正十八烷基甲基二乙氧基硅烷，CAS 登记号 67859-75-0，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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n-Octadecylmethyldiethoxysilane · CAS 67859-75-0 · C23H50O2Si. UNII 6MWP7CXD5B.
| CAS Registry Number | 67859-75-0 |
|---|---|
| PubChem CID | 105838 |
| Molecular formula | C23H50O2Si |
| IUPAC name | diethoxy-methyl-octadecylsilane |
| UNII (FDA) | 6MWP7CXD5B |
| Molecular Weight | 386.7 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 21 |
| Exact Mass | 386.35800737 |
| Monoisotopic Mass | 386.35800737 |
| Topological Polar Surface Area | 18.5 |
| Heavy Atom Count | 26 |
| Formal Charge | 0 |
| Complexity | 265 |
| Reported hazard statements | H315 (100%), H319 (100%), H335 (100%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
67859-75-0; Methyloctadecyldiethoxysilane; Diethoxymethyloctadecylsilane; Silane, diethoxymethyloctadecyl-; EINECS 267-423-2; DTXSID40867634; RefChem:586963; DTXCID30815806; 267-423-2; n-Octadecylmethyldiethoxysilane; diethoxy(methyl)(octadecyl)silane; diethoxy-methyl-octadecylsilane; MFCD00026674; C23H50O2Si; 6MWP7CXD5B; methyloctadecyl-diethoxysilane
CAS 67859-75-0; molecular formula C23H50O2Si; molecular weight — g/mol.
67859-75-0, Methyloctadecyldiethoxysilane, Diethoxymethyloctadecylsilane, Silane, diethoxymethyloctadecyl-, EINECS 267-423-2, DTXSID40867634.
Hazard statements reported: H315, H319, H335.
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.