Congo Red Direct Dye from China
Congo Red (Direct Red 28) is the classic diazo direct dye used for cotton dyeing and as a pH indicator in labs. It qualifies under HTS 3204.14.50.00 as synthetic organic direct coloring matter per chapter note 3. Famous for its red-to-blue color change in acidic conditions.
Duty Rate — China → United States
44%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include historical C.I. number (22120) and application method in commercial invoice
• Note potential carcinogen classification requiring special handling documentation
• Prevent reclassification as pigment preparation (3206) by proving water-soluble dye form