3-Methylbutyric Acid from Mexico
3-Methylbutyric acid (isovaleric acid) is a branched saturated acyclic C5 monocarboxylic acid with cheesy odor used in flavors. Classifies under HTS 2915.90.50 as other saturated monocarboxylic acids.
Duty Rate — Mexico → United States
13.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Ventilate containers - strong odor may trigger hazmat inspection
• Include refractive index (1.395-1.399) for identity confirmation
• Separate from strong oxidizers per safety data requirements