Potassium Nitrate


Product # 2925
Name Potassium Nitrate
Synonyms Nitric acid, potassium salt, saltpeter, nitrate of potash
Formula KNO3
Purity ACS
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


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Related Products

Product # Name Purity
2926 Potassium Nitrate 99.9%
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).

Featured Element: Bismuth

Bismuth is a brittle crystalline which is slightly pinkish in its elemental form.

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