Isobutyric Acid from Canada
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 — Canada → United States
4.2%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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