Sodium phosphate dibasic dodecahydrate
SIGMA/71649 - BioXtra, ≥99.0% (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
| λ | 0.1 M in H2O |
| anion traces | chloride (Cl-): ≤5 mg/kg |
| fluoride (F-): ≤5 mg/kg | |
| sulfate (SO42-): ≤50 mg/kg | |
| application(s) | histology |
| assay | ≥99.0% (T) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.5 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤5 mg/kg | |
| K: ≤50 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | crystals |
| impurities | insoluble matter, passes filter test |
| InChI | 1S/2Na.H3O4P.12H2O/c;;1-5 |
| InChI key | DGLRDKLJZLEJCY-UHFFFAOYSA |
| pH | 8.8-9.4 (25 °C, 0.1 M in H2O) |
| product line | BioXtra |
| Quality Level | 200  |
| SMILES string | O.O.O.O.O.O.O.O.O.O.O.O.[ |
| solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.01 |
| λ: 280 nm Amax: 0.01 |
| Application: | Sodium phosphate dibasic dodecahydrate has been used in external calibration to quantify phytic acid in Great Northern beans (GNB) flour and extrudates. It has also been used in the preparation of phosphate buffer. |
| Other Notes: | For enzymatic and histochemical studies. |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (T) |
| UNSPSC | 12161700 |