trimethoxyoctadecylsilane (CAS No. 3069-42-9) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals；Other Chemical Raw Materials. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.
Organic Chemicals；Other Chemical Raw Materials
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The CAS number of trimethoxyoctadecylsilane is 3069-42-9.
Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.
Main applications include Organic Chemicals；Other Chemical Raw Materials.
Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..
trimethoxyoctadecylsilane · CAS 3069-42-9 · C21H46O3Si. UNII A5R7Q56VX6.
| CAS Registry Number | 3069-42-9 |
|---|---|
| PubChem CID | 76486 |
| Molecular formula | C21H46O3Si |
| IUPAC name | trimethoxy(octadecyl)silane |
| UNII (FDA) | A5R7Q56VX6 |
| Molecular Weight | 374.7 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 20 |
| Exact Mass | 374.32162186 |
| Monoisotopic Mass | 374.32162186 |
| Topological Polar Surface Area | 27.7 |
| Heavy Atom Count | 25 |
| Formal Charge | 0 |
| Complexity | 249 |
| GHS notification summary | 40.5% (30 / 74) |
|---|
| GHS notification summary | 40.5% (30 / 74) |
|---|---|
| Reported hazard statements | H315 (59.5%), H319 (59.5%), H335 (54.1%) |
This chemical does not meet GHS hazard criteria for 40.5% (30 of 74) of reports.
H315 (59.5%): Causes skin irritation [Warning Skin corrosion/irritation]
Octadecyltrimethoxysilane; 3069-42-9; n-Octadecyltrimethoxysilane; Trimethoxyoctadecylsilane; Silane, trimethoxyoctadecyl-; A5R7Q56VX6; DTXSID40883733; LSX-6817; TSL-8185; TSL-8186; KH-311; O-0256; OTMS-silane; RefChem:164046; DTXCID401023229; 221-339-2
CAS 3069-42-9; molecular formula C21H46O3Si; molecular weight — g/mol.
Octadecyltrimethoxysilane, 3069-42-9, n-Octadecyltrimethoxysilane, Trimethoxyoctadecylsilane, Silane, trimethoxyoctadecyl-, A5R7Q56VX6.
40.5% of GHS notifications report no hazard classification (30 of 74).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.
Supplier: Jinan Shenghe Chemical Co., Ltd. · Reply within one business day.