di-Sodium hydrogen phosphate dihydrate
SIGALD/04272 - meets analytical specification of Ph. Eur., BP, 98.5-101% (calc. to the dried substance)
Synonym: sec-Sodium phosphate; Disodium hydrogen phosphate dihydrate; Disodium phosphate; Sodium phosphate dibasic dihydrate
CAS Number: 10028-24-7
Empirical Formula (Hill Notation): HNa2O4P · 2H2O
Molecular Weight: 177.99
EC Number: 231-448-7
MDL Number: MFCD00149182
Linear Formula: Na2HPO4 · 2H2O
Product Type: Chemical
| agency | meets analytical specifications of BP |
| meets analytical specifications of Ph. Eur. | |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤100 mg/kg | |
| assay | 98.5-101% (calc. to the dried substance) |
| cation traces | As: ≤2 mg/kg |
| Fe: ≤10 mg/kg | |
| form | crystals |
| impurities | reducing matter, complies |
| residual solvents, complies | |
| ≤0.001% heavy metals (as Pb) | |
| ≤1% NaH2PO4 (calc. to dried subst.) | |
| InChI | 1S/2Na.H3O4P.2H2O/c;;1-5( |
| InChI key | KDQPSPMLNJTZAL-UHFFFAOYSA |
| loss | 19.5-21% loss on drying, 130 °C |
| pH | 9.0-9.4 (20 °C, 1%) |
| quality | meets analytical specification of Ph. Eur., BP |
| Quality Level | 200  |
| SMILES string | O.O.[Na+].[Na+].OP([O-])( |
| suitability | complies for appearance of solution |
| Application: | Sodium phosphate dibasic dihydrate has been used for isolating DNA and RNA from bacterial samples of human gastrointestinal (GI) tract. |
| Biochem/physiol Actions: | Sodium phosphate dibasic dihydrate is an important component of running buffer of denaturing gel electrophoresis. |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98.5-101% (calc. to the dried substance) |
| UNSPSC | 12161700 |