1-(3-Bromothiophen-2-yl)ethanone
Also known as: 2-Acetyl-3-bromothiophene, 1-(3-bromo-2-thienyl)ethanone, 1-(3-bromo-2-thienyl)-1-ethanone, 1-(3-bromothiophen-2-yl)ethan-1-one, MFCD00794287
1-(3-Bromothiophen-2-yl)ethanone (CAS 42877-08-7) 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 205.07200 g/mol. Key properties include a melting point of 38-41ºC, a boiling point of 283.5ºC at 760mmHg, a density of 1.619g/cm3 and a flash point of 125.3ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42877-08-7
- Jingsj CID
- J-11741-9
- Molecular Formula
- C6H5BrOS
- Molecular Weight
- 205.07200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 38-41ºC |
|---|---|
| Boiling Point | 283.5ºC at 760mmHg |
| Density | 1.619g/cm3 |
| Flash Point | 125.3ºC |
| Exact Mass | 203.92400 |
| PSA | 45.31000 |
| LogP | 2.71320 |
| Refractive Index | 1.6108 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
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-Bromothiophen-2-yl)ethanone?
The CAS number of 1-(3-Bromothiophen-2-yl)ethanone is 42877-08-7.
What are the molecular formula and molecular weight of 1-(3-Bromothiophen-2-yl)ethanone?
1-(3-Bromothiophen-2-yl)ethanone has molecular formula C6H5BrOS and molecular weight 205.07200 g/mol.
Is 1-(3-Bromothiophen-2-yl)ethanone hazardous?
1-(3-Bromothiophen-2-yl)ethanone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1-(3-Bromothiophen-2-yl)ethanone?
For 1-(3-Bromothiophen-2-yl)ethanone, Upstream Products: 3-Bromothiophene, Acetyl chloride, 2-Bromo-3-iodothiophene; Downstream Products: 2-Bromo-1-(3-bromothiophen-2-yl)ethan-1-one, 3-Bromothiophene-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(3-Bromothiophen-2-yl)ethanone (CAS 42877-08-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11741-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.