N-Salicylideneaniline from Mexico
N-Salicylideneaniline is a photochromic Schiff base imine with salicylaldehyde and aniline, classified under HTS 2925.29.90.00 as an imine derivative. Applications include molecular switches and sensors.
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
• Provide UV-Vis spectra demonstrating characteristic imine absorption at 300-400 nm
• Label as 'research chemical - not for medicinal use' to avoid pharmaceutical classification
• Include flash point and autoignition data for DOT hazardous materials shipping