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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