2-Sulfoethanol from China
2-Sulfoethanol (isethionic acid) is a sulfonated ethanol derivative used in surfactant production and as a pharmaceutical intermediate. Classified under HTS 2905.59.90.00 as 'other' sulfonated acyclic alcohol per Chapter 29 note 4, despite potential soap-like applications. The sulfonic acid remains covalently bound.
Duty Rate — China → United States
43%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• pH and acid value testing confirms sulfonic acid vs neutralized salt form
• Corrosive liquid UN 3265 classification requires specific overpack requirements
• Pure compound status verified against Chapter 29 note 1(g) addition prohibitions