Potassium dihydrogen phosphate, anhydrous 99,5-100,5, Puriss. p.a. Reag. Ph. Eur., ACS, ISO Buffer_substance, Fluka™

Supplier: Honeywell Chemicals

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

60220-2.5KG 60220-500G 60220-1KG 60220-5KG
60220-2.5KGEA 244 EUR
60220-2.5KG 60220-500G 60220-1KG 60220-5KG
Potassium dihydrogen phosphate, anhydrous 99,5-100,5, Puriss. p.a. Reag. Ph. Eur., ACS, ISO Buffer_substance, Fluka™
Potassium dihydrogen phosphate
Formula: KH₂PO₄
MW: 136.09 g/mol
Boiling Pt: 100
Melting Pt: 253 °C
Density: 2.34 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 (alk., calculated to dried substances) 99.5 - 100.5 %
Assay Min. 99.0 %
Loss on drying (130°C) Max. 0.2 %
Water insoluble matter Max. 0.005 %
pH (5 %, 25 °C) 4.2 - 4.5
Arsenic (As) Max. 0.5 ppm
Calcium (Ca) Max. 0.001 %
Cadmium (Cd) Max. 0.0005 %
Cobalt (Co) Max. 0.0005 %
Chromium (Cr) Max. 0.0015 %
Copper (Cu) Max. 0.0005 %
Iron (Fe) Max. 5 ppm
Magnesium (Mg) Max. 0.0005 %
Manganese (Mn) Max. 0.0005 %
Nickel (Ni) Max. 0.0005 %
Sodium (Na) Max. 50 ppm
Lead (Pb) Max. 0.0005 %
Zinc (Zn) Max. 0.0005 %
Heavy metals (as Pb) Max. 5 ppm
Chloride (Cl) Max. 5 ppm
Sulfate (SO₄) Max. 30 ppm
Total N Max. 0.001 %
KMnO₄ reducing matter (as O) complying
Appearance of the solution complying
Appearance (color) complying
Appearance (form) complying


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