Sodium Alpha Olefin Sulfonate (AOS) from Japan
AOS is an anionic synthetic surfactant known for high foaming in liquid hand soaps and shampoos. It meets precise Chapter 34 criteria for organic surface-active agents via lab tests on emulsions and tension. 3402.90.10 classification as synthetic detergent.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Carbon chain specs (e.g
• C14-16) must be documented to verify synthetic status
• Biodegradability certs help with environmental compliance declarations