.02 %

30016-CP0-G0500-1 500 g

Ph. Eur. cat.No. 30016-FP0 Heavy metals-max. 10 ug/g pH-4.2 to 4.5 Loss on drying-max. 2.0 % Sulfates-max. 300 ug/g Iron (Fe)-max. 10 ug/g Chlorides (Cl)-max. 200 ug/g Arsenic (As)-max. 2 ug/g Assay (dry substance)-98.0 to 100.5 % Sodium-max. 0.1 % Not of animal origin.-max. 0.1 %

30016-FP0-G1000-11 500 g



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POTASSIUM DICHROMATE Specifications : Ordering information : K2Cr2O7 CAS:7778-50-9 EINECS:230-906-6 Melting point:398 °C Molecular weight:294.19 ADR/RID:6.1 RTECS code:HX7680000 Boiling point:>500 °C Solubility:easily soluble in water Use:analytical reagent, e.g. in volumetric analysis (iodometry), oxidizer, photographic purposes, tanning industry, glass industry (colouring) Apperance:orange-red crystals

G.R. cat.No. 30020-AP0 Assay-min. 99.5 % Insoluble substances in H2O-max. 0.005 % Chlorides (Cl)-max. 0.002 % Sulfates (SO4)-max. 0.01 % Substances coag. by ammonium-max. 0.005 %

30020-AP0-G0500-1 500 g 30020-AP0-G1000-1 1000 g


30020-CP0-G1000-1 1000 g

POTASSIUM DISULFATE Specifications : Ordering information : K2S2O7 CAS:7790-62-7 EINECS:232-216-8 Melting point:325 °C Molecular weight:254.33 ADR/RID:8 RTECS code:TS7200000 Solubility:easily soluble in water Use:melting agent, e.g. for Al and Fe (redox reactions in molten salts), photographic purposes Apperance:white crystals or powder

G.R. cat.No. 30022-AP0 Assay-min. 97.5 % Iron (Fe)-max. 0.0005 % Heavy metals (as Pb)-max. 0.001 % Chlorides (Cl)-max. 0.0005 % Magnesium (Mg)-max. 0.0005 %

30022-AP0-G0500-1 500 g

POTASSIUM DISULFITE Specifications : Ordering information : K2S2O5 CAS:16731-55-8 EINECS:240-795-3 Melting point:190 °C Molecular weight:222.33 RTECS code:TT4920000 Solubility:easily soluble in water Use:analytical reagent, reductant, anti-fermentation agent, preservative Apperance:colourless crystals or white powder

G.R. cat.No. 30023-AP0 Assay-min. 95 % Arsenic (As)-max. 0.0001 % Iron (Fe)-max. 0.0005 % Heavy metals (as Pb)-max. 0.001 % Chlorides (Cl)-max. 0.005 %

30023-AP0-G0500-1 500 g 30023-AP0-G1000-1 1000 g


30023-CP0-G1000-1 1000 g



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CHEMICALS (P)

POTASSIUM FLUORIDE Specifications : Ordering information : KF CAS:7789-23-3 EINECS:232-151-5 Melting point:855 °C Molecular weight:58.10 ADR/RID:6.1 RTECS code:TT0700000 Boiling point:1500 °C Solubility:readily soluble in water, practically insoluble in alcohol Use:analytical reagent, complexing agent, fluorination of organic compounds, etching agent in glass industry Apperance:white crystalline powder, very hygroscopic

G.R. cat.No. 30048-AP0 Assay-min. 99 % Pb-max. 0.005 % Iron (Fe)-max. 0.005 % Chlorides (Cl)-max. 0.005 % Sulfates (SO4)-max. 0.1 %

30048-AP0-G1000-1 1000 g

POTASSIUM HEXACYANOFERRATE(II) TRIHYDRATE Specifications : Ordering information : K4[Fe(CN)6].3H2O CAS:14459-95-1/2 EINECS:237-722-2 Melting point:70 °C Molecular weight:422.41 Solubility:readily soluble in water Use:analytical reagent, e.g. evidence of iron(III) ions, production of blue pigment (Berlin blue) Apperance:yellow crystals

G.R. cat.No. 30054-AP0 Assay-min. 99.5 % Chlorides (Cl)-max. 0.005 % Sulfates (SO4)max. 0.005 %

