n-Octadecyltrichlorosilane, 95%

Name: n-Octadecyltrichlorosilane, 95%
Brand: Vaqora Chemicals
SKU: VQ-011133

About n-Octadecyltrichlorosilane, 95%

Vaqora Chemicals supplies n-Octadecyltrichlorosilane, an organosilicon compound registered under CAS number 112-04-9, specified at 95% purity. Its molecular formula is C18H37Cl3Si and its molecular weight is 387.9 g/mol. The IUPAC name is trichloro(octadecyl)silane. Common synonyms include OTS and Trichlorooctadecylsilane.

The material typically appears as a colourless to light yellow to yellow liquid. Literature values give a density of 0.984 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include paints, coatings and inks and electronics and thin films. It is used across pharmaceutical manufacturing, academic and industrial research and paints and coatings.

Vaqora Chemicals supplies n-Octadecyltrichlorosilane in 5 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Paints, coatings & inks
Electronics & thin films

Industries

Specifications & identifiers

Chemical identifiers
Product name	n-Octadecyltrichlorosilane, 95%
Catalogue No.	VQ-011133
CAS Number	112-04-9
IUPAC name	trichloro(octadecyl)silane
Molecular formula	C₁₈H₃₇Cl₃Si
Molecular weight	387.9 g/mol
Exact mass	386.173
Purity / assay	95%
HSN code	29319000
InChIKey	PYJJCSYBSYXGQQ-UHFFFAOYSA-N
SMILES	CCCCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl
PubChem CID	8157

Physical properties
Physical form	Liquid
Appearance	Colourless to light yellow to yellow liquid
Density	0.984 g/mL at 25 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	OTS, Trichlorooctadecylsilane, Stearyltrichlorosilane, Silane, trichlorooctadecyl-, octadecyl trichlorosilane, n-OTS, Trichlorostearylsilane, Silane, octadecyltrichloro-, Trichloro octadecyl silane, Trichloroctadecylsilane, n-Octadecyltrichlorosilane (>90%), Trichlorooctadecylsilane (>99.0%)

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P319, P321, P363, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of n-Octadecyltrichlorosilane, 95%?

The CAS Registry Number of n-Octadecyltrichlorosilane, 95% is 112-04-9. It is also known as OTS, Trichlorooctadecylsilane, Stearyltrichlorosilane.

What is the molecular formula and molecular weight of n-Octadecyltrichlorosilane, 95%?

n-Octadecyltrichlorosilane, 95% has the molecular formula C18H37Cl3Si and a molecular weight of 387.9 g/mol. Its IUPAC name is trichloro(octadecyl)silane.

Which grade and pack sizes of n-Octadecyltrichlorosilane, 95% can I order?

We supply n-Octadecyltrichlorosilane, 95% in (95%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with n-Octadecyltrichlorosilane, 95%?

Yes. Every lot of n-Octadecyltrichlorosilane, 95% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can n-Octadecyltrichlorosilane, 95% be shipped internationally?

Yes. n-Octadecyltrichlorosilane, 95% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.