Tri-Isopropanolamine Neutralized LABSA (Acid Form Base) from China
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 — China → United States
38.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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)