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β-HBCD Isomer (Beta-Hexabromocyclododecane) from Mexico

Beta-1,3,5,7,9,11-hexabromocyclododecane is the gamma-stable isomer classified specifically under HTS 2903.89.40.00 as a halogenated cyclanic hydrocarbon derivative. This chemically pure form meets chapter 29 note (b) for separate isomers. Primarily used in analytical standards and specialized flame retardant formulations.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Submit NMR spectra confirming beta-isomer configuration to avoid misclassification with technical grade

Declare exact purity levels; impurities >2% may require mixture classification under Chapter 38

Monitor EU REACH Annex XVII restrictions; beta-HBCD has specific concentration limits for textile applications