Pivalic Acid from Mexico
Pivalic acid (trimethylacetic acid, 2,2-dimethylpropanoic acid) is a sterically hindered saturated acyclic monocarboxylic acid used in paints, coatings, and pharmaceutical synthesis. Classified under HTS 2915.90.50.50 as it represents 'other' derivatives not specifically enumerated in heading 2915.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.2%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Certify CAS number (75-98-9) and molecular formula C5H10O2 on commercial invoice
• Declare flash point and proper shipping name 'Pivalic Acid' per DOT/UN regulations
• Watch for reclassification if containing >1% stabilizers exceeding Chapter 29 note 6(f) limits