30054-AP0-G0500-1 500 g 30054-AP0-G1000-1 1000 g

pure cat.No. 30054-CP0 Assay-min. 99 % Chlorides (Cl)-max. 0.05 % Sulfates (SO4)-max. 0.05 %

30054-CP0-G0500-1 500 g

POTASSIUM HYDROGEN CARBONATE Specifications : Ordering information : KHCO3 CAS:298-14-6 EINECS:206-059-0 Melting point:292 °C Molecular weight:100.12 Solubility:readily soluble in water Use:Analytical neutralizing agent, medicine, food industry Apperance:colourless crystals or white powder

G.R. cat.No. 30066-AP0 Assay-min. 99 % Iron (Fe)-max. 0.005 % Lead (Pb)-max. 0.005 % Chlorides (Cl)-max. 0.005 % Sulfates (SO4)-max. 0.01 %

30066-AP0-G0500-1 500 g 30066-AP0-G1000-1 1000 g



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CHEMICALS (P)

POTASSIUM HYDROGEN PHTHALATE Specifications : Ordering information : C8H5KO4 CAS:877-24-7 EINECS:212-889-4 Molecular weight:204.23 Solubility:readily soluble in water Use:analytical standard Apperance:colourless crystals or white powder

G.R. cat.No. 40063-AP0 Assay-min. 99 % Iron (Fe)-max. 0.0005 % Heavy metals (as Pb)-max. 0.001 % Sulfates (SO4)-max. 0.005 % Chlorides (Cl)-max. 0.002 %

40063-AP0-G0500-1 500 g 30063-AP0-G1000-1 1000 g

POTASSIUM HYDROGEN PHTHALATE Specifications : Ordering information : KHSO4 CAS:7646-93-7 EINECS:231-594-1 Melting point:295 - 300 °C Molecular weight:136.17 ADR/RID:8 RTECS code:TS7200000 Solubility:readily soluble in water Use:analytical reagent, decomposition of hardly soluble compounds Apperance:colourless crystals or white powder

G.R. cat.No. 30063-AP0 Assay-min. 99 % Iron (Fe)-max. 0.0005 % Lead (Pb)-max. 0.0005 % Chlorides (Cl)-max. 0.0005 %

30063-AP0-G1000-1 1000 g

pure cat.No. 30063-CP0 Assay-min. 98 % Iron (Fe)-max. 0.005 % Lead (Pb)-max. 0.005 % Chlorides (Cl)-max. 0.005 %

30063-CP0-G1000-1 1000 g

POTASSIUM HYDROGEN TARTRATE Specifications : Ordering information : C4H5KO6 CAS:868-14-4 EINECS:212-769-1 Molecular weight:188.18 RTECS code:WW8223000 Solubility:readily soluble in water Use:analytical reagent, preparation of buffers, food industry Apperance:colourless crystals or white powder

G.R. cat.No. 40065-AP0 Assay-min. 99.0 % Iron (Fe)-max. 0.002 % Chlorides (Cl)-max. 0.002 % Sulfates (SO4)-max. 0.005 % Insoluble subst. in HCl solution-max. 0.005 % Amonium salts (NH4)-max. 0.005 %

40065-AP0-G0500-1 500 g 40065-AP0-G1000-1 1000 g



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CHEMICALS (P)

POTASSIUM HYDROXIDE SCALES Specifications : Ordering information : KOH CAS:1310-58-3 EINECS:215-181-3 Melting point:360 °C Molecular weight:56.11 ADR/RID:8 RTECS code:TT2100000 Boiling point:1320 °C Solubility:readily soluble in water and alcohol Use:analytical reagent, production of accumulator electrolyte, production of other potassium salts, liquid soaps, absorption of CO2, pharmaceutical productions Apperance:white crystalline material of different shapes, hygroscopic

G.R. cat.No. 10003-AP3 Assay-min. 85 % Iron (Fe)-max. 0.0005 % Chlorides (Cl)-max. 0.004 % Sulfates (SO4)-max. 0.002 % Carbonates (CO3)-max. 1 % Total nitrogen (N)-max. 0.0005 % Heavy metals (as Ag)-max. 0.0005 %

