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

Supplier: Thermo Scientific Chemicals

Synonyms: Sodium hydrogenphosphate dihydrateSorensen's saltsec-Sodium phosphatedi-Sodium hydrogen orthophosphate dihydrateDisodium phosphateSodium phosphate dibasic dihydratedi-Sodium hydrogen phosphate dihydrateSodium monohydrogen phosphate dihydrate

AC46079-0010 AC46079-0050
TS46079-0010EA 67 USD
TS46079-0010 TS46079-0050
Disodium hydrogen phosphate dihydrate, meets analytical specification of Ph. Eur., USP
di-Sodium 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

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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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