Sodium dihydrogen phosphate dihydrate 98-100.5% (dried basis), meets analytical specification of BP, Ph. Eur., USP, FCC, E339, Fluka™
:13472-35-0
:
:NaH₂PO₄·2H₂O
:MFCD00149209
:156.01 g/mol
:12,08806
: Dec. (on heating)
:60 °C
:2.04 g/cm³ (20 °C)
:Ambient
:231-449-2
:01-2119489796-13
- Assay (calculated to the dried substance):98.0 - 100.5 %
- Assay (calculated on the anhydrous basis):98.0 - 103.0 %
- Loss on drying (130°C):21.5 - 24.0 %
- Water (Karl Fischer):18.0 - 26.5 %
- Water insoluble matter:Max. 0.2 %
- pH (5 %, 25 °C):4.2 - 4.5
- pH (1 %,20°C):4.1 - 5.0
- Arsenic (As):Max. 1 ppm
- Calcium (Ca):Max. 0.002 %
- Cadmium (Cd):Max. 1 ppm
- Copper (Cu):Max. 0.001 %
- Iron (Fe):Max. 5 ppm
- Mercury (Hg):Max. 1 ppm
- Magnesium (Mg):Max. 0.002 %
- Lead (Pb):Max. 1 ppm
- Zinc (Zn):Max. 0.001 %
- Heavy metals (as Pb):Max. 10 ppm
- Al, Ca and Related Substances:complying
- Chloride (Cl):Max. 50 ppm
- Fluoride (F):Max. 10 ppm
- Sulfate (SO₄):Max. 200 ppm
- Reducing impurities:complying
- Appearance of the solution:complying
- Residual solvents:complying
- Appearance:complying
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