Tri-Isopropanolamine Neutralized LABSA (Acid Form Base) from Mexico
Partially neutralized LABSA using TIPA, retained in acid form for pH-sensitive formulations like metal cleaners. Falls under HTS 3402.31.90.00 as 'other' linear alkylbenzene sulfonic acids. Provides corrosion inhibition alongside surfactant action.
Duty Rate — Mexico → United States
13.7%
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
• Titration analysis must show free acid content >50% to avoid salt subheading 3402.31.10
• Classify by predominant chemical identity; minor neutralization doesn't change base acid heading
• Ensure REACH/SVHC declarations if destined for EU; common error is classifying as soap (3401)