| CAS No. | 7664-38-2 |
| Molecular Formula | H3O4P |
| Molecular Weight | 98.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 98.00 g/mol gives Phosphoric Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Phosphoric Acid (CAS 7664-38-2), a certified reference material (molecular formula H3O4P, MW 98.00 g/mol) for analytical method development and quality control.
Phosphoric Acid (H3O4P) contains a phosphate ester group. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Phosphoric Acid 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 | H3O4P |
| Molecular Weight | 98.00 g/mol |
| Purity | >95% |
| 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 |