2-Hydroxyethanesulphonic acid

Modify Date: 2025-08-23 08:57:39

2-Hydroxyethanesulphonic acid Structure
2-Hydroxyethanesulphonic acid structure
 Common Name 2-Hydroxyethanesulphonic acid
CAS Number 107-36-8 Molecular Weight 126.132
Density 1.6±0.1 g/cm3 Boiling Point 100ºC
Molecular Formula C2H6O4S Melting Point 191-194ºC
MSDS N/A Flash Point N/A

 Use of 2-Hydroxyethanesulphonic acid


Isethionic acid (2-Hydroxyethanesulfonic acid) is an organosulfur compound. Isethionic acid is widely distributed in animal species and in a few red algal species. Isethionic acid can be used as an anionic detergent and has anti-settlement activity against Balanus amphitrite[1][2].

 Names

Name isethionic acid
Synonym More Synonyms

 2-Hydroxyethanesulphonic acid Biological Activity

Description Isethionic acid (2-Hydroxyethanesulfonic acid) is an organosulfur compound. Isethionic acid is widely distributed in animal species and in a few red algal species. Isethionic acid can be used as an anionic detergent and has anti-settlement activity against Balanus amphitrite[1][2].
Related Catalog
Target

Human Endogenous Metabolite

References

[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.

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 100ºC
Melting Point 191-194ºC
Molecular Formula C2H6O4S
Molecular Weight 126.132
Exact Mass 125.998680
PSA 85.81000
LogP -2.52
Index of Refraction 1.509

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KI7700000
CHEMICAL NAME :
Ethanesulfonic acid, 2-hydroxy-
CAS REGISTRY NUMBER :
107-36-8
BEILSTEIN REFERENCE NO. :
1751214
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C2-H6-O4-S
MOLECULAR WEIGHT :
126.14
WISWESSER LINE NOTATION :
WSQ2Q

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
50 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

 Safety Information

Hazard Codes Xn
Risk Phrases 40
Safety Phrases S26-S36
WGK Germany 3
HS Code 2905590090

 Synthetic Route

 Customs

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%

 Synonyms

2-Hydroxyethanesulfonic acid
WSQ2Q
Hydroxyethanesulfonic acid
EINECS 203-484-3
hydroxy ethane sulfonic acid
isothionicacid
isethionic
2-Hydroxyethane-1-sulfonic acid
Isethionicic Acid
2-hydroxyethylsulfonic acid
Isethionic acid
2-hydroxyethane-sulfonic acid
usafdo-14
kyselinaisethionova
ethanolsulfonicacid
Isethionate
MFCD00242599
2-Hydroxyethanesulphonic acid
(2-Hydroxyethyl)sulfonic acid
Ethanesulfonic acid, 2-hydroxy-
Isethionicic
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