Octenyl Succinic Anhydride (OSA) Modified Starch from China
OSA-modified starch is esterified with octenyl succinic anhydride to provide emulsifying properties in beverages and dressings. This surface-modified starch is classified under tariff item 3505.10.19 as an esterified starch, specifically 'other' than those listed elsewhere.
Duty Rate — China → Canada
8%
Import Tips
• Keep documentation showing the esterification with OSA and the degree of substitution
• Verify the starch is not pregelatinized, which would fall under 3505.10.20
• Check if the product is used in food preparations that might affect classification