Tetradecylbenzenesulfonic Acid from Mexico
Tetradecylbenzenesulfonic acid (C14 alkyl chain) from sulfonation of corresponding alkylbenzene. HTS 2904.99.50.00 for higher homologues. Used in heavy-duty cleaners.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• HLB value documentation for emulsifier applications
• Viscosity specifications critical for molten vs aqueous imports
• Bioconcentration factor testing under chemical regulations