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

About this item

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

CAS Number:7778-77-0

Formula:KH₂PO₄

MDL Number:MFCD00011401

Boiling Pt:~100 °C (1013 hPa)

Melting Pt:253

Density:2.3 g/cm³ (20 °C)

Molecular Weight:136.09 g/mol

Merck Index:13,07744

Storage Temperature:Ambient

EINECS:231-913-4

REACH:01-2119490224-41

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Specifications

Environmentally Preferable:

Specifications

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
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. 20 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

Specification Test Results

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