10003-AP3-G1000-1 1000 g

pure cat.No. 10003-CP3 Assay-min. 84.5 % Iron (Fe)-max. 0.001 % Total nitrogen (N)-max. 0.001 % Heavy metals (as Ag)-max. 0.001 % K2CO3-max. 1.5 %

10003-CP3-G1000-1 1000 g

chem. pure cat.No. 10003-HP3 Assay-min. 86 % Chlorides (Cl)-max. 0.002 % Sulfates (SO4)-max. 0.0005 % Total nitrogen (N)-max. 0.0005 % Iron (Fe)-max. 0.0005 % Heavy metals (as Ag)-max. 0.0005 % K2CO3-max. 0.6 % SiO2-max. 0.002 %

10003-HP3-G1000-1 1000 g

POTASSIUM CHLORATE Specifications : Ordering information : KCl CAS:7447-40-7 EINECS:231-211-8 Melting point:773 °C Molecular weight:74.56 RTECS code:TS8050000 Boiling point:1413 °C Solubility:readily soluble in water Use:analytical reagent, preparation of buffers, lithium, biochemistry – purification of proteins, isolation of ribosomes, ionization buffer in AAS, photographic purposes, pharmaceutical productions Apperance:colourless crystals or white powder


30068-AP0-G0500-1 500 g 30068-AP0-G1000-1 1000 g



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CHEMICALS (P)

POTASSIUM CHLORIDE Specifications : Ordering information : KCl CAS:7447-40-7 EINECS:231-211-8 Melting point:773 °C Molecular weight:74.56 RTECS code:TS8050000 Boiling point:1413 °C Solubility:readily soluble in water Use:analytical reagent, preparation of buffers, lithium, biochemistry – purification of proteins, isolation of ribosomes, ionization buffer in AAS, photographic purposes, pharmaceutical productions Apperance:colourless crystals or white powder

G.R. cat.No. 30076-AP0 Iron (Fe)-max. 0.0002 % Lead (Pb)-max. 0.0005 % Sulfates (SO4)-max. 0.003 % Assay (ignition subst.)-min. 99.5 % Total nitrogen (N)-max. 0.001 % ztráta žíháním (500-600 °C)-max. 1 %

30076-AP0-G0500-1 500 g 30076-AP0-G1000-1 1000 g

pure cat.No. 30076-CP0 Insoluble substances in H2O-max. 0.02 % Sulfates (SO4)-max. 0.01 % Assay (ignition subst.)-min. 99 % Loss on ignition-max. 1.5 %

30076-CP0-G1000-1 1000 g

Ph. Eur. cat.No. 30076-FP0 Heavy metals-max. 10 ug/g Loss on drying-max. 1.0 % Bromides (Br)-max. 0.1 % Mg and alkaline earth metals-max. 200 ug/g Sodium (Na)-max. 0.1 % Aluminum (Al)-max. 1.0 ug/g Sulfates-max. 300 ug/g Iron (Fe)-max. 20 ug/g Assay (dry substance)-99.0 - 101.0 %

30076-FP0-G1000-12 1000 g 30076-FP0-K0025-12 25 kg

POTASSIUM CHROMATE Specifications : Ordering information : K2CrO4 CAS:7789-00-6 EINECS:232-140-5 Melting point:968 - 985 °C Molecular weight:194.20 ADR/RID:6.1 RTECS code:GB2940000 Boiling point:1000 °C Solubility:readily soluble in water Use:analytical reagent (argentometric indicator), preparation of chromium compounds, fungicides Apperance:yellow crystalline powder

G.R. cat.No. 30108-AP0 Assay-min. 99 % Insoluble substances in H2O-max. 0.005 % Chlorides (Cl)-max. 0.005 % Sulfates (SO4)-max. 0.005 %

30108-AP0-G0250-1 250 g 30108-AP0-G0500-1 500 g 30108-AP0-G1000-1 1000 g


30108-CP0-G0500-1 500 g



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CHEMICALS (P)

POTASSIUM CHROMATE Specifications : Ordering information : KIO3 CAS:7758-05-6 EINECS:231-831-9 Melting point:560 °C Molecular weight:214.00 ADR/RID:5.1 RTECS code:NN1350000 Solubility:soluble in water Use:analytical reagent, oxidizer, chemical industry, food industry (acidity controller, source of iodine) Apperance:colourless crystals or white powder

