3-(Trimethylsilylethynyl)thiophene

3-三甲硅基乙炔基噻吩

Also known as: Trimethyl(3-thienylethynyl)silane, Trimethyl(thiophen-3-ylethynyl)silane, 3-[(Trimethylsilyl)ethynyl]thiophene, 3-[2-(Trimethylsilyl)ethynyl]thiophene, triMethyl(thiophen-3-ylethynyl)silane, trimethyl(2-thiophen-3-ylethynyl)silane, trimethyl-[2-(3-thiophenyl)ethynyl]silane, MFCD04039959, Silane, trimethyl[2-(3-thienyl)ethynyl]-

3-(Trimethylsilylethynyl)thiophene (CAS 130995-13-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12SSi and a molecular weight of 180.342 g/mol. It is also known as Trimethyl(3-thienylethynyl)silane, Trimethyl(thiophen-3-ylethynyl)silane and 3-[(Trimethylsilyl)ethynyl]thiophene. Key properties include a melting point of 36-41ºC(lit.), a boiling point of 203.6±22.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 77.0±22.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
130995-13-0
Jingsj CID
J-1522244-0
Molecular Formula
C9H12SSi
Chinese Name
3-三甲硅基乙炔基噻吩
Molecular Weight
180.342 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point36-41ºC(lit.)
Boiling Point203.6±22.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point77.0±22.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-(Trimethylsilylethynyl)thiophene?

The CAS number of 3-(Trimethylsilylethynyl)thiophene is 130995-13-0.

What are the molecular formula and molecular weight of 3-(Trimethylsilylethynyl)thiophene?

3-(Trimethylsilylethynyl)thiophene has molecular formula C9H12SSi and molecular weight 180.342 g/mol.

Is 3-(Trimethylsilylethynyl)thiophene hazardous?

3-(Trimethylsilylethynyl)thiophene has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-(Trimethylsilylethynyl)thiophene (CAS 130995-13-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522244-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.