Sodium phosphate dibasic dodecahydrate
SIGALD/04273 - meets analytical specification of Ph. Eur., BP, E339, 98.5-102.5% (T)
Synonym: sec-Sodium phosphate; Disodium hydrogen phosphate dodecahydrate; Disodium phosphate; di-Sodium hydrogen phosphate dodecahydrate
CAS Number: 10039-32-4
Empirical Formula (Hill Notation): HNa2O4P · 12H2O
Molecular Weight: 358.14
EC Number: 231-448-7
MDL Number: MFCD00149181
Linear Formula: Na2HPO4 · 12H2O
Product Type: Chemical
| agency | meets analytical specifications of BP |
| meets analytical specifications of Ph. Eur. | |
| anion traces | chloride (Cl-): ≤10 mg/kg |
| fluoride (F-): ≤10 mg/kg | |
| sulfate (SO42-): ≤100 mg/kg | |
| assay | 98.5-102.5% (T) |
| cation traces | As: ≤1 mg/kg |
| Cd: ≤1 mg/kg | |
| Cu: ≤20 mg/kg | |
| Fe: ≤10 mg/kg | |
| Hg: ≤1 mg/kg | |
| K: ≤50 mg/kg | |
| Pb: ≤4 mg/kg | |
| Zn: ≤10 mg/kg | |
| form | crystals |
| impurities | reducing matter, complies |
| residual solvents, complies | |
| ≤0.001% heavy metals (as Pb) | |
| ≤1.0% NaH2PO4 | |
| 57-61% water (Karl Fischer) | |
| InChI | 1S/2Na.H3O4P.12H2O/c;;1-5 |
| InChI key | DGLRDKLJZLEJCY-UHFFFAOYSA |
| loss | 57-61% loss on drying |
| pH | 8.4-9.6 (20 °C, 1%) |
| quality | meets analytical specification of Ph. Eur., BP, E339 |
| Quality Level | 200  |
| SMILES string | O.O.O.O.O.O.O.O.O.O.O.O.[ |
| suitability | complies for appearance of solution |
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