</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Synthetic Indigo Powder (Vat Blue 1, CI 73000) from China

Pure synthetic indigo powder, chemically known as Vat Blue 1 with Colour Index No. 73000, used primarily as a vat dye for coloring textiles. It falls under HTS 3204.15.10.00 as a specific synthetic organic vat dye usable in that state as a pigment. This high-purity form is ideal for industrial dyeing processes requiring colorfast results.

Duty Rate — China → United States

26.5%

Rate breakdown

9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Verify Colour Index No. 73000 certification from supplier to confirm classification; ensure SDS includes CAS number 860-22-0 for compliance

Common pitfall: mislabeling as disperse dye leads to wrong HTS