Mono Dicarbinol Terminated PolyDimethylSiloxanes-asymmetric CAS 218131-11-4
| CAS No. | 218131-11-4 |
| Molecular Formula | C14H34O5Si2 |
| Molecular Weight | 338.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Mono Dicarbinol Terminated PolyDimethylSiloxanes-asymmetric is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Mono Dicarbinol Terminated PolyDimethylSiloxanes-asymmetric (CAS 218131-11-4), a certified reference material (molecular formula C14H34O5Si2, MW 338.59 g/mol) for analytical method development and quality control.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Mono Dicarbinol Terminated PolyDimethylSiloxanes-asymmetric is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 338.59 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.
CATO manufactures Mono Dicarbinol Terminated PolyDimethylSiloxanes-asymmetric under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H34O5Si2 |
| Molecular Weight | 338.59 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 2019 |
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