Skip to main content

2-Bromo-1-ethanesulfonic acid

Also known as: 2-Bromoethanesulfonic acid, 2-Bromoethane-1-sulfonic acid, 2-Bromoethanesulphonic acid, Ethanesulfonic acid, 2-bromo-

2-Bromo-1-ethanesulfonic acid (CAS 26978-65-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H5BrO3S and a molecular weight of 189.02800 g/mol. Key properties include a melting point of 42-44ºC, a boiling point of 192-195 C and a density of 2.026g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26978-65-4
Jingsj CID
J-1326333-7
Molecular Formula
C2H5BrO3S
Molecular Weight
189.02800 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point42-44ºC
Boiling Point192-195 C
Density2.026g/cm3
Exact Mass187.91400
PSA62.75000
LogP1.34990

Customs & Trade Information

HS Code2904909090
SummaryHS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Bromo-1-ethanesulfonic acid?

The CAS number of 2-Bromo-1-ethanesulfonic acid is 26978-65-4.

What are the molecular formula and molecular weight of 2-Bromo-1-ethanesulfonic acid?

2-Bromo-1-ethanesulfonic acid has molecular formula C2H5BrO3S and molecular weight 189.02800 g/mol.

What are the upstream and downstream products of 2-Bromo-1-ethanesulfonic acid?

For 2-Bromo-1-ethanesulfonic acid, Upstream Products: Sodium 2-bromoethanesulfonate, 1,2-Dibromoethane, Vinylsulfonic 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. "2-Bromo-1-ethanesulfonic acid (CAS 26978-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1326333-7 (accessed 2026-11-09).

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