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α-Octithiophene

Also known as: alpha-Octithiophene, 2,2':5',2'':5'',2''':5''',2'''':5'''',2''''':5''''',2'''''':5'''''',2'''''''-octithiophene, octithiophene, octathiophene, a-octathienyl, a-octithiophene, 8T, alpha-8T

α-Octithiophene (CAS 113728-71-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C32H18S8 and a molecular weight of 661.02100 g/mol. Key properties include a melting point of 364ºC, a boiling point of 738.1ºC at 760 mmHg, a density of 1.425g/cm3 and a flash point of 306.9ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
113728-71-5
Jingsj CID
J-1991617-4
Molecular Formula
C32H18S8
Molecular Weight
661.02100 g/mol
Category
Pharma Intermediates
Last updated
11/2/2026

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Physicochemical Properties

Melting Point364ºC
Boiling Point738.1ºC at 760 mmHg
Density1.425g/cm3
Flash Point306.9ºC
Exact Mass659.93300
PSA222.98000
LogP13.67120
Vapor Pressure8.88E-21mmHg at 25°C
Refractive Index1.735

Frequently Asked Questions

What is the CAS number of α-Octithiophene?

The CAS number of α-Octithiophene is 113728-71-5.

What are the molecular formula and molecular weight of α-Octithiophene?

α-Octithiophene has molecular formula C32H18S8 and molecular weight 661.02100 g/mol.

What are the upstream and downstream products of α-Octithiophene?

For α-Octithiophene, Upstream Products: alpha-Quaterthiophene, 2,2'-Bithiophene, 5-Bromo-2,2'-bithiophene.

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

Last updated:

How to cite: Jingsj. "α-Octithiophene (CAS 113728-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991617-4 (accessed 2026-11-06).

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