Isobutylparaben Technical Grade from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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