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Bismuth Subnitrate Powder USP Grade

Bismuth subnitrate (Bi5O(OH)9(NO3)4), USP grade, is a basic nitrate used in pharmaceuticals as an antacid and in cosmetics. It is classified under HTS 2834.29.05.00 as a nitrate of bismuth, chemically defined per Chapter 28 notes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+37.5%43%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

2825.90Lower: 16.2% vs 43%

If primarily classified by antimony content or analogs

Hydrated antimony oxides similar to subnitrates go to 2825; composition drives heading.

3003.90.01Lower: Free vs 43%

If medicated for retail therapeutic use

Medicinal formulations containing bismuth subnitrate classify as medicaments in Chapter 30.

3304.99.50Lower: 37.5% vs 43%

If in cosmetic retail preparations

Beauty preps with bismuth compounds shift to Chapter 33 for end-use.

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

• Obtain FDA prior notice for pharma imports; certify USP compliance to prevent quarantine

• Document as 'basic bismuth nitrate' to distinguish from pure nitrates and avoid 2827 misclassification