C.I. Disperse Blue 359 Technical Grade from Canada
Technical grade N-[2-[(2,6-Dicyano-4-methylphenylazo]-5-(diethylamino)phenyl]methanesulfonamide containing 98% active dye substance. This specific disperse blue dye is explicitly named in HTS 3204.11.18.00 for synthetic organic coloring matter. Essential for high-temperature dyeing of polyester yarns and fabrics.
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
• Submit HPLC chromatogram verifying the compound matches the tariff description's molecular structure
• Declare exact purity percentage; technical grades below 90% may face different chemical mixture classification
• Include end-use statement specifying textile dyeing application to prevent misclassification as pigment