Science Fair Project Encyclopedia
|Appearance||White powder or colorless crystals|
|Formula weight||85.0 amu|
|Melting point||580 K (307 °C)|
|Boiling point||decomposes at 653 K (380 °C)|
|Density||2.3 ×103 kg/m3|
|Solubility||92 g in 100mL water|
|Ingestion||Very dangerous, possibly fatal.|
|Inhalation||Similar to ingestion.|
|Skin||May cause irritation.|
|Eyes||May cause irritation.|
|More info||Hazardous Chemical Database|
Sodium nitrate is a type of salt which has long been used as an ingredient in explosives, and has been mined extensively for that purpose. The world's largest deposits were in the Atacama desert of Chile, and these were mined for over a century, until the 1940s.
It has antimicrobial properties when used as a food preservative.
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