| CAS No. | 10361-03-2 |
| Molecular Formula | O3P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Sodium-m-phosphate monohydrate (O3PNa) contains a phosphonate group. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO supplies Sodium-m-phosphate monohydrate (CAS 10361-03-2), a certified reference material (molecular formula O3PNa, MW 101.96 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Sodium-m-phosphate monohydrate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | O3P Na |
| Molecular Weight | 101.96 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.) | 1959 |