Tetraethyl methylenediphosphonate CAS 1660-94-2
| CAS No. | 1660-94-2 |
| Molecular Formula | C9H22O6P2 |
| Molecular Weight | 288.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H22O6P2, Tetraethyl methylenediphosphonate contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 288.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
Tetraethyl methylenediphosphonate (CAS 1660-94-2) is a high-purity analytical reference standard with the molecular formula C9H22O6P2 and a molecular weight of 288.21 g/mol.
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), Tetraethyl methylenediphosphonate 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.
Physical & Chemical Properties
| Molecular Formula | C9H22O6P2 |
| Molecular Weight | 288.21 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1957 |
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