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Potassium Nitrate

Highly Refined: 99.8% Minimum Purity, Prilled (Small Pellets)

by Duda Energy


Potassium nitrate, also known as salt peter, is a chemical compound with the chemical formula KNO3. A naturally occurring mineral source of nitrogen, KNO3 constitutes a critical oxidizing component of black powder gunpowder. In the past it was also used for several kinds of burning fuses, including slow matches. Used for fertilizer, amateur rocketry, fireworks, smoke bombs & more.

As a stump remover, potassium nitrate will accelerate the rotting of stumps. Simply drill holes into the stump, add some water and potassium nitrate, and the stump will rot more rapidly over time without affecting living vegetation around the stump.

Note: The Department of Homeland Security requires a top screen within 60 days of storing sodium nitrate or potassium nitrate or any combination of the two in a total of 400 lb or more. This law is the responsibility of the buyer to adhere to in order to help prevent the theft of the materials which could be misused for and used in malicious activities.

MSDS LINK for potassium nitratecertificate of analysis for potassium nitrate

HAZARDOUS CHEMICAL: This item may not be compatible with other hazardous materials. Please view the compatibility chart if you plan to order multiple, hazardous items together. If you need two chemicals which are not compatible, please order them separately, as they cannot be shipped in the same box.

Hazardous chemicals can only be shipped to the 48 US states. They also cannot be shipped to an APO. Hazardous chemicals may only be shipped via fedex ground.


potassium nitrate
Refined Potassium Nitrate, 50 lb
• Highly Refined 99.8% Minimum Purity
• White Pellets / Prilled
• *See Description for information about DHS Requirements
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