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Sodium Alpha Olefin Sulfonate (AOS) from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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

Sodium Alpha Olefin Sulfonate (AOS) from Mexico — Import Duty Rate | HTS 3402.39.90.50