Corn Starch Octenyl Succinate (OSA Starch) from China

OSA-modified corn starch is an esterified starch derived from corn, used as an emulsifier in food beverages and sauces. Classified under HTS 3505.10.0040 for its corn origin and chemical modification as an esterified starch.

Duty Rate — China → United States

17.5%

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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

Import Tips

Provide chemical modification specs (e.g

octenyl succinic anhydride treatment) to justify modified starch status

Ensure FDA GRAS status documentation for food use to facilitate entry

Avoid common pitfall of mislabeling as plain starch, which shifts to heading 1108