Isopropylated Triphenyl Phosphate from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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