Potassio diidrogeno fosfato ≥99.0% ACS, Fluka™
Fornitore: Honeywell Chemicals
Synonyms:
Potassio fosfato monobasico
Formula:
KH₂PO₄ Punto di ebollizione: Dec. (in riscaldamento) Punto di fusione: 253 °C Densità: 2,34 g/cm³ (20 °C) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00011401 CAS Number: 7778-77-0 EINECS: 231-913-4 REACH: 01-2119490224-41 Merck Index: 13,07744 |
Risultati del test di specificazione
Assay | Min. 99.0 % |
Loss on drying (105°C, 2 h) | Max. 0.2 % |
pH (5 %, 25 °C) | 4.1 - 4.5 |
Water insoluble matter | Max. 0.01 % |
Iron (Fe) | Max. 0.002 % |
Sodium (Na) | Max. 0.005 % |
Heavy metals (as Pb) | Max. 0.001 % |
Chloride (Cl) | Max. 0.001 % |
Sulfate (SO₄) | Max. 0.003 % |
pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
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