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2-Bromo-1-(2-thienyl)ethanone

Also known as: 2-(2-Bromoacetyl)thiophene, 2-Bromo-1-(thiophen-2-yl)ethanone, 2-bromo-1-(thiophen-2-yl)ethan-1-one, 2-bromo-1-thiophen-2-ylethanone, 2-Bromo-1-(thien-2-yl)ethan-1-one, 2-(Bromoacetyl)thiophene, Ethanone, 2-bromo-1-(2-thienyl)-, MFCD02677721, TIMTEC-BB SBB005904

2-Bromo-1-(2-thienyl)ethanone (CAS 10531-41-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5BrOS and a molecular weight of 205.072 g/mol. Key properties include a melting point of 29-33ºC, a boiling point of 268.5±15.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 116.2±20.4 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
10531-41-6
Jingsj CID
J-1516193-0
Molecular Formula
C6H5BrOS
Molecular Weight
205.072 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point29-33ºC
Boiling Point268.5±15.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point116.2±20.4 °C
Exact Mass203.924438
PSA45.31000
LogP1.78
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.602
Storage ConditionsKeep Cold

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage
  • H317 — May cause an allergic skin reaction

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-Bromo-1-(2-thienyl)ethanone?

The CAS number of 2-Bromo-1-(2-thienyl)ethanone is 10531-41-6.

What are the molecular formula and molecular weight of 2-Bromo-1-(2-thienyl)ethanone?

2-Bromo-1-(2-thienyl)ethanone has molecular formula C6H5BrOS and molecular weight 205.072 g/mol.

Is 2-Bromo-1-(2-thienyl)ethanone hazardous?

2-Bromo-1-(2-thienyl)ethanone has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 2-Bromo-1-(2-thienyl)ethanone?

For 2-Bromo-1-(2-thienyl)ethanone, Upstream Products: 2-Acetylthiophene, Cupric bromide, Ethyl 2-thiophenecarboxylate; Downstream Products: 2-Thiophenecarboxylic acid, 2-Ethynylthiophene, 2-(5-Bromo-2-thienyl)quinoline.

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-Bromo-1-(2-thienyl)ethanone (CAS 10531-41-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516193-0 (accessed 2026-11-09).

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