Optical Brightener CBS-X from Canada
CBS-X (CI Fluorescent Brightener 71) stilbene derivative for cotton whitening in detergents and paper. Synthetic fluorescent brightening agent under HTS 3204.90.00.00. Excellent alkaline stability.
Duty Rate — Canada → United States
15.9%
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
• Alkaline hydrolysis stability data required for detergent end-use claims
• UV absorption/emission spectra (370/430nm) confirm FBA classification