Acid Black 31 Dye from China
Acid Black 31 is a synthetic organic acid dye used primarily for dyeing wool, silk, and nylon fabrics. It falls under HTS 3204.12.17.00 as it is one of the specifically enumerated acid black dyes in this subheading. This water-soluble dye provides deep black shades with good fastness properties on protein and synthetic fibers.
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 exact Colour Index name and concentration through lab analysis to confirm classification under this specific subheading
• Provide supplier's Certificate of Analysis (CoA) showing it's Acid Black 31 to avoid misclassification as a general acid dye
• Ensure packaging labels comply with TSCA requirements for chemical dyes imported into the US