Sodium phosphate monobasic
SIAL/71496 - purum p.a., anhydrous, ≥99.0% (T)
Synonym: Monosodium dihydrogen orthophosphate; Monosodium phosphate; Sodium dihydrogen phosphate
CAS Number: 7558-80-7
Empirical Formula (Hill Notation): H2NaO4P
Molecular Weight: 119.98
EC Number: 231-449-2
MDL Number: MFCD00003527
Linear Formula: NaH2PO4
Product Type: Chemical
| anion traces | chloride (Cl-): ≤100 mg/kg |
| sulfate (SO42-): ≤500 mg/kg | |
| application(s) | sample preparation |
| assay | ≥99.0% (T) |
| cation traces | Ca: ≤200 mg/kg |
| Cd: ≤50 mg/kg | |
| Co: ≤50 mg/kg | |
| Cu: ≤50 mg/kg | |
| Fe: ≤50 mg/kg | |
| K: ≤300 mg/kg | |
| Ni: ≤50 mg/kg | |
| Pb: ≤50 mg/kg | |
| Zn: ≤50 mg/kg | |
| form | crystals |
| grade | anhydrous |
| purum p.a. | |
| InChI | 1S/Na.H3O4P/c;1-5(2,3)4/h |
| InChI key | AJPJDKMHJJGVTQ-UHFFFAOYSA |
| pH | 4.0-4.5 (25 °C, 50 mg/mL in H2O) |
| Quality Level | 200  |
| SMILES string | [Na+].OP(O)([O-])=O |
| solubility | water: 0.5 g/10 mL, clear, colorless |
| Application: | Sodium phosphate monobasic has been used: • as an inorganic phosphate source in cell culture media. • in preparation of phosphate buffered saline. • in preparation of phosphate buffer in glucose assay. |
| General description: | Sodium phosphate monobasic is an effective oral osmotic laxative at minimal concentration. It is used for colonic cleansing before endoscopic examination of colon. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (T) |
| UNSPSC | 12161700 |