C.I. Disperse Blue 359 Technical Grade from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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