4-Bromobenzo[b]thiophene

Also known as: 4-Bromo-1-benzothiophene, 4-Bromobenzothiophene, 4-Bromothianaphthene, 4-Bromothionaphthene, 4-Bromo-1-benzothiophene, 4-Bromothianaphthene, Benzo[b]thiophene, 4-bromo-

4-Bromobenzo[b]thiophene (CAS 5118-13-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5BrS and a molecular weight of 213.094 g/mol. Key properties include a boiling point of 284.7±13.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 126.0±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5118-13-8
Jingsj CID: J-1100225-8
Molecular Formula: C₈H₅BrS
Molecular Weight: 213.094 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	284.7±13.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	126.0±19.8 °C
Exact Mass	211.929520
PSA	28.24000
LogP	5.05
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.704

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. 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 4-Bromobenzo[b]thiophene?

The CAS number of 4-Bromobenzo[b]thiophene is 5118-13-8.

What are the molecular formula and molecular weight of 4-Bromobenzo[b]thiophene?

4-Bromobenzo[b]thiophene has molecular formula C8H5BrS and molecular weight 213.094 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Bromobenzo[b]thiophene (CAS 5118-13-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1100225-8 (accessed 2026-11-09).

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