</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2831.10.50.00/Sodium Dithionite for Dyeing 90% Min/China

Sodium Dithionite for Dyeing 90% Min from China

High-purity sodium dithionite minimum 90% for indigo dyeing in denim production. Classified HTS 2831.10.5000 as other unstabilized sodium dithionites, essential reducing agent in textiles. Meets Chapter 28 chemical definition standards.

Duty Rate — China → United States

43%

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
Calculate with your customs valueVerify classification with AI

Import Tips

• ,Monitor MFN vs GSP rates; China-origin often faces higher AD/CVD duties