Potassium Nitrate Crystal ACS Grade *

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Potassium Nitrate, also known as Nitre, Nitrate of potash, Nitric acid potassium salt, and Saltpeter, has the chemical formula KNO3. It appears as odorless white to dirty gray hygroscopic granules or crystalline powder and is soluble in Water at ambient conditions. It possesses a saline pungent taste. When heated to decomposition it emits very toxic fumes of Nitrogen Oxides and Dipotassium Oxide. An ACS Grade reagent is a chemical that meets the purity requirements of the American Chemical Society (ACS). It is generally equivalent to the Analytical Reagent Grade. For dependable, consistent, and repeatable findings, ACS Grade reagents can be utilized in high- quality research labs. In the United States of America (USA), Lab Alley sells its high-quality Potassium Nitrate, ACS Grade, online at laballey.com.


Potassium Nitrate Crystal ACS Features:

Assay Min 99.0%
pH of a 5% Solution @ 25°C 4.5-8.5
Insoluble Matter 0.005%
Chloride 0.002%
Iodate 5 ppm
Iodate & Nitrite To Pass Test (IO3 Limit about 5 ppm; NO2 Limit about 0.001%)
Phosphate 5 ppm
Sulfate 0.003%
Calcium, Magnesium, & R3O2 Ppt 0.01%
Heavy Metals (as Pb) 5 ppm
Iron 3 ppm
Sodium 0.005%
Common Uses
  • Reagent
  • Lawn care/gardening
  • Reef Tanks
  • Cleaning
Commercial/Industrial Application
  • Saltpeter
  • Fireworks
  • Synthesis of fertilizer
  • Photography
  • Rocket propellants and fireworks
Safety and Handling

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Potassium Nitrate Crystal ACS.

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Questions & Answers

  • Do you have saltpeter? Want to purchase small quantity to process meat.

    This product is also called Saltpeter. 
    Chemical name of saltpeter is Potassium Nitrate. 

    For purchase please contact our customer care team via e-mail at customerservice@laballey.com or via phone at 512-668-9928.
    Thank you.