3-Hydroxy-2-naphtho-o-phenetidide from Canada
3-Hydroxy-2-naphtho-o-phenetidide is an ethoxy analog in the Naphthol AS series, explicitly covered by HTS 2924.29.33.00. Used as a coupler for azo dye manufacturing, particularly for pigments requiring high lightfastness. Its aromatic amide structure places it among carboxyamide-function compounds of Chapter 29.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.60100%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
• Include infrared spectrum or HPLC analysis to verify compound purity and identity
• Label as 'Dye Intermediate - Not for Retail Sale' to avoid consumer product classifications
• Monitor for TSCA inventory listing requirements for new chemical import notifications