Xylene Sulfonic Acid
Xylene sulfonic acid results from sulfonation of xylene isomers, featuring sulfo groups on dimethylbenzene aromatic structure. Classified under HTS 2904.10.37.00 as other aromatic sulfonated derivatives. Serves as intermediate for surfactants and dyestuffs.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If nitrated or halogenated during synthesis
Additional functional groups shift to 'other' nitrated/nitrosated derivatives subheading.
If isomer mixture not qualifying as single compound
Complex isomer blends classify as chemical preparations rather than pure compounds.
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Import Tips & Compliance
• Specify xylene isomer (ortho/para/meta) in technical data sheets for accurate valuation
• Ensure no nitration or halogenation occurred during production process
• Package in corrosion-resistant containers; include UN number for hazmat declaration
Related Products under HTS 2904.10.37.00
Sodium Dodecylbenzene Sulfonate (SDBS)
Sodium dodecylbenzene sulfonate is an anionic surfactant derived from dodecylbenzene with a sulfo group, classified under HTS 2904.10.37.00 as an aromatic sulfonated derivative of hydrocarbons. It is widely used in detergents and emulsifiers due to its excellent foaming and cleaning properties.
Linear Alkylbenzene Sulfonic Acid (LABSA)
LABSA is a synthetic surfactant produced by sulfonation of linear alkylbenzene, featuring only sulfo groups on an aromatic hydrocarbon base. It fits HTS 2904.10.37.00 as an 'other' aromatic sulfonated derivative. Primarily used as an intermediate for manufacturing laundry detergents.
Toluene Sulfonic Acid (TsOH)
P-toluene sulfonic acid is a strong organic acid derived from toluene via sulfonation, containing only sulfo groups on an aromatic ring. Classified in HTS 2904.10.37.00 as an other aromatic sulfonated hydrocarbon derivative. Commonly used as a catalyst in esterification and polymerization reactions.
Benzenesulfonic Acid
Benzenesulfonic acid is the simplest aromatic sulfonic acid obtained by sulfonation of benzene, containing only sulfo groups. It falls under HTS 2904.10.37.00 as an other aromatic sulfonated hydrocarbon derivative. Used in manufacturing detergents, dyes, and pharmaceuticals.
Calcium Dodecylbenzene Sulfonate
Calcium salt of dodecylbenzene sulfonic acid, an overbased detergent additive for lubricants containing only sulfo groups on aromatic hydrocarbon. Fits HTS 2904.10.37.00 per chapter notes on organic salts. Used in engine oils to neutralize acids and prevent deposits.
Ethyl Benzenesulfonate
Ethyl ester of benzenesulfonic acid, explicitly provided for in this subheading as aromatic hydrocarbon sulfo ethyl ester. Classifies under HTS 2904.10.37.00 per heading structure. Used as intermediate in organic synthesis and polymer production.