Disodium phosphate monohydrate USP 1KG Go Back


: 118830-14-1

Molecular Formula

: Na2HPO4.H2O

Molecular Weight

: 159.94
Description: White powder that readily absorbs moisture.
Solubility: Freely soluble in water; insoluble in alcohol.
Identification A (By Chemical test): A dense precipitate should form.
Identification B (By Chemical test): A neutral solution should yield yellow precipitate that soluble in 2N nitric acid and 6 N ammonium hydroxide
Assay (on dried basis): 98.0% - 100.5% (Na2HPO4)
Insoluble Substances: NMT 20mg (0.4%)
Chlorides: NMT 0.06%
Sulphate (SO4): NMT 0.2%
Arsenic (As): NMT 16ppm
Loss on drying,130°C: 10.3% - 12.0%
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