2,8-Dibromodibenzothiophene

2,8-二溴二苯并噻吩

Also known as: 2,8-Dibromodibenzo[b,d]thiophene, Dibenzothiophene, 2,8-dibromo-, 2,8-Dibromodibenzo[b]thiophene, 2,8-Dibrom-dibenzothiophen, 2,8-Dibromodibenzothiophene, MFCD00092755

2,8-Dibromodibenzothiophene (CAS 31574-87-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H6Br2S and a molecular weight of 342.049 g/mol. It is also known as 2,8-Dibromodibenzo[b,d]thiophene, Dibenzothiophene, 2,8-dibromo- and 2,8-Dibromodibenzo[b]thiophene. Key properties include a melting point of 226°C, a boiling point of 436.5±25.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 217.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31574-87-5
Jingsj CID
J-11707-6
Molecular Formula
C12H6Br2S
Chinese Name
2,8-二溴二苯并噻吩
Molecular Weight
342.049 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point226°C
Boiling Point436.5±25.0 °C at 760 mmHg
Density1.9±0.1 g/cm3
Flash Point217.8±23.2 °C

Frequently Asked Questions

What is the CAS number of 2,8-Dibromodibenzothiophene?

The CAS number of 2,8-Dibromodibenzothiophene is 31574-87-5.

What are the molecular formula and molecular weight of 2,8-Dibromodibenzothiophene?

2,8-Dibromodibenzothiophene has molecular formula C12H6Br2S and molecular weight 342.049 g/mol.

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

Last updated:

How to cite: Jingsj. "2,8-Dibromodibenzothiophene (CAS 31574-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11707-6 (accessed 2026-10-25).

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