Potassium dihydrogen phosphate ≥99.5% for HPLC, Fluka™

Supplier: Honeywell Chemicals

60221-250G 60221-50G 60221-1KG
HONC60221-250GEA 1820 SGD
HONC60221-250G HONC60221-50G HONC60221-1KG
Potassium dihydrogen phosphate ≥99.5% for HPLC, Fluka™
Potassium dihydrogen phosphate
Formula: KH₂PO₄
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 99.5 - 101.0 %
pH (10 %, 20°C) 4.1 - 4.5
Absorbance at 210 nm Max. 0.1
Absorbance at 220 nm Max. 0.06
Absorbance at 230 nm Max. 0.04
Absorbance at 300 nm Max. 0.02
Absorbance 500 nm Max. 0.02
Appearance of the solution (c=10%) complying
pKa (25 °C) (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

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