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

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+17.5%17.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2918.19.90Higher: 29% vs 17.5%

If isolated OSA chemical without starch base

Pure carboxylic acids/salts in Chapter 29; requires starch matrix for 3505.

3824.99Lower: 15% vs 17.5%

If formulated emulsion stabilizer blend

Prepared chemical mixtures for industry classified as 'other' in 3824.

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Import Tips & Compliance

Analytical HPLC reports proving OSA grafting essential for classification

GRAS status documentation speeds FDA review for food use