C6H6O3S
158.18 g/mol
Industrial ChemicalDanger
BENZENESULFONIC ACID
CAS98-11-3EC202-638-7
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Chemical intermediate and catalyst
Benzenesulfonic acid is a deliquescent crystalline compound that forms needles or large plates. It is primarily used as a chemical intermediate and catalyst in industrial processes such as resin manufacturing and polymerization.
Chemical intermediate in the production of phenol and resorcinolCatalyst for manufacturing alkyd resins, phenol-formaldehyde resins, and polymerization of diolefinsAcid catalyst in the foundry industry for molding and core making
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
ApplicationSame Use
Triethylamine
CAS121-44-8
Chemical intermediate and catalyst
ApplicationSame Use
Diethylzinc
CAS557-20-0
Chemical intermediate and catalyst
ReferenceSame Category
Phenyltrichlorosilane
CAS98-13-5
Monomer for silicone polymers and resins
ReferenceSame Category
3-Chlorobenzotrifluoride
CAS98-15-7
Industrial chemical intermediate
ReferenceSame Category
4-tert-butylcatechol
CAS98-29-3
polymerization inhibitor
ReferenceSame Category
3,4-Dichlorobenzenesulfonyl chloride
CAS98-31-7
Sulfonyl chloride intermediate
Referencestereoisomer of
Sodium benzenesulfonate
CAS515-42-4
Detergent and anionic surfactant
Safety Reference
Danger
H290May be corrosive to metals
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for BENZENESULFONIC ACID (CAS 98-11-3) 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
benzenesulfonic acid
InChIKey
SRSXLGNVWSONIS-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)S(=O)(=O)O
Synonyms (17)
- 17-120A
- BENZENESULFONIC ACID
- Benzenemonosulfonic acid
- Benzenesulphonic acid
- Besylic acid
- Blu-gard snitizing teat dip
- Kyselina benzensulfonova
- Phenylsulfonic acid
- Zidovudine Impurity K
- benezenesulfonate
- benzensulfonic acid
- benzolsulfonsäure
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