Potassium dihydrogen phosphate Ph. Eur., NF, BP endotoxin tested

Supplier: VWR Chemicals

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

26921.295EA 83.2 EUR
26921.295 26921.364 26921.466
Potassium dihydrogen phosphate Ph. Eur., NF, BP endotoxin tested
Potassium dihydrogen phosphate

Appearance: White or almost white, crystalline powder or colourless crystals.
Residues of metal catalysts or reagents: Conforms to EMEA/CHMP/SWP/4446/2000


Caution: Not for use as Active Pharmaceutical Ingredient (API)

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

Appearance Conforms (see CoA/CoS)
Heavy metals (as Pb) Max. 10 ppm
Bacterial endotoxins Max. 2.5 EU/g
Residual solvents Passes test
Residues of metal catalysts or reagents Unlikely by manuf.process
Cd (Cadmium) Max. 1 ppm
Co (Cobalt) Max. 1 ppm
Hg (Mercury) Max. 3 ppm
Ni (Nickel) Max. 1 ppm
Pb (Lead) Max. 3 ppm
V (Vanadium) Max. 4 ppm
Conforms to Ph.Eur./NF/BP Passes test
Ph.Eur./BP specifications: Max. 10 ppm
Assay (dried substance) [Ph.Eur./BP] 98.0 --> 100.5 %
Identification A Passes test NF
Identification B Passes test NF
Identification C Passes test Ph.Eur./BP
Appearance of solution Passes test Ph.Eur./BP
pH (20°C; 5 %) [Ph.Eur./BP] 4.2 --> 4.5
Reducing substances Passes test Ph.Eur./BP
Cl (Chloride) [Ph.Eur./BP] Max. 200 ppm
SO4 (Sulphate) [Ph.Eur./BP] Max. 300 ppm
As (Arsenic) [Ph.Eur./BP] Max. 2 ppm
Fe (Iron) [Ph.Eur./BP] Max. 10 ppm
Loss on drying (125-130°C) [Ph.Eur./BP] Max. 2.0 %
NF specifications:
Assay (dried basis) [NF] 98.0 --> 100.5 %
As (Arsenic) [NF] Max. 3 μg/g
Pb (Lead) [NF] Max. 5 μg/g
Limit of fluoride [NF] Max. 10 μg/g
Insoluble substances [NF] Max. 0.2 %
Loss on drying (105°C; 4 h) [NF] Max. 1.0 %

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