4-Bromothiophene-2-acetic acid

4-溴噻吩-2-乙酸

Also known as: 2-(4-bromothiophen-2-yl)acetic acid, 2-(4-bromo-2-thienyl)acetic acid, 4-bromo-2-thiopheneacetic acid, 4-bromothiophene-2-acetic acid, (4-bromothien-2-yl)acetic acid, (4-bromothiophen-2-yl)acetic acid, 2-(4-Bromothiophen-2-yl)acetic acid, 4-bromo-2-carboxymethylthiophene

4-Bromothiophene-2-acetic acid (CAS 161942-89-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5BrO2S and a molecular weight of 221.07200 g/mol. It is also known as 2-(4-bromothiophen-2-yl)acetic acid, 2-(4-bromo-2-thienyl)acetic acid and 4-bromo-2-thiopheneacetic acid. Key properties include a melting point of 87-92°C, a boiling point of 331.2ºC at 760 mmHg, a density of 1.804g/cm3 and a flash point of 154.1ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
161942-89-8
Jingsj CID
J-1100214-9
Molecular Formula
C6H5BrO2S
Chinese Name
4-溴噻吩-2-乙酸
Molecular Weight
221.07200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point87-92°C
Boiling Point331.2ºC at 760 mmHg
Density1.804g/cm3
Flash Point154.1ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Bromothiophene-2-acetic acid?

The CAS number of 4-Bromothiophene-2-acetic acid is 161942-89-8.

What are the molecular formula and molecular weight of 4-Bromothiophene-2-acetic acid?

4-Bromothiophene-2-acetic acid has molecular formula C6H5BrO2S and molecular weight 221.07200 g/mol.

Is 4-Bromothiophene-2-acetic acid hazardous?

4-Bromothiophene-2-acetic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-Bromothiophene-2-acetic acid (CAS 161942-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1100214-9 (accessed 2026-10-25).

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