Sodium Alpha Olefin Sulfonate (AOS) from China
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 — China → United States
38.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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