Trimethoxy(octadecyl)silane, 90%
Buy Trimethoxy(octadecyl)silane, 90% (CAS 3069-42-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 5 mL.
About Trimethoxy(octadecyl)silane, 90%
Zemixal supplies Trimethoxy(octadecyl)silane, 90% within its pharma Intermediates & Building Blocks portfolio. For your records (90%), the material is defined by CAS 3069-42-9, formula C21H46O3Si and molar mass 374.7 g/mol. Expect colourless to light yellow liquid.
Common uses in the lab and plant
- Organic synthesis
- API synthesis
Storage and safety notes
Physical constants on file: melting point 16-17 °C and density 0.883 g/mL at 25 °C. Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.
Order it in 5 mL, 25 mL, 500 g and 5 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | Trimethoxy(octadecyl)silane, 90% |
|---|---|
| Catalogue number | ZX-010219 |
| CAS number | 3069-42-9 |
| IUPAC name | trimethoxy(octadecyl)silane |
| Molecular formula | C21H46O3Si |
| Molar mass | 374.7 g/mol |
| Exact mass | 374.3216 |
| Purity / assay | 90% |
| Physical form | Liquid |
| Appearance | Colourless to light yellow liquid |
| Melting point | 16-17 °C |
| Density | 0.883 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 27.7 Ų |
| HS code | 29319090 |
| InChIKey | SLYCYWCVSGPDFR-UHFFFAOYSA-N |
| SMILES | CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC |
| PubChem CID | 76486 |
| Synonyms | Octadecyltrimethoxysilane, n-Octadecyltrimethoxysilane, Trimethoxyoctadecylsilane, Silane, trimethoxyoctadecyl-, LSX-6817, TSL-8185, TSL-8186, KH-311, OTMS-silane, Stearyltrimethoxysilane, Octadecyl-trimethoxysilane, Octadecyltrimethoxysilane (>85%) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 mL | Quoted on request | |
| 25 mL | Quoted on request | |
| 500 g | Quoted on request | |
| 5 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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Related products
More in Organosilicon Compounds & Silanes
- CAS
- 80522-42-5
- Formula
- C10H21F3O3SSi
- MW
- 306.42 g/mol
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