FR-3 Flame Retardant (Tris(2,3-dibromopropyl) Phosphate)
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If technical grade with different purity levels
Purity variations may shift classification within halogenated phosphoric esters to other specified subheadings.
If pre-formulated as finishing agents for textiles
When put up for retail textile finishing rather than bulk chemical, classified as finishing agents per Chapter 38.
If sulfur impurities exceed classification thresholds
Chapter notes exclude organo-sulfur compounds; trace sulfur content could trigger reclassification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under HTS 2919.10.00.00
Tris(2,3-dibromopropyl) Phosphate (TRIS)
TRIS is a halogenated phosphoric ester used primarily as a flame retardant additive in polyurethane foams and plastics. It falls under HTS 2919.10.00.00 as it is specifically named tris(2,3-dibromopropyl phosphate), a brominated derivative of phosphoric acid esters. This chemical compound provides fire resistance without significantly altering material properties.
Tris Bromide Flame Retardant Additive
Tris bromide, chemically tris(2,3-dibromopropyl) phosphate, serves as a reactive flame retardant in rigid polyurethane foams and epoxy resins. It precisely matches HTS 2919.10.00.00 as a named halogenated derivative of phosphoric esters. The compound chemically bonds into polymer chains during manufacturing.
TDCPP Tris(1,3-dichloro-2-propyl) Phosphate Equivalent
While TDCPP is dichloro variant, pure tris(2,3-dibromopropyl) phosphate serves similar flame retardant applications in foam production. Classified specifically under HTS 2919.10.00.00 matching the brominated phosphoric ester description. Used where brominated chemistry preferred over chlorinated alternatives.
Polyurethane Foam Flame Retardant TRIS BP
TRIS BP grade tris(2,3-dibromopropyl) phosphate optimized for polyurethane foam manufacturing with balanced reactivity and flame performance. Falls under HTS 2919.10.00.00 as the precisely named halogenated phosphoric ester. Meets ASTM fire testing standards for foam applications.