Nipacide BIT-20 Biocide from Mexico
Nipacide BIT-20 is a 20% dispersion of 1,2-benzisothiazolin-3-one used as an in-can preservative for paints and coatings. Its classification under HTS 2934.99.09.00 reflects the dominance of the aromatic heterocyclic compound per chapter classification rules.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide chromatograms verifying BIT content to distinguish from generic chemical mixtures
• Register product under EPA's antimicrobial pesticide program prior to import
• Use UN-approved packaging for corrosive liquids (UN3265)