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 |
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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