Helional (3-(1,3-Benzodioxol-5-yl)-2-methylpropanal) from Mexico
Helional is an aromatic aldehyde-ether used in perfumery for its fresh, floral, watermelon-like scent profile. Falls under HTS 2912.49.26.00 as an aromatic aldehyde with ether oxygen function in its benzodioxole structure. Qualifies as a separate chemically defined compound per Chapter 29 note (a).
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6094.5%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
• Include IFRA compliance certificate as perfumery chemicals face strict safety regulations
• Declare exact purity (>98%) to avoid reclassification as fragrance mixture under Chapter 33