Isobutylparaben Technical Grade from Canada
Isobutylparaben (isobutyl 4-hydroxybenzoate) provides enhanced solubility characteristics compared to normal butylparaben in cosmetic formulations. HTS 2916.31.30.00 classification per additional U.S. note 3 for this benzoic acid ester.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish from n-butylparaben via GC-MS analysis in laboratory certificate
• Declare branched vs linear alkyl chain clearly to avoid misclassification
• Verify importer's quota allocation before vessel loading