Disodium hydrogen phosphate dodecahydrate 98.5-101% (dried basis), meets analytical specification of BP, Ph. Eur., E339, Fluka™

Supplier: Honeywell Chemicals

Synonyms: sec-Sodium phosphate, Sodium hydrogen phosphate dodecahydrate, Disodium phosphate, Dibasic sodium phosphate dodecahydrate, Sodium phosphate dibasic dodecahydrate, di-Sodium hydrogen phosphate dodecahydrate, Sodium monohydrogen phosphate dodecahydrate, di-Sodium hydrogen orthophosphate dodecahydrate

04273-2.5KG 04273-25KG 04273-1KG 04273-6X1KG
HONC04273-2.5KGEA 500 SGD
HONC04273-2.5KG HONC04273-25KG HONC04273-1KG HONC04273-6X1KG
Disodium hydrogen phosphate dodecahydrate 98.5-101% (dried basis), meets analytical specification of BP, Ph. Eur., E339, Fluka™
di-Sodium hydrogen phosphate dodecahydrate
Formula: Na₂HPO₄·12H₂O
MW: 358,14 g/mol
Melting Pt: 34 °C
Density: 1,52 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149181
CAS Number: 10039-32-4
EINECS: 231-448-7
Merck Index: 13,08733

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Specification Test Results

Assay 98.5 - 102.5 %
Assay (calculated to the dried substance) 98.5 - 101 %
Assay of NaH₂PO₄ (calculated to dried substances) Max. 1.0 %
Water (Karl Fischer) 57.0 - 61.0 %
Loss on drying (130°C) Max. 61.0 %
Water insoluble matter Max. 0.2 %
pH (1 %,20°C) 8.4 - 9.6
Arsenic (As) Max. 1 ppm
Cadmium (Cd) Max. 1 ppm
Copper (Cu) Max. 0.002 %
Iron (Fe) Max. 10 ppm
Mercury (Hg) Max. 1 ppm
Potassium (K) Max. 0.005 %
Lead (Pb) Max. 1 ppm
Zinc (Zn) Max. 0.001 %
Heavy metals (as Pb) Max. 10 ppm
Chloride (Cl) Max. 10 ppm
Fluoride (F) Max. 10 ppm
Sulfate (SO₄) Max. 100 ppm
Appearance of the solution complying
Reducing impurities complying
Residual solvents complying

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