Disodium hydrogen phosphate dihydrate, meets analytical specification of Ph. Eur., USP
Supplier: Thermo Scientific Chemicals
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
AC46079-0010
AC46079-0050
TS46079-0010EA
67
USD
TS46079-0010
TS46079-0050
Disodium hydrogen phosphate dihydrate, meets analytical specification of Ph. Eur., USP
Disodium hydrogen phosphate dihydrate
Formula:
Na₂HPO₄·2H₂O MW: 177.99 g/mol Melting Pt: 243…245 °C Storage Temperature: Ambient |
MDL Number:
MFCD00149182 CAS Number: 10028-24-7 |
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 |
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