Potassium dihydrogen phosphate ≥99% ACS for HPLC, Supelco®

Supplier: MilliporeSigma

Synonyms: prim.-Potassium phosphateMonopotassiumphosphatePotassium dihydrogen orthophosphatePotassium phosphate monobasicMonobasic Potassium PhosphateMonopotassium phosphate

PX1562-5 PX1562-5
CAPX1562-5EA 243.97 CAD
CAPX1562-5 EM-PX1562-5
Potassium dihydrogen phosphate ≥99% ACS for HPLC, Supelco®
Potassium dihydrogen phosphate

HPLC Mobile Phase Additive

Formula: KH₂PO₄
MW: 136.09 g/mol
MDL Number: MFCD00011401
CAS Number: 7778-77-0

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Specification Test Results

Assay 99.0% min
Chloride (Cl) 0.001% max
Form White crystals
Heavy metals (as Pb) 0.001% max
Insoluble matter 0.01% max
Iron (Fe) 0.002% max
Loss on drying (105°C) 0.2% max
Sodium (Na) 0.005% max
Sulfate (SO4) 0.003% max
UV Absorbance (1 M, water, 254 nm) 0.04AU max
pH of a 5% solution at 25°C 4.1-4.5

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