Vat Blue 4 Dye Powder from China

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 — China → United States

41.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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