Hydroxypropyl Corn Starch

Etherified corn starch modified with hydroxypropyl groups for improved stability in pharmaceuticals and foods. Falls under HTS 3505.10.0040 as a corn-derived modified 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.

2940.00.60.00Higher: 30.8% vs 17.5%

If pharmaceutical sugar derivative

Certain modified starch sugars for pharma fall under Chapter 29 organics.

3505.10.00Same rate: 17.5%

If sourced from wheat starch

Source-specific subheading; wheat derivation uses other subheading.

3004.90Lower: 10% vs 17.5%

If pre-formulated into medicaments

Chapter 35 excludes medicaments; finished pharma products in Chapter 30.

Not sure which classification is right?

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Import Tips & Compliance

• Include etherification degree and substitution specs in entry docs

• For pharma use, prepare USP compliance certificates