三乙氧基硅烷

Name: 三乙氧基硅烷
Brand: 济南圣和化工有限公司

CAS 998-30-1C6H16O3SiMW 164.27

三乙氧基硅烷，CAS 登记号 998-30-1，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。

规格参数

CAS号998-30-1

分子式C6H16O3Si

分子量164.27

熔点-170 °C

沸点270 to 275 °F at 760 mmHg (EPA, 1998)

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

用途与场景

有机化学品

包装与供货

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

供货周期现货/按订单安排

文件与支持

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常见问题

在哪里能查到三乙氧基硅烷的 CAS 号？

本页已列出三乙氧基硅烷的 CAS 号：998-30-1，可与随货 COA 核对。

可以提供哪些规格和包装？

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。

三乙氧基硅烷一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

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PubChem 公开数据

Description

Triethoxysilane · CAS 998-30-1 · C6H16O3Si. UNII 8T460WDH89. Boiling Point: 270 to 275 °F at 760 mmHg (EPA, 1998); Boiling Point: 133.5 °C; Boiling Point: 133.5 °C @760 [mm Hg].

Identification

CAS Registry Number	998-30-1
PubChem CID	13830
Molecular formula	C6H16O3Si
IUPAC name	triethoxysilane
UNII (FDA)	8T460WDH89

Computed Descriptors

Molecular Weight	164.27
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	6
Exact Mass	164.08687090
Monoisotopic Mass	164.08687090
Topological Polar Surface Area	27.7
Heavy Atom Count	10
Formal Charge	0
Complexity	55.7

Physical & Chemical Properties

Boiling Point	270 to 275 °F at 760 mmHg (EPA, 1998)
Boiling Point	133.5 °C
Boiling Point	133.5 °C @760 [mm Hg]
Melting Point	-170 °C
Flash Point	26 °C
Flash Point	80 °F (26 °C) (Closed cup)
Flash Point	26 °C c.c.
Density	0.8745 at 20 °C
Density	0.87 g/cm³
Density	0.8745 @ 20°C

Physical description & handling notes

Triethoxysilane is a liquid. Used as a reducing agent.
Liquid
Colorless to yellow liquid with a sweetish odor; [AIHA]
COLOURLESS LIQUID.
0.8745 at 68 °F (EPA, 1998) - Less dense than water; will float
Relative vapor density (Air = 1): 5.7

Regulatory Status

GHS notification summary	6.9% (8 / 116)

GHS Hazard Classification

GHS notification summary	6.9% (8 / 116)
Reported hazard statements	H226 (86.2%), H252 (19%), H260 (19%), H302 (34.5%), H314 (58.6%), H315 (34.5%), H318 (36.2%), H330 (93.1%)

This chemical does not meet GHS hazard criteria for 6.9% (8 of 116) of reports.

H226 (86.2%): Flammable liquid and vapor [Warning Flammable liquids]

Documented Uses

Used to make organic coupling agents and low-temperature-vulcanizing (LTV) silicone rubbers and elastomers; [HSDB]
Is of commercial importance in the silane and silicone industry for the production of organofunctional coupling agents, low-temperature-vulcanizing (LTV) silicone rubbers and elastomers, and specialty monomers.
... Used to prepare a number of organic coupling agents utilized by the plastics industry as adhesion promoters.
Reaction of silicon with ethanol ... produces triethoxysilane ... with cuprous chloride as the catalyst ... .
Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#5876]
Production volume for non-confidential chemicals reported under the 2006 Inventory Update Rule. Chemical: Silane, triethoxy-. Aggreated National Production Volume: <500,000 lbs.

Synonyms

RefChem:899464; DTXCID7031240; 213-650-7; 8T460WDH89; 998-30-1; DTXSID6052667; NSC-124134; Silane, triethoxy-; SIT 8185; Triethoxysilane; hydridotriethoxysilane; HSi(OEt)3; Si(OEt)3H; Triethoxisilane; triethoxy silane; triethoxy-silane

Frequently Asked Questions

What are the CAS number and molecular formula of Triethoxysilane?

CAS 998-30-1; molecular formula C6H16O3Si; molecular weight — g/mol.

What other names is Triethoxysilane known by?

RefChem:899464, DTXCID7031240, 213-650-7, 8T460WDH89, 998-30-1, DTXSID6052667.

Is Triethoxysilane classified as hazardous?

6.9% of GHS notifications report no hazard classification (8 of 116).

What are the key physical properties of Triethoxysilane?

Boiling Point: 270 to 275 °F at 760 mmHg (EPA, 1998); Boiling Point: 133.5 °C; Boiling Point: 133.5 °C @760 [mm Hg]; Melting Point: -170 °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.

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