2-Hydroxyethanesulfonic acid

Also known as: Isethionic acid, 2-Hydroxyethane-1-sulfonic acid, 2-Hydroxyethyl sulfonic acid, Hydroxyethanesulfonic acid, 2-Hydroxyethanesulphonic acid, Ethanesulfonic acid, 2-hydroxy-, 2-Hydroxyethanesulfonate

2-Hydroxyethanesulfonic acid (CAS 107-36-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H6O4S and a molecular weight of 126.132 g/mol. Key properties include a melting point of 191-194ºC, a boiling point of 100ºC and a density of 1.6±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 107-36-8
Jingsj CID: J-26869-9
Molecular Formula: C₂H₆O₄S
Molecular Weight: 126.132 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	191-194ºC
Boiling Point	100ºC
Density	1.6±0.1 g/cm3
Exact Mass	125.998680
PSA	85.81000
LogP	-2.52
Refractive Index	1.509

Activity & Biological Data

Target	Human Endogenous Metabolite
Additional Information	[1]. Hellio C, et al. Isethionic acid and floridoside isolated from the red alga, Grateloupia turuturu, inhibit settlement of Balanus amphitrite cyprid larvae. Biofouling. 2004 Jun;20(3):139-45. [2]. Tupker RA, et al. Irritancy ranking of anionic detergents using one-time occlusive, repeated occlusive and repeated open tests. Contact Dermatitis. 1999 Jun;40(6):316-22.

Customs & Trade Information

HS Code	2905590090
Summary	2905590090 other halogenated, sulphonated, nitrated or nitrosated derivatives of acyclic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Hydroxyethanesulfonic acid?

The CAS number of 2-Hydroxyethanesulfonic acid is 107-36-8.

What are the molecular formula and molecular weight of 2-Hydroxyethanesulfonic acid?

2-Hydroxyethanesulfonic acid has molecular formula C2H6O4S and molecular weight 126.132 g/mol.

What are the upstream and downstream products of 2-Hydroxyethanesulfonic acid?

For 2-Hydroxyethanesulfonic acid, Upstream Products: Sodium isethionate, Sodium ethanesulfonate, Ethenesulfonyl chloride; Downstream Products: sulfoacetic acid.

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. "2-Hydroxyethanesulfonic acid (CAS 107-36-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26869-9 (accessed 2026-11-09).

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