Disodium hydrogen phosphate dihydrate Ph. Eur., USP
Supplier: VWR 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
VWRC87010.360EA
171
SGD
VWRC87010.360
VWRC87010.460
VWRC87010.290
Disodium hydrogen phosphate dihydrate Ph. Eur., USP
di-Sodium hydrogen phosphate dihydrate
Appearance: White or almost white, powder or colourless crystals.
Caution: Not for use as Active Pharmaceutical Ingredient (API)
Formula:
Na₂HPO₄·2H₂O MW: 177,99 g/mol Melting Pt: 92,5 °C Density: 2,1 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00149182 CAS Number: 10028-24-7 EINECS: 231-448-7 |
Specification Test Results
Appearance | Conforms (see CoA/CoS) |
Heavy metals (as Pb) | ≤ 20 ppm |
Residual solvents | Unlikely by manuf.process |
Residues of metal catalysts or reagents | Unlikely by manuf.process |
As (Arsenic) | ≤ 2 ppm |
Cd (Cadmium) | ≤ 1 ppm |
Co (Cobalt) | ≤ 1 ppm |
Hg (Mercury) | ≤ 2 ppm |
Ni (Nickel) | ≤ 1 ppm |
Pb (Lead) | ≤ 2 ppm |
V (Vanadium) | ≤ 3 ppm |
Conforms to Ph.Eur./USP | Passes test |
Ph.Eur. specifications: | . |
Assay (dried substance) [Ph.Eur.] | 98.0 - 101.0 % |
Identification A | Passes test USP |
Identification B | Passes test USP |
Identification C | Passes test Ph.Eur. |
Identification D | Passes test Ph.Eur. |
Appearance of solution | Passes test Ph.Eur. |
Reducing substances | Passes test Ph.Eur. |
Monosodium phosphate [Ph.Eur.] | ≤ 2.5 % |
Cl (Chloride) [Ph.Eur.] | ≤ 400 ppm |
SO4 (Sulphate) [Ph.Eur.] | ≤ 0.1 % |
Fe (Iron) [Ph.Eur.] | ≤ 40 ppm |
Loss on drying (130°C) [Ph.Eur.] | 19.5 - 21.0 % |
USP specifications: | . |
Assay (calculated on dried basis) [USP] | 98.0 - 100.5 % |
Insoluble substances [USP] | ≤ 0.4 % |
Cl (Chloride) [USP] | ≤ 0.06 % |
SO4 (Sulphate) [USP] | ≤ 0.2 % |
As (Arsenic) [USP] | ≤ 16 ppm |
Loss on drying (130°C) [USP] | 18.5 - 21.5 % |
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