| CAS No. | 67953-76-8 |
| Molecular Formula | C2H4O7P2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Potassium (1-hydroxyethane-1,1-diyl)bis(phosphonate)(x:1) (CAS 67953-76-8), molecular formula C2H4O7P2K and molecular weight 241.09 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a phosphate ester group, a carboxylic acid group, an ether linkage, Potassium (1-hydroxyethane-1,1-diyl)bis(phosphonate)(x:1) is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 241.09 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
As a certified reference material (CRM), Potassium (1-hydroxyethane-1,1-diyl)bis(phosphonate)(x:1) 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 | C2H4O7P2 4*K |
| Molecular Weight | 241.09 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1976 |