Ammonium sodium phosphate dibasic tetrahydrate
SIGMA/S4172 - BioXtra, ≥99%
Synonym: sec-Sodium ammonium phosphate; Ammonium sodium hydrogen phosphate; Sodium ammonium hydrogen phosphate
CAS Number: 7783-13-3
Empirical Formula (Hill Notation): H5NNaO4P · 4H2O
Molecular Weight: 209.07
MDL Number: MFCD00066970
Linear Formula: NaNH4HPO4 · 4H2O
Product Type: Chemical
| anion traces | chloride (Cl-): ≤0.05% |
| sulfate (SO42-): ≤0.05% | |
| assay | ≥99% |
| cation traces | Al: ≤0.0005% |
| Ca: ≤0.0005% | |
| Cu: ≤0.0005% | |
| Fe: ≤0.0005% | |
| K: ≤0.005% | |
| Mg: ≤0.0005% | |
| Pb: ≤0.001% | |
| Zn: ≤0.0005% | |
| grade | BioPerformance Certified |
| impurities | ≤0.1% Insoluble matter |
| InChI | 1S/H3N.Na.H3O4P.4H2O/c;;1 |
| InChI key | IQTQISLCLWJRPM-UHFFFAOYSA |
| product line | BioXtra |
| Quality Level | 200 ![]() |
| SMILES string | [NH4+].[Na+].OP([O-])([O- |
| solubility | H2O: 1 M, clear, colorless |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 250 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99% |
| UNSPSC | 12352302 |

