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2-Butylthiophene

Also known as: 2-n-Butylthiophene, 2-Thienylbutane, Thenylpropane, Thiophene, 2-butyl-

2-Butylthiophene (CAS 1455-20-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12S and a molecular weight of 140.246 g/mol. Key properties include a boiling point of 181.0±3.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 43.1±3.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1455-20-5
Jingsj CID
J-4131-6
Molecular Formula
C8H12S
Molecular Weight
140.246 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point181.0±3.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point43.1±3.3 °C
Exact Mass140.065964
PSA28.24000
LogP3.95
Vapor Pressure1.2±0.3 mmHg at 25°C
Refractive Index1.512

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. 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-Butylthiophene?

The CAS number of 2-Butylthiophene is 1455-20-5.

What are the molecular formula and molecular weight of 2-Butylthiophene?

2-Butylthiophene has molecular formula C8H12S and molecular weight 140.246 g/mol.

What are the upstream and downstream products of 2-Butylthiophene?

For 2-Butylthiophene, Upstream Products: 1-Bromobutane, 1-(2-Thienyl)butan-1-one, 1-Iodobutane; Downstream Products: 6,6'-Dimethyl-2,2'-bipyridine, 2,2'-Bithiophene-5,5'-dicarboxaldehyde, 1-Nonanol.

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

Last updated:

How to cite: Jingsj. "2-Butylthiophene (CAS 1455-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4131-6 (accessed 2026-11-09).

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