</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

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

Isopropylated Triphenyl Phosphate from Mexico — Import Duty Rate | HTS 2919.90.30.00