Helional (3-(1,3-Benzodioxol-5-yl)-2-methylpropanal) from Japan
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 — Japan → United States
22%
Rate breakdown
9903.04.629.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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