Vinyl Acetate Monomer from Mexico
Vinyl acetate monomer (VAM) is the ester of acetic acid and vinyl alcohol, used primarily in the production of polyvinyl acetate for adhesives, paints, and coatings. It falls under HTS 2915.39.90.00 as an 'other' ester of acetic acid, being a saturated acyclic monocarboxylic acid derivative not specifically enumerated elsewhere in the subheading. This classification applies to its chemical structure as a simple acetate ester.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
• Verify purity levels (>99%) via certificate of analysis to avoid reclassification as mixtures; ensure UN-approved packaging for flammable liquids; declare exact CAS number (108-05-4) on entry documents