Liquid phase
Official name
Liquid Argon
CAS number
7440-37-1
Type
Class
atomic liquid
Compound type
liquid
Phase type
liquid
Chemical composition
Formula
$Ar$
Chemical formula
Ar
Isotope mixture type
terrestrial abundance
  Formula Name Family Mole fraction State Relevance
$Ar$ Argon element 1.0 mol/mol pure main
Molar mass
39.948 $g/mol$
Density
1.395 at 87.3 K $g/cm^3$
State NTP
gas
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid alpha-Ar 83.81 K (−189.34 °C)
Refraction index n
1.233 (83.8K)
Pure color
colorless
Diaphaneity
transparent
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