Trichlorfon Stabilized with Anti-caking Agent from Mexico
Trichlorfon powder with 0.5% silicon dioxide anti-caking agent per Chapter 29 note (f) for preservation during transport. Remains classified as pure trichlorfon HTS 2931.54.00.00 since stabilizer doesn't change chemical identity or create specific use formulation.
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
• Specify stabilizer percentage (<2%) in commercial invoice; stabilizer must be 'necessary for transport' per Chapter notes
• Avoid functional additives that suggest formulation