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

Industrial 2-Pyrrolidone with Stabilizer from Japan

2-Pyrrolidone containing added stabilizers for transport and preservation remains classified under HTS 2933.79.20.00 per Chapter 29 note (f). The stabilizer doesn't render it suitable for specific use beyond general chemical applications.

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%

Import Tips

Document stabilizer composition and concentration to prove compliance with Chapter 29 note (f) limitations

Include stability test data showing necessity for preservation during transport

Customs may test for prohibited impurities; maintain batch records for 5 years