3-(3-Thienyl)benzonitrile

3-(3-噻吩基)苯甲腈

Also known as: 3-Thiophen-3-ylbenzonitrile, 3-thiophen-3-ylbenzonitrile, Benzonitrile, 3-(3-thienyl)-, BM489

3-(3-Thienyl)benzonitrile (CAS 870703-81-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H7NS and a molecular weight of 185.24500 g/mol. It is also known as 3-Thiophen-3-ylbenzonitrile, 3-thiophen-3-ylbenzonitrile and Benzonitrile, 3-(3-thienyl)-. Key properties include a melting point of 48-52ºC(lit.), a boiling point of 297.7ºC at 760 mmHg, a density of 1.23g/cm3 and a flash point of 110ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
870703-81-4
Jingsj CID
J-1502468-6
Molecular Formula
C11H7NS
Chinese Name
3-(3-噻吩基)苯甲腈
Molecular Weight
185.24500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point48-52ºC(lit.)
Boiling Point297.7ºC at 760 mmHg
Density1.23g/cm3
Flash Point110ºC

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-(3-Thienyl)benzonitrile?

The CAS number of 3-(3-Thienyl)benzonitrile is 870703-81-4.

What are the molecular formula and molecular weight of 3-(3-Thienyl)benzonitrile?

3-(3-Thienyl)benzonitrile has molecular formula C11H7NS and molecular weight 185.24500 g/mol.

Is 3-(3-Thienyl)benzonitrile hazardous?

3-(3-Thienyl)benzonitrile has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3-(3-Thienyl)benzonitrile (CAS 870703-81-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1502468-6 (accessed 2026-10-25).

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