Butyl Methylphosphinate from Mexico
Butyl methylphosphinate is a non-halogenated organo-phosphorus compound featuring a phosphorus atom bonded to a butyl group and a methyl group, classified under HTS 2931.49.0015 as specified. It serves as a key intermediate in synthesizing phosphorus-based flame retardants and agrochemicals.
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 chemical purity via Certificate of Analysis (CoA) to confirm classification under 2931.49.0015; ensure SDS includes phosphinate structure details
• Obtain EPA pre-manufacture notice if used in new chemical formulations