2931.49.00.05/O-Ethyl N,N-Dimethyl Phosphoramidocyanidate/Mexico

O-Ethyl N,N-Dimethyl Phosphoramidocyanidate from Mexico

This is a specific non-halogenated organo-phosphorus compound featuring an O-ethyl group (C2 alkyl) and N,N-dimethyl phosphoramidocyanidate structure, classified under HTS 2931.49.00.05 as it matches the exact chemical definition of O-alkyl (≤C10) N,N-dialkyl phosphoramidocyanidates. It falls within Chapter 29 for separate chemically defined organic compounds with phosphorus directly linked to carbon.

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

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Import Tips

• Provide detailed chemical analysis certificates confirming the O-alkyl chain length ≤C10 and specific N,N-dialkyl groups to verify HTS 2931.49.00.05 classification

• Comply with Chemical Weapons Convention (CWC) Schedule 2 requirements; obtain End-Use Certificates for import authorization

• Avoid misclassification as halogenated derivatives (2931.31) by ensuring no halogen atoms are present in the molecular structure