| CAS No. | 70877-11-1 |
| Molecular Formula | C20H38O5Si2 |
| Molecular Weight | 414.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 1,3 Bis(4-methacryloxybutyl)tetramethyldisiloxane 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.
CATO supplies 1,3 Bis(4-methacryloxybutyl)tetramethyldisiloxane (CAS 70877-11-1), a certified reference material (molecular formula C20H38O5Si2, MW 414.68 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 1,3 Bis(4-methacryloxybutyl)tetramethyldisiloxane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 414.68 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 | C20H38O5Si2 |
| Molecular Weight | 414.68 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1977 |