5-Hexyl-2,2'-bithiophene

5-己基-2,2'-二噻吩

Also known as: 5-hexyl-2,2'-dithiophene, 5-n-hexyl-2,2'-bithiophene, 2,2'-Bithiophene, 5-hexyl-, 2-hexyl-5-thiophen-2-ylthiophene

5-Hexyl-2,2'-bithiophene (CAS 173448-31-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H18S2 and a molecular weight of 250.423 g/mol. It is also known as 5-hexyl-2,2'-dithiophene, 5-n-hexyl-2,2'-bithiophene and 2,2'-Bithiophene, 5-hexyl-. Key properties include a boiling point of 335.2±27.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 116.1±9.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
173448-31-2
Jingsj CID
J-44938-8
Molecular Formula
C14H18S2
Chinese Name
5-己基-2,2'-二噻吩
Molecular Weight
250.423 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point335.2±27.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point116.1±9.9 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 5-Hexyl-2,2'-bithiophene?

The CAS number of 5-Hexyl-2,2'-bithiophene is 173448-31-2.

What are the molecular formula and molecular weight of 5-Hexyl-2,2'-bithiophene?

5-Hexyl-2,2'-bithiophene has molecular formula C14H18S2 and molecular weight 250.423 g/mol.

Is 5-Hexyl-2,2'-bithiophene hazardous?

5-Hexyl-2,2'-bithiophene 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. "5-Hexyl-2,2'-bithiophene (CAS 173448-31-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44938-8 (accessed 2026-10-22).

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