Potassium Nitrate


Product # 2926
Name Potassium Nitrate
Synonyms Nitric acid, potassium salt, saltpeter, nitrate of potash
Formula KNO3
Purity 99.9%
CAS Number 7757-79-1
Molecular Weight 101.11
Color & Form White solid
Boiling Point 400° C (dec.)
Melting Point 334° C
Specific Gravity 2.109 gm/ml
Solubility Soluble


100 gm $15.00
500 gm $45.00
  • For other quantities or purities not listed, please request a quotation. We can offer many items in bulk or custom packaging.
  • All pricing is subject to confirmation at the time the order is placed.

Related Products

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2925 Potassium Nitrate ACS
26591 Potassium Nitrate, powder (w/anti cake) Technical
2927 Potassium Nitrate 99.999%


Transportation Information UN1486, Potassium Nitrate, 5.1, III
Pictogram Pictogram: Oxidizer 
Signal Word Warning
Hazardous Statements

H272  May intensify fire; oxidizer.

H412  Harmful to aquatic life with long lasting effects.

Precautionary Phrases

P210  Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P220  Keep/Store away from clothing/.../combustible materials.

P221  Take any precaution to avoid mixing with combustibles/...

P273  Avoid release to the environment.

P280  Wear protective gloves/protective clothing/eye protection/face protection.

P370+P378  In case of fire: Use ... for extinction.

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

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