Potassium dihydrogen phosphate 98.0-100.5%, crystallised Ph. Eur.

Supplier: VWR Chemicals

Synonyms: Monopotassiumphosphate, prim.-Potassium phosphate, Monopotassium phosphate, Potassium phosphate monobasic, Monobasic Potassium Phosphate, Potassium dihydrogen orthophosphate

26922.295EA 69.2 GBP
26922.295 26922.364 26922.466
Potassium dihydrogen phosphate 98.0-100.5%, crystallised Ph. Eur.
Potassium dihydrogen phosphate
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
REACH: 01-2119490224-41
Merck Index: 13,07744

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Specification Test Results

Assay (calculated on dried substance) 98.0 - 100.5 %
Appearance Conforms (see CoA/CoS)
Identification A Passes test
Identification B Passes test
Identification C Passes test
Appearance of solution Passes test
pH (5 %) 4.2 - 4.5
Reducing substances Passes test
Cl (Chloride) Max. 200 ppm
SO4 (Sulphate) Max. 300 ppm
As (Arsenic) Max. 2 ppm
Fe (Iron) Max. 10 ppm
Heavy metals (as Pb) Max. 10 ppm
Loss on drying (125-130°C) Max. 2.0 %
Residual solvents Passes test

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