C2H6O3S
110.13 g/mol
Industrial ChemicalDanger
Ethanesulfonic acid
CAS594-45-6EC209-843-0
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Alkanesulfonic acid for chemical synthesis
Ethanesulfonic acid is an alkanesulfonic acid in which the sulfo group is directly linked to an ethyl chain. It serves as a conjugate acid of ethanesulfonate and is used primarily as a reagent in chemical synthesis.
Reagent for chemical synthesisIntermediate in organic synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Chemical intermediate
Safety Reference
Danger
H290May be corrosive to metals
H302Harmful if swallowed
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Ethanesulfonic acid (CAS 594-45-6) is 2904.10.
HS code (international, 6-digit)
2904.10
EU CN code (8-digit)
2904 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
ethanesulfonic acid
InChIKey
CCIVGXIOQKPBKL-UHFFFAOYSA-N
SMILES
CCS(=O)(=O)O
Synonyms (13)
- 1-ethanesulfonic acid
- 2-ethanesulfonic acid
- Ethane sulfonate
- Ethanesulfonic acid
- Ethanesulfonic acid 70% water
- Ethanesulphonic acid
- Ethylsulfonic Acid
- ethansulfonic acid
- ethansulphonic acid
- ethylsulphonic acid
- methylmethane sulfonic acid
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