Potassium Nitrate Powder

Potassium nitrate (KNO3), also known as saltpeter, is an inorganic nitrate salt under HTS 2834.29.51.00 for nitrates other than specified types. It serves as an oxidizer in gunpowder, fireworks, and toothpaste formulations.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.5%+25.0%28.5%
🇲🇽Mexico3.5%3.5%
🇨🇦Canada3.5%3.5%
🇩🇪Germany3.5%3.5%
🇯🇵Japan3.5%3.5%

Alternative Classifications

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

3102.60.00Lower: 25% vs 28.5%

If for agricultural fertilizer applications

Nitrates prepared expressly for fertilizer use transfer to Chapter 31 per chapter notes.

2843.30.00Higher: 30% vs 28.5%

If when complexed with rare earth metals

Complex salts of inorganic bases fall under heading 2843 per Chapter 28 note 4.

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Import Tips & Compliance

Obtain ATF import permits if destined for explosive manufacturing to prevent customs holds

Label packages with UN 1486 hazard class for proper hazmat declaration during import

Provide end-use statements to distinguish from fertilizer applications and maintain Chapter 28 classification