O-Methyl n-Propylphosphonofluoridate from Mexico
This derivative has methyl O-alkyl (C1 ≤C10), n-propyl alkyl, and fluoridate group, precisely under HTS 2931.59.0010 as other halogenated organo-phosphorous compounds. It meets Chapter 29's criteria for separate organic compounds without disqualifying mixtures.
Duty Rate — Mexico → United States
13.7%
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
• Provide CAS number and structural formula in commercial invoice; comply with TSCA premanufacture notice if applicable
• Common issue: undervaluation due to bulk lab packaging
• Partner with licensed chemical forwarders