Benzenesulfonamide
Benzenesulfonamide is a chemically defined organic compound featuring a sulfonamide functional group directly attached to a benzene ring. It falls under HTS 2935.90.10.00 as a specific sulfonamide listed in the tariff description for Chapter 29, which covers separate chemically defined organic compounds. Primarily used as an intermediate in pharmaceutical and dye synthesis.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing heterocyclic ring structures
Sulfonamides with heterocyclic components shift to Chapter 29 heterocyclic compounds per numerical order rule.
If imported as chemical mixture with >95% purity
Mixtures not qualifying as separate compounds under Chapter 29 notes fall under prepared chemical preparations.
If for simpler sulfonated aromatic hydrocarbons without amide group
Lack of sulfonamide functional group changes classification to basic sulfonated organics.
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming purity and structure to verify classification under 2935.90.10.00
• Ensure SDS (Safety Data Sheets) comply with HAZMAT regulations as sulfonamides may require special handling
• Avoid misclassification as general sulfonated derivatives by documenting specific chemical identity matching tariff listing
Related Products under HTS 2935.90.10.00
Benzenesulfonyl Hydrazide
Benzenesulfonyl hydrazide is a sulfonamide derivative explicitly named in HTS 2935.90.10.00, consisting of a benzene ring linked to a sulfonyl hydrazide group. Classified here as a specific organic compound of Chapter 29 rather than general organo-sulfur compounds. Widely used as a foaming agent in plastics and rubber production.
Metanilamide
Metanilamide (3-aminobenzenesulfonamide) is a specific sulfonamide isomer listed under HTS 2935.90.10.00 within Chapter 29's sulfonamides provision. This chemically defined compound features meta-positioned amino and sulfonamide groups on benzene. Used in biochemical research and as a sulfanilamide analogue.
2-Amino-N-ethylbenzenesulfonanilide
This complex sulfonamide derivative is explicitly named in HTS 2935.90.10.00, featuring amino, ethyl, and anilino substitutions on benzenesulfonamide core. Classified as a separate chemically defined organic compound per Chapter 29 note (a). Serves as intermediate for dyes and pharmaceuticals.
5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide
A fluorinated disulfonamide specifically listed in HTS 2935.90.10.00, containing trifluoromethyl group and dual sulfonamide functionalities. Qualifies under Chapter 29 as chemically defined sulfonamide per tariff description. Used in agrochemical and pharmaceutical synthesis.
2-Chloro-4-amino-5-hydroxybenzenesulfonamide
Halogenated and hydroxylated sulfonamide explicitly named in HTS 2935.90.10.00, featuring chloro, amino, and hydroxy substitutions. Chapter 29 classification per sulfonamide heading and specific tariff listing. Intermediate for pharmaceutical synthesis.
2,5-Dimethoxysulfanilanilide
Methoxylated sulfonanilide derivative specifically listed under HTS 2935.90.10.00 as a sulfonamide. Chemically defined organic compound with dimethoxy substitutions on sulfanilanilide structure. Used in dye chemistry and polymer additives.