Tetrabromophthalic Anhydride from China
Tetrabromophthalic anhydride is a halogenated aromatic polycarboxylic acid anhydride used primarily as a reactive flame retardant intermediate in polymer production. It falls under HTS 2917.39.17.00 as a specifically named derivative of aromatic polycarboxylic acids with bromine substitution. The compound's structure features a phthalic anhydride core with four bromine atoms, meeting Chapter 29 note requirements for halogenated derivatives.
Duty Rate — China → United States
Rate breakdown
Import Tips
• Provide chemical analysis certificates confirming tetrabromophthalic anhydride purity and bromine content to verify classification under 2917.39.17.00
• Include Safety Data Sheets (SDS) detailing flammability, toxicity, and REACH compliance for TSCA registration with US EPA
• Avoid misclassification as mixtures by ensuring shipments contain >98% pure compound without added stabilizers beyond Chapter 29 note (f) allowances