Sodium Alpha Olefin Sulfonate (AOS) from Japan
AOS is a mild anionic surfactant derived from alpha olefins, ideal for high-foaming shampoos and dishwashing liquids. It complies with heading 3402 criteria by producing translucent solutions and low surface tension in water tests. Classified in 3402.39.90.50 for non-retail anionic surface-active 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%
Import Tips
• Submit manufacturer's specs proving 0.5% water test compliance per Chapter Note 2
• Declare as industrial intermediate; consumer-ready formulations risk moving to 3305/3402.50
• Monitor for soap additives; added soap bases reclassify entire product to 3402.20