N-Salicylideneaniline from China
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 — China → United States
28.7%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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