2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane

Also known as: Trimethoxy[2-(7-oxabicyclo[4.1.0]heptan-3-yl)ethyl]silane, 3-[2-(Trimethoxysilyl)ethyl]-7-oxabicyclo[4.1.0]heptane, A-186, KBM-303, NUCA 186, CE6250

2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane (CAS 3388-04-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C11H22O4Si and a molecular weight of 246.376 g/mol. Key properties include a melting point of <0ºC, a boiling point of 263.5±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 89.7±20.2 °C. It is classified under GHS with signal word Danger and hazard statements H350 — May cause cancer. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 3388-04-3
Jingsj CID: J-23975-6
Molecular Formula: C₁₁H₂₂O₄Si
Molecular Weight: 246.376 g/mol
Category: Ethers
Last updated: 11/3/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	<0ºC
Boiling Point	263.5±13.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	89.7±20.2 °C
Exact Mass	246.128738
PSA	40.22000
LogP	1.28
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.454

GHS Safety & Compliance

Health HazardSignal word: Danger

H350 — May cause cancer

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane?

The CAS number of 2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane is 3388-04-3.

What are the molecular formula and molecular weight of 2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane?

2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane has molecular formula C11H22O4Si and molecular weight 246.376 g/mol.

Is 2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane hazardous?

2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane has GHS signal word Danger and hazard statements H350 — May cause cancer.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/3/2026

How to cite: Jingsj. "2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane (CAS 3388-04-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23975-6 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.