G.R. cat.No. 30112-AP0 Assay-min. 99.5 % Sulfates (SO4)-max. 0.005 % Iodides (I)-max. 0.001 % Loss on drying (110°C)-max. 0.05 % Cl + ClO3 (as Cl)-max. 0.02 %

30112-AP0-G0100-1 100 g


30112-CP0-G0100-1 100 g

puriss ACS cat.No. 30112-EP0 Assay-99.0 - 101.0 % Arsenic (As)-max. 0.0002 % Lead (Pb)-max. 0.0004 % Iodides (I)-max. 0.002 % pH (5 %, H2O)-5 - 8 Cadmium (Cd)-max. 0.001 % Mercury (Hg)-max. 0.00001 % Loss on drying (105-110°C)-max. 0.5 % Chlorates-max. 0.01 %

30112-EP0-G0100-1 100 g 30112-EP0-G0500-1 500 g

POTASSIUM CHROMATE Specifications : Ordering information : KI CAS:7681-11-0 EINECS:231-659-4 Melting point:560 °C Molecular weight:166.01 RTECS code:TT2975000 Boiling point:1420 °C Solubility:readily soluble in water Use:analytical reagent (iodometry), reduction effects, production of other compounds of iodine, starch-iodide papers, food industry (additive), pharmaceutical productions Apperance:colourless crystals or white powder, tends to become yellow with light and moisture

G.R. cat.No. 30115-AP0 Insoluble substances in H2O-max. 0.005 % Assay (dry subst.)-min. 99.5 % Sulfates (SO4)-max. 0.005 % pH (5 %, H2O)-6 - 9.2 H2O (K.F.)-max. 0.2 % Cl+Br-max. 0.01 %

30115-AP0-G0500-1 500 g 30115-AP0-G1000-1 1000 g

pure cat.No. 30115-CP0 Insoluble substances in H2O-max. 0.01 % Assay (dry subst.)-min. 99 % Sulfates (SO4)-max. 0.02 % H2O (K.F.)-max. 0.5 % Cl+Br-max. 0.02 %

30115-CP0-G0500-1 500 g 30115-CP0-G1000-1 1000 g



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CHEMICALS (P)

POTASSIUM NITRATE Specifications : Ordering information : KNO3 CAS:7757-79-1 EINECS:231-818-8 Melting point:337 °C Molecular weight:101.11 ADR/RID:5.1 RTECS code:TT3700000 Solubility:easily soluble in water Use:analytical reagent, oxidizer, nitration of aromatic compounds, production of potassium nitrite, pharmaceutical productions Apperance:colourless or white crystals


30029-AP0-G0500-1 500 g 30029-AP0-G1000-1 1000 g


30029-CP0-G1000-1 1000 g

POTASSIUM OXALATE MONOHYDRATE Specifications : Ordering information : C2O4K2 . H2O CAS:6487-48-5 EINECS:209-506-8 Molecular weight:184.24 ADR/RID:6.1 Solubility:easily soluble in water Use:analytical reagent, reductant, pharmacy Apperance:colourless crystals or white powder


40142-AP0-G0100-1 100 g

POTASSIUM PERCHLORATE Specifications : Ordering information : KClO4 CAS:7778-74-7 EINECS:231-912-9 Melting point:610 °C Molecular weight:138.55 ADR/RID:5.1 RTECS code:SC9700000 Solubility:hardly soluble in water Use:analytical reagent and oxidizer Apperance:colourless crystals or white powder

G.R. cat.No. 30104-AP0 Assay-min. 99 % Iron (Fe)-max. 0.005 % Lead (Pb)-max. 0.005 % Sulfates (SO4)-max. 0.005 % Cl + ClO3 (as Cl)-max. 0.05 %

30104-AP0-G0500-1 500 g



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CHEMICALS (P)

POTASSIUM PERIODATE Specifications : Ordering information : KIO4 CAS:7790-21-8 EINECS:232-196-0 Melting point:581 - 582 °C Molecular weight:230.00 ADR/RID:5.1 Solubility:soluble in water Use:analytical reagent and oxidizer (e.g. determination of manganese), chemical industry, antiseptic Apperance:colourless crystals or white powder

G.R. cat.No. 30118-AP0 Assay-min. 98.0 % Iron (Fe)-max. 0.005 % Lead (Pb)-max. 0.005 % Insoluble substances in H2O-max. 0.01 % Sulfates (SO4)-max. 0.005 % Cl + ClO3 (as Cl)-max. 0.02 %

