Trans-1,4-Di-(2-methylstyryl)benzene Isomer from Mexico
The trans isomer of 1,4-Di-(2-methylstyryl)benzene, a stilbenoid specifically covered by HTS 2902.90.40.00 listing. Used in organic LEDs and photovoltaics as a luminescent material. Pure compound per Chapter 29 definitions.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify isomer purity via chromatogram; cis/trans mixtures may classify differently
• TSCA notification required for new uses
• Package under inert atmosphere to prevent oxidation