2-Sulfoethanol from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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