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Potassium dihydrogen phosphate 99.5-100.5%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent

Supplier: VWR Chemicals
Synonyms: Potassium dihydrogen orthophosphate

Formula: KH₂PO₄
MW: 136,09 g/mol
Boiling Pt: ~100 °C (1013 hPa)
Melting Pt: 253 °C
Density: 2,3 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011401
CAS Number: 7778-77-0
EINECS: 231-913-4
UN: 0000
REACH: 01-2119490224-41
Merck Index: 13,07744
Specification Test Results
Assay (calculated on dried substance) 99.5 - 100.5 %
Appearance of solution S Passes test Ph.Eur.
Identification A Passes test Ph.Eur.
Identification B Passes test Ph.Eur.
Identification C Passes test Ph.Eur.
Reducing substances Passes test Ph.Eur.
Solubility in water Passes test
Solution S Passes test Ph.Eur.
pH (20°C; 5 %) 4.2 - 4.5
Heavy metals (as Pb) Max. 10 ppm
Loss on drying (105°C) Max. 2 %
Total N (Nitrogen) Max. 10 ppm
Water Max. 0.2 %
Cl (Chloride) Max. 5 ppm
SO4 (Sulphate) Max. 30 ppm
As (Arsenic) Max. 0.5 ppm
Ca (Calcium) Max. 100 ppm
Cu (Copper) Max. 3 ppm
Fe (Iron) Max. 10 ppm
Mg (Magnesium) Max. 20 ppm
Na (Sodium) Max. 0.02 %
Pb (Lead) Max. 10 ppm
Conforms to Reag. Ph.Eur. Passes test

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Pack type Pk VWR Catalog Number Quantity
Plastic bottle for solids 500 g 26936.260
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Plastic bottle for solids 2,5 kg 26936.320
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Cardboard carton 25 kg 26936.460
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