30118-AP0-G0100-1 100 g

POTASSIUM PERIODATE Specifications : Ordering information : KMnO4 CAS:7722-64-7 EINECS:231-760-3 Melting point:240 °C Molecular weight:158.04 ADR/RID:5.1 RTECS code:SD6475000 Solubility:easily soluble in boiling water Use:analytical reagent, e.g. in volumetric analysis (manganometry), oxidizer, cleaning of solvents and water purification, pharmaceutical productions, disinfecting agent Apperance:dark violet crystals

pure cat.No. 30123-CP0 Assay-min. 99 % Insoluble substances in H2O-max. 0.2 % Chlorides (Cl)-max. 0.01 % Sulfates (SO4)-max. 0.01 %

30123-CP0-G1000-1 1000 g

Ph. Eur. cat.No. 30123-FP0 Assay-99.0 - 100.5 % Insoluble substances in H2O-max. 1.0 % Chlorides (Cl)-max. 200 ug/g Sulfates (SO4)-max. 500 ug/g Xn.O.N-max. 500 ug/g

30123-FP0-G1000-1 1000 g

POTASSIUM PEROXODISULFATE Specifications : Ordering information : K2S2O8 CAS:7727-21-1 EINECS:231-781-8 Melting point:100 °C Molecular weight: 270.33 ADR/RID:5.1 RTECS code:SE0400000 Solubility:easily soluble in water Use:analytical oxidizer for cerium(III), chromium(III) and manganese(II) ions Apperance:colourless crystals or white powder

G.R. cat.No. 30155-AP0 Assay min. 98 % Iron (Fe) max. 0.001 % Heavy metals (as Pb) max. 0.003 % Chlorides (Cl) max. 0.001 % Manganese (Mn) max. 0.0001 %

30118-AP0-G0100-1 100 g



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CHEMICALS (P)

POTASSIUM SODIUM TARTRATE TETRAHYDRATE Specifications : Ordering information : C4H4KNaO6.4H2O CAS:6100-16-9 EINECS:206-156-8 Melting point:70 - 80 °C Molecular weight:282.23 Solubility:easily soluble in water Use:analytical reagent, preparation of Fehling’s solution for the detection of dextrose, food industry, pharmaceutical productions Apperance:colourless crystals or white powder

G.R. cat.No. 40169-AP0 Assay-min. 99.5 % Insoluble substances in H2O-max. 0.005 % Chlorides (Cl)-max. 0.001 % Sulfates (SO4)-max. 0.008 % pH (5 %, H2O)-7–8.5

40169-AP0-G0500-1 500 g 40169-AP0-G1000-1 1000 g

pure cat.No. 40169-CP0 Assay-min. 99 % Insoluble substances in H2O-max. 0.01 % Chlorides (Cl)-max. 0.002 % Sulfates (SO4)-max. 0.03 % pH (5 %, H2O)-6.0 - 8.5

40169-CP0-G0500-1 500 g 40169-CP0-G1000-1 1000 g

POTASSIUM SULFATE Specifications : Ordering information : K2SO4 CAS:7778-80-5 EINECS:231-915-5 Melting point:1069 °C Molecular weight:174.27 RTECS code:TT5900000 Boiling point:1689 °C Solubility:easily soluble in water Use:analytical reagent, e.g. analyses according to Kjeldahl, food, pharmaceutical and glass industry Apperance:colourless crystals or white powder

G.R. cat.No. 30170-AP0 Insoluble substances in H2O-max. 0.005 % Calcium (Ca)-max. 0.005 % Heavy metals (as Pb)-max. 0.001 % Chlorides (Cl)-max. 0.0005 % Magnesium (Mg)-max. 0.002 %

40169-AP0-G0500-1 500 g 40169-AP0-G1000-1 1000 g

pure cat.No. 30170-CP0 Insoluble substances in H2O-max. 0.025 % Calcium (Ca)-max. 0.025 % Heavy metals (as Pb)-max. 0.01 % Chlorides (Cl)-max. 0.005 % Magnesium (Mg)-max. 0.01 %

