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Identify Suppliers 2026 Properties Safty

n-Octadecyldimethylchlorosilane

BGC Id:	860858400162
CAS No:	18643-08-8
Synonyms:	chlorodimethyloctadecylsilane ; octadecylchlorodimethylsilane ; octadecyldimethylchlorosilane ; dimethyloctadecylchlorosilane ; stearyldimethylchlorosilane ; silane odm2 ; cd5636 ; n-octadecyldimethylchlorosilane ; chlorodimethyloctadecyl-silan ; dimethyloctadecylsilylchloride
Molecular Formula:	C20H43ClSi
Molecular Weight:	347.09
EINECS:	242-472-2

2026 - The most valued supplier

The following 2 notable providers have been checked and can be recommended.

Win-Win Chemical

Purity : 0.98 Chemical Formula : C20H43ClSi Molecular Weight (g/mol) : 347.094 Delivery time : 5Day(s) Application : For R&D

Entegris

Product Number : S1615 Category : Silanes

What other providers are available for CAS 18643-08-8?

The last intensive check and update was carried out on 2026/07/23.

Identify

Synonyms:

chlorodimethyloctadecylsilane ; octadecylchlorodimethylsilane ; octadecyldimethylchlorosilane ; dimethyloctadecylchlorosilane ; stearyldimethylchlorosilane ; silane odm2 ; cd5636 ; n-octadecyldimethylchlorosilane ; chlorodimethyloctadecyl-silan ; dimethyloctadecylsilylchloride

CAS:

18643-08-8

EINECS:

242-472-2

Molecular Formula:

C20H43ClSi

MDL:

MFCD00000504

Properties

Molecular Weight:

347.09 g·mol−1

Density:

0.86 g/mL at 20 °C(lit.)

Melting point:

28-31 °C

Boiling point:

145-155 °C0.005 mm Hg(lit.)

Flash point:

>230 ºF

Suppliers

Win-Win Chemical Co., Limited

Company type: Bulk chemical supplier

Established in 2007, Win-Win chemical CO., Ltd was set up by Professor of Zhejiang University, Wenzhou University and Shanghai Science and Technology University which is located in Longwan Industry District, Wenzhou, China. We have high-tech research capability, and advanced production and inspecting equipment. We are especially engaged in customize production of aromatic fluoride compounds, chiral building blocks, and heterocyclic compounds. We can provide our customers with ...

Country: P.R.China Phone: +86-577-64498589 Telefax: +86-577-56994596

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Entegris

Company type: Bulk chemical supplier

Country: USA

Entegris Specialty Chemicals offers a wide variety of products, expertise and capabilities that make us the ideal candidate for partnering with you on your product development projects. We have deep technical expertise and application knowledge around many products including organophosphorus, polymers and polymer catalysts, coatings, organic synthesis and stable isotope chemicals. We have pilot to scale production capabilities. We operate with advanced quality systems and hav ...

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Safety Information

Hazard Symbols: C, F

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

34-67-65-63-48/20-11-10 (R)

Safety Codes:

26-36/37/39-45-62 (S)

WGK Germany:

RID / ADR:

UN 2987 8 / PG 2

What other providers are available for CAS 18643-08-8?

In addition to the providers presented here for n-Octadecyldimethylchlorosilane with the CAS number 18643-08-8, there are other 31 providers with slightly different product names available for this CAS number.

Dimethyloctadecylchlorosilane

Carbone Scientific Co., Ltd. +3 additional providers that we know from the past

(Chloro)dimethyloctadecylsilane

Dimethyloctadecylsilyl chloride

+1 additional providers that we know from the past