甲基三甲氧基硅烷

Name: 甲基三甲氧基硅烷
Brand: 济南圣和化工有限公司

CAS 1185-55-3C4H12O3SiMW 136.22

本页收录甲基三甲氧基硅烷，CAS 登记号为 1185-55-3，分子式 C4H12O3Si，分子量 136.22，归类于有机化学品。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	1185-55-3
分子式	C4H12O3Si
分子量	136.22
沸点	103.5 °C @760 [mm Hg]
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	有机化学品
类别	有机化学品

应用领域

有机化学品

甲基三甲氧基硅烷主要应用于有机化学品。具体使用工况下的添加量与规格要求，欢迎与技术团队沟通确认。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供应说明：甲基三甲氧基硅烷常规包装为按订单/批次确认(不公开发布)，储存时应密封置于阴凉干燥处，避免与氧化剂混放。济南圣和化工有限公司支持国内物流发货，大货交期与运费以订单确认为准。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除甲基三甲氧基硅烷外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

甲基三甲氧基硅烷的 CAS 号是多少？

甲基三甲氧基硅烷的 CAS 号为 1185-55-3。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

甲基三甲氧基硅烷有什么用途？

主要应用于有机化学品。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

Methyltrimethoxysilane · CAS 1185-55-3 · C4H12O3Si. UNII 0HI0D71MCI. Boiling Point: 103.5 °C @760 [mm Hg]; Density: 0.949 @ 20°C.

Identification

CAS Registry Number	1185-55-3
PubChem CID	14456
Molecular formula	C4H12O3Si
IUPAC name	trimethoxy(methyl)silane
UNII (FDA)	0HI0D71MCI

Computed Descriptors

Molecular Weight	136.22
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	3
Exact Mass	136.05557077
Monoisotopic Mass	136.05557077
Topological Polar Surface Area	27.7
Heavy Atom Count	8
Formal Charge	0
Complexity	54

Physical & Chemical Properties

Boiling Point	103.5 °C @760 [mm Hg]
Density	0.949 @ 20°C

Physical description & handling notes

Liquid; Liquid; Other Solid; CBI
Colorless liquid; [Sigma-Aldrich MSDS]

Regulatory Status

GHS notification summary	1.7% (22 / 1271)

GHS Hazard Classification

GHS notification summary	1.7% (22 / 1271)
Reported hazard statements	H225 (97.6%), H315 (57.2%), H317 (14.8%), H319 (53.7%), H335 (43.4%), H318 (66.7%), H320, H332

This chemical does not meet GHS hazard criteria for 1.7% (22 of 1271) of reports.

H225 (97.6%): Highly Flammable liquid and vapor [Danger Flammable liquids]

Documented Uses

Used in household products for conditioning and waterproofing leather; [REPROTOX]
The uses of Methyltrimethoxysilane (MTMS) include as a coupling agent in thermoplastics and thermosetting resins, a cross-linker in silicone sealants, a water repellent component, and in silicone hard-coats for plastics.
Not Known or Reasonably Ascertainable
Information on 24 consumer products that contain Methyltrimethoxysilane in the following categories is provided:
2023: 5,000,000 - <10,000,000 lb
2022: 5,000,000 - <10,000,000 lb

Synonyms

Methyltrimethoxysilane; 1185-55-3; Trimethoxy(methyl)silane; Trimethoxymethylsilane; Silane, trimethoxymethyl-; DTXSID3027370; Z 6070; 0HI0D71MCI; GLASCA B; NSC-93883; SILQUEST A 1630; DTXCID407370; DOW CORNING 7-5300 FILM-IN-PLACE COATING; DOW CORNING (R) 7-5310 FILM-IN-PLACE BASE; RefChem:818737; 214-685-0

Frequently Asked Questions

What are the CAS number and molecular formula of Methyltrimethoxysilane?

CAS 1185-55-3; molecular formula C4H12O3Si; molecular weight — g/mol.

What other names is Methyltrimethoxysilane known by?

Methyltrimethoxysilane, 1185-55-3, Trimethoxy(methyl)silane, Trimethoxymethylsilane, Silane, trimethoxymethyl-, DTXSID3027370.

Is Methyltrimethoxysilane classified as hazardous?

1.7% of GHS notifications report no hazard classification (22 of 1271).

What are the key physical properties of Methyltrimethoxysilane?

Boiling Point: 103.5 °C @760 [mm Hg]; Density: 0.949 @ 20°C.

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.