30170-CP0-G1000-1 1000 g

POTASSIUM SODIUM TARTRATE TETRAHYDRATE Specifications : Ordering information : KSCN CAS:333-20-0 EINECS:206-370-1 Melting point:175 °C Molecular weight:97.18 RTECS code:XL1925000 Boiling point:500 °C Solubility:easily soluble in water Use:analytical reagent, e.g. for the evidence and determination of iron(III) ions, indirect determination of chlorides, bromides, iodides Apperance:colourless crystals or white powder, hygroscopic

G.R. cat.No. 30203-AP0 Assay-min. 99 % Iron (Fe)-max. 0.0001 % Insoluble substances in H2O-max. 0.005 % Heavy metals (as Pb)-max. 0.0005 % Chlorides (Cl)-max. 0.005 % Sulfates (SO4)-max. 0.005 %

30203-AP0-G0500-1 500 g 30203-AP0-G1000-1 1000 g



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CHEMICALS (P)

P-PHENYLENEDIAMINE Specifications : Ordering information : C6H8N2 CAS:106-50-3 EINECS:203-404-7 Melting point:142 °C Molecular weight:108.14 ADR/RID:6.1 RTECS code: SS8050000 Boiling point:267 °C Solubility:easily soluble in water, very slightly soluble in alcohol and ether Use:analytical reagent, organic syntheses, antioxidant, photographic purposes Apperance:colourless to reddish crystals

G.R. cat.No. 40045-AP0 Assay-min. 99 %

40045-AP0-G0025-1 25 g

PROPAN-1-OL Specifications : Ordering information : C3H8O CAS:71-23-8 EINECS:200-746-9 Density:1l~0,80 kg Flash point:15 °C Melting point:-126 °C Molecular weight:60.10 ADR/RID:3 RTECS code:UH8225000 Boiling point:97 °C Solubility:miscible with water and alcohol Use:solvent for HPLC Apperance:clear, colourless liquid

G.R. cat.No. 20049-AT0 Assay-min. 99.5 % Water (KF)-max. 0.1 % Nonvolative substances-max. 0.001 % Free acids (as C2H5COOH)-max. 0.01 %

20049-AT0-M1000-1 1000 ml 20049-AT0-M5000-1 5000 ml

HPLC cat.No. 20049-LT0 Assay-min. 99.5 % Water (KF)-max. 0.05 % Non-volative subst.-max. 0.0005 % Wavelenght (nm)-Propustnost (min. %) 300nm-99% 250nm-90% Acidity (mEq/g)-max. 0.0005 290nm-98%

20049-LT0-M2500-3 2500 ml



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CHEMICALS (P)

PYRIDINE Specifications : Ordering information : C5H5N CAS:110-86-1 EINECS:203-809-9 Density:1l~0,98 kg Flash point:17 °C Melting point:-41 °C Molecular weight:79.10 ADR/RID:3 RTECS code:UR8400000 Boiling point:115 °C Solubility:miscible with water and alcohol Use:analytical and complexing agent, solvent, acetylation of hydroxyl groups Apperance:colourless or yellowish liquid with characteristic odour

G.R. cat.No. 20050-AT0 Assay-min. 99.5 % Nonvolative substances-max. 0.005 % Substances red. KMnO4-max. 0.005 % H2O (K.F.)-max. 0.1 %

20050-AT0-M1000-1 1000 ml

PYROGALLOL Specifications : Ordering information : C6H6O3 CAS:87-66-1 EINECS:201-762-9 Melting point:130 - 133 °C Molecular weight:126.11 ADR/RID:6.1 RTECS code:UX2800000 Boiling point:309 °C Solubility:easily soluble in water and alcohol Use:analytical reagent for the determination of antimony, bismuth, removal of oxygen from gases, reductant. Apperance:colourless or light yellow crystals, tends to become grey with light and air

G.R. cat.No. 40133-AP0 Assay-min. 98.5 %

40133-AP0-G0050-1 50 ml

PYRUVIC ACID SODIUM SALT Specifications : Ordering information : CH3COCOONa CAS:113-24-6 EINECS:204-024-4 Melting point:220 - 230 °C Molecular weight:110.04 Solubility:easily soluble in water Use:biochemistry, component of agar medium Apperance:colourless crystals or white powder

G.R. cat.No. 40133-AP0 Assay-min. 98,5 %

40133-AP0-G0050-1 50 g


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