Sodium phosphate monobasic
SIAL/S2554 - meets USP testing specifications, anhydrous
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
| agency | meets USP testing specifications |
| USP/NF | |
| application(s) | pharmaceutical (small molecule) |
| assay | 98.0-103.0% (T) |
| form | powder |
| grade | anhydrous |
| InChI | 1S/Na.H3O4P/c;1-5(2,3)4/h |
| InChI key | AJPJDKMHJJGVTQ-UHFFFAOYSA |
| pH | 4.1-4.5 |
| Quality Level | 300 ![]() |
| SMILES string | [Na+].OP(O)([O-])=O |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98.0-103.0% (T) |
| UNSPSC | 12161700 |

