| CAS No. | 15819-50-8 |
| Molecular Formula | O4P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Tri-sodiumphosphatehexahydrate (CAS 15819-50-8) is a high-purity analytical reference standard with the molecular formula O4PNaH2O and a molecular weight of 135.97 g/mol.
Structurally, Tri-sodiumphosphatehexahydrate (O4PNaH2O) contains a phosphate ester group. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 135.97 g/mol, it falls into the low-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | O4P 3*Na 6*H2O |
| Molecular Weight | 135.97 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1961 |