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

Sodium Alpha Olefin Sulfonate (AOS 40%) from Japan

Anionic surfactant known for high foaming and detergency in liquid soaps and shampoos. Meets precise Chapter 34 note 2 criteria for surface-active agents through emulsification and tension reduction tests. HTS 3402.90.5050 designation for this concentrated form.

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

Include Ross-Miles foam height test results demonstrating superior foaming vs. other sulfonates

Declare carbon chain length (C14-C16 typical) in entry documentation