Butyl Methylphosphinate with Stabilizer from Mexico
Stabilized butyl methylphosphinate containing anticaking agent for safe transport, permitted under chapter note 2(f) and classified under HTS 2931.49.0015. Used in manufacturing phosphorus-containing ligands for catalysis.
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
• Document stabilizer as necessary for preservation per chapter note 2(f); avoid dyes that trigger note 2(g) exceptions
• Confirm phosphinate structure via NMR spectra in technical file