Disodium hydrogen phosphate dihydrate, meets analytical specification of Ph. Eur., USP

: Thermo Fisher Scientific

Disodium hydrogen phosphate dihydrate, meets analytical specification of Ph. Eur., USP

: Thermo Fisher Scientific

:10028-24-7

:

:Na₂HPO₄·2H₂O

:MFCD00149182

:177.99 g/mol

:243…245 °C

:Ambient

Appearance:
White to almost white or colorless Powder or crystals
Loss on drying:
19.5 % to 21.0 % (130°C)
Appearance of solution:
(5 % in water) Clear colorless
Identification:
Passes test
Titration with NaOH:
98.0 to 100.5 % (dried substance)
Chloride (Cl):
≤0.04 %
Sulfate (SO4):
≤0.1 %
Arsenic (As):
≤4 ppm
Iron (Fe):
≤40 ppm
Heavy metals (as Pb):
≤20 ppm
Impurity:
≤2.5 % (Monosodium phosphate)
Insoluble matter:
≤0.4 %
Reducing substances:
Passes test
Melting point:
243 - 245 °C

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