甲基三乙酰氧基硅烷

Name: 甲基三乙酰氧基硅烷
Brand: 济南圣和化工有限公司

CAS 4253-34-3C7H12O6SiMW 220.25

本页收录甲基三乙酰氧基硅烷，CAS 登记号为 4253-34-3，分子式 C7H12O6Si，分子量 220.25，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	4253-34-3
分子式	C7H12O6Si
分子量	220.25
熔点	40.5 °C
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

甲基三乙酰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

供货能力：甲基三乙酰氧基硅烷备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

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。除甲基三乙酰氧基硅烷外，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

甲基三乙酰氧基硅烷的 CAS 号是多少？

甲基三乙酰氧基硅烷的 CAS 号为 4253-34-3。

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。

甲基三乙酰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

Methyltriacetoxysilane · CAS 4253-34-3 · C7H12O6Si. UNII W4FX3GZ7AB. Melting Point: 40.5 °C; Density: 1.175 @ 20°C; Vapor Pressure: 0.2 [mmHg].

Identification

CAS Registry Number	4253-34-3
PubChem CID	77929
Molecular formula	C7H12O6Si
IUPAC name	[diacetyloxy(methyl)silyl] acetate
UNII (FDA)	W4FX3GZ7AB

Computed Descriptors

Molecular Weight	220.25
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	6
Exact Mass	220.04031463
Monoisotopic Mass	220.04031463
Topological Polar Surface Area	78.9
Heavy Atom Count	14
Formal Charge	0
Complexity	220

Physical & Chemical Properties

Melting Point	40.5 °C
Density	1.175 @ 20°C
Vapor Pressure	0.2 [mmHg]

Physical description & handling notes

Liquid; Other Solid; Liquid
Solid; [Alfa Aesar MSDS]

Regulatory Status

GHS notification summary	0.9% (5 / 561)

GHS Hazard Classification

GHS notification summary	0.9% (5 / 561)
Reported hazard statements	H302 (73.6%), H314 (85.2%), H315 (20.7%), H318 (23%), H319 (20.5%), H335 (13.7%), H371

This chemical does not meet GHS hazard criteria for 0.9% (5 of 561) of reports.

H302 (73.6%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

Used as a cross-linker for silicone sealants and adhesives (completely reacts during curing); [OECD SIDS: Methyltriacetoxysilane - 2005]
Working with Glues and Adhesives [Category: Other]
Information on 47 consumer products that contain Methyltriacetoxysilane in the following categories is provided:
2023: 1,000,000 - <5,000,000 lb
2022: 1,000,000 - <5,000,000 lb
2021: 1,000,000 - <5,000,000 lb

Synonyms

Methyltriacetoxysilane; 4253-34-3; Methylsilanetriyl triacetate; Silanetriol, methyl-, triacetate; EINECS 224-221-9; Silanetriol, 1-methyl-, 1,1,1-triacetate; triacetoxy(methylsilane); NSC 139845; DTXSID0027565; BRN 1788668; EC 224-221-9; 4-04-00-04208 (Beilstein Handbook Reference); DTXCID507565; CM8980; Silane, methyltriacetoxy; RefChem:158342

Frequently Asked Questions

What are the CAS number and molecular formula of Methyltriacetoxysilane?

CAS 4253-34-3; molecular formula C7H12O6Si; molecular weight — g/mol.

What other names is Methyltriacetoxysilane known by?

Methyltriacetoxysilane, 4253-34-3, Methylsilanetriyl triacetate, Silanetriol, methyl-, triacetate, EINECS 224-221-9, Silanetriol, 1-methyl-, 1,1,1-triacetate.

Is Methyltriacetoxysilane classified as hazardous?

0.9% of GHS notifications report no hazard classification (5 of 561).

What are the key physical properties of Methyltriacetoxysilane?

Melting Point: 40.5 °C; Density: 1.175 @ 20°C; Vapor Pressure: 0.2 [mmHg].

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.