1-(3,5-Dibromothiophen-2-yl)ethanone

Also known as: 1-(3,5-Dibromothiophen-2-yl)ethan-1-one, 1-(3,5-dibromo-[2]thienyl)-ethanone, 2-acetyl-3,5-dibromo-thiophene, Ethanone, 1-(3,5-dibromo-2-thienyl)-

1-(3,5-Dibromothiophen-2-yl)ethanone (CAS 80775-52-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4Br2OS and a molecular weight of 283.968 g/mol. Key properties include a boiling point of 334.3±42.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 156.0±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 80775-52-6
Jingsj CID: J-1329247-2
Molecular Formula: C₆H₄Br₂OS
Molecular Weight: 283.968 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	334.3±42.0 °C at 760 mmHg
Density	2.0±0.1 g/cm3
Flash Point	156.0±27.9 °C
Exact Mass	281.834930
PSA	45.31000
LogP	2.76
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.618

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 1-(3,5-Dibromothiophen-2-yl)ethanone?

The CAS number of 1-(3,5-Dibromothiophen-2-yl)ethanone is 80775-52-6.

What are the molecular formula and molecular weight of 1-(3,5-Dibromothiophen-2-yl)ethanone?

1-(3,5-Dibromothiophen-2-yl)ethanone has molecular formula C6H4Br2OS and molecular weight 283.968 g/mol.

What are the upstream and downstream products of 1-(3,5-Dibromothiophen-2-yl)ethanone?

For 1-(3,5-Dibromothiophen-2-yl)ethanone, Upstream Products: 2,4-Dibromothiophene, Acetyl chloride, 2,3,5-Tribromothiophene.

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. "1-(3,5-Dibromothiophen-2-yl)ethanone (CAS 80775-52-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1329247-2 (accessed 2026-11-09).

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