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Cresyl Diphenyl Phosphate from Mexico

Cresyl diphenyl phosphate is an organophosphate ester employed as a hydraulic fluid base and flame retardant in aviation lubricants. It qualifies for HTS 2919.90.50.50 as a non-specific phosphoric ester and salt under the chapter notes for chemically defined organic compounds. The mixed aryl structure places it in the 'other' category.

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

• Submit technical data sheets showing phosphate ester structure to avoid reclassification as hydrocarbon mixtures

• Comply with DOT hazardous material shipping requirements for flammable liquids

• Verify no neurotoxic impurities exceed 0.1% to prevent pesticide classification