Isobutyric Acid from China
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 — China → United States
41.7%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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