4-(2,4-Dimethylphenylazo)benzoic Acid from Canada
A carboxylic acid azo compound used in liquid crystal dyes and polymer additives. Falls under HTS 2927.00.50.00 with azo function taking precedence over carboxylic acid per Chapter 29 numerical order rule. Supplied as yellow crystalline powder.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Azo precedence confirmed by later numerical order; provide melting point (208°C) verification; acid function requires compatible packaging