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1,2,5,6-Tetrabromocyclooctane Isomer from Japan

A specific stereoisomer of tetrabromocyclooctane used in high-performance flame retardant applications for electronics. Classified under HTS 2903.89.60.00 due to its exact chemical structure as a halogenated cyclooctane derivative. It offers thermal stability up to 300°C for demanding environments.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Include isomer-specific analytical data (NMR, GC-MS) to confirm classification and avoid reclassification

• Ensure packaging prevents dust formation per UN handling regulations for brominated organics

• Monitor EPA persistence/bioaccumulation data; declare end-use to prevent scrutiny under POPs regulations