Vat Blue 4 Dye Powder from Japan
Vat Blue 4 is a synthetic organic vat dye used for dyeing cotton and other cellulosic fibers, insoluble in water but soluble in alkaline reduced form. It falls under HTS 3204.15.40.00 as a product described in additional U.S. note 3 to section VI, specifically listed as a regulated vat dye. This classification applies to its use in textile coloring where high color fastness is required.
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
• Verify the dye is explicitly listed in U.S
• Note 3 to Section VI to confirm classification under 3204.15.40.00
• Provide chemical composition certificates and Safety Data Sheets (SDS) for customs clearance
• Avoid misclassification as general pigments (3206) by documenting its vat dyeing process