Potassium dihydrogénophosphate ≥99.0% ACS, Fluka™
:7778-77-0
:
:KH₂PO₄
:MFCD00011401
:136.09 g/mol
:13,07744
: Dec. (on heating)
:253 °C
:2.34 g/cm³ (20 °C)
:Température ambiante
:231-913-4
:01-2119490224-41
- 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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