Cumenesulfonic Acid from Mexico
An aromatic anionic surfactant derived from cumene (isopropylbenzene), used in polymerization emulsifiers and hydrotropic cleaners. Falls under HTS 3402.39.10.00 due to its modified aromatic structure and compliance with surface tension reduction standards. Imported as aqueous solution for specialty chemical applications.
Duty Rate — Mexico → United States
14%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Require isomer specification (para vs ortho) for consistent classification
• Test for free phenol content; high levels may trigger different chemical headings
• Bulk imports common; ensure IBC compatibility with acidic solution