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Bis(1-methylpentyl) Methylphosphonate from Mexico

Bis(1-methylpentyl) methylphosphonate is a non-halogenated organo-phosphorus compound featuring phosphorus directly linked to carbon atoms, classified under HTS 2931.49.00.25 as a specific organo-inorganic derivative. It serves as a chemical intermediate in synthesis and has applications in flame retardants and plasticizers.

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 and provide Certificate of Analysis (CoA) to confirm identity as bis(1-methylpentyl) methylphosphonate per HTS specifications

• Include Safety Data Sheet (SDS) detailing non-halogenated nature and phosphorus-carbon bonding to avoid misclassification

• Check REACH or TSCA compliance for phosphorus compounds; improper documentation can lead to CBP holds

Bis(1-methylpentyl) Methylphosphonate from Mexico — Import Duty Rate | HTS 2931.49.00.25