1,1,1,3,5,5,5-七甲基三硅氧烷，CAS 登记号 1873-88-7，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，下游主要用于化工中间体。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。
化工中间体
每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。
本页已列出 1,1,1,3,5,5,5-七甲基三硅氧烷 的 CAS 号：1873-88-7，可与随货 COA 核对。
常见纯度为 按批次COA提供(不公开发布)，包装形式为 按订单/批次确认(不公开发布)，特殊规格可在询价时说明。
主要涉及化工中间体。
来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。
Heptamethyltrisiloxane · CAS 1873-88-7 · C7H22O2Si3. UNII NS00046548.
| CAS Registry Number | 1873-88-7 |
|---|---|
| PubChem CID | 74640 |
| Molecular formula | C7H22O2Si3 |
| IUPAC name | trimethyl-[methyl(trimethylsilyloxy)silyl]oxysilane |
| UNII (FDA) | NS00046548 |
| Molecular Weight | 222.50 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 4 |
| Exact Mass | 222.09275954 |
| Monoisotopic Mass | 222.09275954 |
| Topological Polar Surface Area | 18.5 |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 121 |
trimethyl-[methyl(trimethylsilyloxy)silyl]oxysilane; C7H22O2Si3; 1,1,1,3,5,5,5-heptamethyl trisiloxane; SCHEMBL41518; HMS-991; HMS-992; HMS-993; 1,1,1,3,5,5,5-heptamethyl-trisiloxane; NS00046548; H11921; S02350; 1,1,1,3,5,5,5-Heptamethyltrisiloxane, 97%; F985918; trimethyl-[methyl(trimethylsilyloxy)silyl]oxy-silane; Q27288310; Polymethylhydrosiloxanes, trimethlysiloxy terminated 15-25cSt
CAS 1873-88-7; molecular formula C7H22O2Si3; molecular weight — g/mol.
trimethyl-[methyl(trimethylsilyloxy)silyl]oxysilane, C7H22O2Si3, 1,1,1,3,5,5,5-heptamethyl trisiloxane, SCHEMBL41518, HMS-991, HMS-992.
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.