Isobutyric Acid from Japan
Isobutyric acid (2-methylpropanoic acid) is a branched-chain saturated acyclic monocarboxylic acid used in organic synthesis, flavor production, and as an intermediate for resins. Classified under HTS 2915.90.18 as it doesn't match the named straight-chain acids in the heading. Meets Chapter 29 requirements for chemically defined organic compounds with carboxylic acid function.
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
• Label containers with GHS corrosive pictograms and UN 2531 proper shipping name; include GC-MS purity certificates (>99%); avoid misclassification as acrylic acid derivatives which fall under 2916