Pivalic Acid from Mexico
Pivalic acid (trimethylacetic acid) is a sterically hindered saturated acyclic monocarboxylic acid used in pharmaceuticals, pesticides, and polymer synthesis. Classified in HTS 2915.90.18 as it represents 'other' saturated acyclic monocarboxylic acids outside the straight-chain C1-C8 series.
Duty Rate — Mexico → United States
14.2%
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
• Sublimes at low temperatures—ship refrigerated; include 13C-NMR for structure verification; avoid confusion with acrylic acid (2916) during CBP review