p-Hydroxyazobenzene from Canada
Phenolic azo compound used in polymer dyes and as UV absorber. Classifies HTS 2927.00.50.00 with azo precedence over phenolic function. Pale yellow solid.
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 function later than phenolic in chapter order; light-sensitive; verify phenolic OH vs tautomeric form