Pure Ethylenebistetrabromophthalimide Crystals from Mexico
High-purity ethylenebistetrabromophthalimide crystals (99.5%+) are supplied for synthesis of advanced flame retardants and polymer masterbatches. This aromatic imide is specifically enumerated under HTS 2925.19.10.00, fitting chapter note (a) for separate chemically defined compounds. Ideal for applications requiring minimal impurities.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit HPLC purity certificate and molecular formula confirmation (C18H6Br4N2O4); avoid reclassification by proving not a mixture
• Ensure inert atmosphere packaging to prevent degradation
• Monitor for REACH Annex XVII restrictions on brominated compounds