2904.20.50.00/4-Nitrostyrene/Mexico

4-Nitrostyrene from Mexico

4-Nitrostyrene (vinyl nitrobenzene) polymer precursor with nitro group on aromatic ring. Classified HTS 2904.20.5000 as nitrated hydrocarbon derivative. Polymerization inhibitor present for stability.

Duty Rate — Mexico → United States

15.5%

Rate breakdown

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

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Import Tips

• MEHQ inhibitor level (10-50ppm) critical for classification

• Refractive index (1.572) verification standard

• Dark storage mandatory—photopolymerizes rapidly