</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2921.59.20.00/4,4'-Diaminostilbene-2,2'-disulfonic acid Powder/Japan

4,4'-Diaminostilbene-2,2'-disulfonic acid Powder from Japan

Powdered form of 4,4'-diamino-2,2'-stilbenedisulfonic acid, a white to light yellow crystalline compound used as a dye precursor. Classified specifically under HTS 2921.59.2000 as a separate chemically defined organic compound per Chapter 29 scope. The powder form with anti-caking agent is allowed under note (f).

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Calculate with your customs valueVerify classification with AI

Import Tips

• Ensure packaging prevents dust; declare anti-dusting agents per Chapter note (g) to avoid reclassification

• Provide REACH or TSCA compliance docs if destined for US/EU chemical processing

4,4'-Diaminostilbene-2,2'-disulfonic acid Powder from Japan — Import Duty Rate | HTS 2921.59.20.00