Dimethylethoxysilane CAS 18339-94-1
| CAS No. | 18339-94-1 |
| Molecular Formula | C8H18O4Si |
| Molecular Weight | 206.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Dimethylethoxysilane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 206.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Dimethylethoxysilane (CAS 18339-94-1), molecular formula C8H18O4Si and molecular weight 206.31 g/mol, is a CATO reference standard with documented purity and traceability.
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), Dimethylethoxysilane 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 | C8H18O4Si |
| Molecular Weight | 206.31 g/mol |
| Purity | 97%+ |
| 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) | 0.0 |
| CAS Registry Year (est.) | 1962 |
Recommended Standards
- 4-(dimethoxymethyl)-2-(methylsulfanyl)pyrimidine (CAS 180869-36-7)
- 3-((3-(Dimethylamino)propyl)amino)thietane 1,1-dioxide (CAS 1864467-89-9)
- 5-(propan-2-yl)pyridine-2-sulfonamide (CAS 179400-18-1)
- (4-(Bromomethyl)phenyl)triphenylsilane (CAS 18765-69-0)
- 3-Chloro-4-(2-(trifluoromethyl)phenyl)-1H-pyrrole (CAS 88594-17-6)
- Diethyl (4-(1,3-dioxolan-2-yl)phenyl)phosphonate (CAS 85416-98-4)
- 4-Bromo-2,6-diphenylpyrimidine (CAS 40734-24-5)
- Spiro[bicyclo[2.2.1]heptane-2,4'-imidazolidine]-2',5'-dione (CAS 22264-49-9)
- [2,4'-Bipyridine]-4-carboxylic acid (CAS 1214342-58-1)
- (4Z)-4-Deoxy-4-[2-(1,1-dimethylethoxy)-2-oxoethylidene]-2,3-O-(1-methylethylidene)-β-L-erythro-pentopyranoside Methyl Ether (CAS 131149-12-7)
- 1-bromo-4,5-diethoxy-2-nitrobenzene (CAS 73775-84-5)
- 1-Chloro-2-ethynyl-3-(trifluoromethyl)benzene (CAS 1807792-37-5)
- methyl 5-chloro-3-(chlorosulfonyl)-2-fluorobenzoate (CAS 1154155-65-3)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
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