Isobutyric Acid from Japan
Isobutyric acid (2-methylpropanoic acid) is a saturated acyclic monocarboxylic acid used in organic synthesis, flavorings, and as an intermediate for pharmaceuticals. It falls under HTS 2915.90.18.90 as a saturated acyclic monocarboxylic acid not elsewhere specified in heading 2915. This classification follows Chapter 29 notes for separate chemically defined organic compounds.
Duty Rate — Japan → 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
• Provide Safety Data Sheets (SDS) and purity certificates to verify chemical identity and compliance with TSCA regulations
• Ensure proper Hazard Class 8 labeling for corrosive properties during transport
• Avoid misclassification as aromatic acids (2916) by confirming acyclic saturated structure via COA