Disodium hydrogen phosphate dihydrate, meets analytical specification of Ph. Eur., USP
Supplier: Thermo Fisher Scientific
Certificates
About this item
Synonyms: sec-Sodium phosphate, Sodium monohydrogen phosphate dihydrate, Sodium hydrogenphosphate dihydrate, di-Sodium hydrogen orthophosphate dihydrate, Sodium phosphate dibasic dihydrate, Disodium phosphate, di-Sodium hydrogen phosphate dihydrate, Sorensen's salt
CAS Number:10028-24-7
:
Formula:Na₂HPO₄·2H₂O
MDL Number:MFCD00149182
:177.99 g/mol
Melting Pt:243…245 °C
Storage Temperature:Ambient
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- 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
Specification Test Results
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