Octenyl Succinic Anhydride (OSA) Modified Starch
OSA-modified starch is esterified for emulsifying properties in beverages and dressings. This surface-modified starch is classified under HTS 3505.10.00 as esterified starch.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If isolated OSA chemical without starch base
Pure carboxylic acids/salts in Chapter 29; requires starch matrix for 3505.
If formulated emulsion stabilizer blend
Prepared chemical mixtures for industry classified as 'other' in 3824.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Analytical HPLC reports proving OSA grafting essential for classification
• GRAS status documentation speeds FDA review for food use
Related Products under HTS 3505.10.00
Pregelatinized Corn Starch
Pregelatinized corn starch is a modified starch that has been cooked and dried to allow instant thickening when mixed with cold water. It falls under HTS 3505.10.00 as a pregelatinized modified starch used primarily in instant foods and pharmaceuticals.
Esterified Wheat Starch
Esterified wheat starch is chemically modified through esterification to improve stability and texture in processed foods like sauces. It qualifies under HTS 3505.10.00 as 'other modified starches' distinct from native starches.
Hydroxypropyl Modified Tapioca Starch
Hydroxypropyl tapioca starch undergoes etherification for enhanced freeze-thaw stability in frozen foods. As an etherified modified starch, it precisely fits HTS 3505.10.00.
Pregelatinized Rice Starch
Pregelatinized rice starch allows cold-water dispersion for baby foods and pharmaceuticals. As a physically modified starch, it falls under HTS 3505.10.00.
Crosslinked Potato Starch
Crosslinked potato starch uses chemical bridges for heat/shear resistance in gravies. Chemical modification qualifies it for HTS 3505.10.00 as modified starch.
Dextrin Powder for Paper Sizing
Roasted starch dextrin powder provides adhesion in paper manufacturing. Low reducing sugar content keeps it under HTS 3505.10.00 as dextrins.