Sodium 1,2,7-Anthraquinone Disulfonate from Canada
The specific isomer sodium 1,2,7-anthraquinone disulfonate, a sulfonated aromatic quinone under HTS 2914.79.30.00. Used in manufacturing reactive dyes and as a reagent in analytical chemistry for its sulfonic acid groups enhancing solubility.
Duty Rate — Canada → United States
10%
Rate breakdown
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
• Label with exact isomer specification to align with Chapter 29 chemical definition requirements
• Test for stabilizer additives that could invoke note (f) but ensure they don't change general use classification