Potassium dihydrogen phosphate ≥99.5% for HPLC, Fluka™

Leverancier: Honeywell Chemicals
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60221-250G 60221-50G 60221-1KG
60221-250GEA 336 EUR
60221-250G 60221-50G 60221-1KG
Potassium dihydrogen phosphate ≥99.5% for HPLC, Fluka™
Potassium dihydrogen phosphate
Formule: KH₂PO₄
Smeltpunt: 253 °C
Dichtheid: 2,34 g/cm³ (20 °C)
Bewaar temperatuur: Kamertemperatuur
MDL Nummer: MFCD00011401
CAS nummer: 7778-77-0
EINECS: 231-913-4
Bereik: 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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