3402.39.90/Sodium Alpha Olefin Sulfonate (AOS)/Japan

Sodium Alpha Olefin Sulfonate (AOS) from Japan

AOS is a foam-boosting anionic surfactant derived from alpha olefins, used in shampoos and hand soaps. It passes the 3402 surface-active test by creating translucent solutions. Classified in 3402.39.90 as other anionic agents.

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 value Verify classification with AI

Import Tips

• Include carbon chain distribution data (C14-C16 typical) in import documentation

• Ensure no soap content exceeds trace levels to avoid 3401 reclassification

• Test for emulsion stability per Chapter note requirements during customs verification