Isopropylated Triphenyl Phosphate from Japan
Isopropylated triphenyl phosphate (ITPP) is a commercial flame retardant mixture of aromatic phosphoric esters. Classified under HTS 2919.90.30.00 as 'other' aromatic phosphoric esters when supplied as defined isomers per Chapter 29 note (b).
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Isomer composition certificate essential to qualify under note (b) isomer mixtures
• Specify if single isomer vs mixture; mixtures risk Chapter 38 classification
• Flammability test data helps demonstrate principal use as retardant