sodium nitrate

Other Definitions
sodium nitrate (dict)

**Properties**
General
Name	Sodium nitrate
Chemical formula	Na NO₃
Appearance	White powder or colorless crystals
Physical
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
Crystal structure	?
Solubility	92 g in 100mL water
Thermochemistry
Δ_fH⁰_liquid	-452 kJ/mol
Δ_fH⁰_solid	-468 kJ/mol
S⁰_solid	117 J/mol·K
Safety
Ingestion	Very dangerous, possibly fatal.
Inhalation	Similar to ingestion.
Skin	May cause irritation.
Eyes	May cause irritation.
More info	Hazardous Chemical Database
SI units were used where possible. Unless otherwise stated, standard conditions were used. Disclaimer and references

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.

External links

FAO/WHO report

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