FR-3 Flame Retardant (Tris(2,3-dibromopropyl) Phosphate) from Mexico
FR-3 is the commercial grade of tris(2,3-dibromopropyl) phosphate used in flexible polyurethane foam production for furniture and automotive applications. Classified under HTS 2919.10.00.00 due to its exact chemical identity as the named halogenated phosphoric ester. It imparts flame retardancy meeting regulatory standards like California's TB 117.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide commercial grade specifications showing minimum 98% purity as TRIS to qualify for specific subheading
• Include end-use statements for polyurethane foam applications to support classification and avoid chemical mixture tariffs
• Check state-specific flame retardant regulations; some jurisdictions restrict brominated compounds requiring additional permits