Benzenesulfinic acid sodium salt is an organosulfur compound that appears as a colorless or white crystalline solid. It is typically stored as its sodium salt and is used as a preservative and antioxidant intermediate in industrial applications.
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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Zinc benzenesulfinate dihydrate
sulfinate reagent for organic synthesis
3-Cyanophenol
industrial chemical intermediate
5-Amino-2,4-di-tert-butylphenol
antioxidant for industrial products
4-methylbenzoyl chloride
organic synthesis intermediate
N-vinylpyrrolidinone
Monomer for polyvinylpyrrolidone production
The international HS code for Benzenesulfinic acid sodium salt (CAS 873-55-2) is 2930.90.
2930.90
2930 90 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
RWDJJOUSDATHMI-UHFFFAOYSA-N
C1=CC=C(C=C1)S(=O)O.[Na]
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