Solid phase
Official name
Synthetic Platinum
CAS number
7440-06-4
Type
Family
metallic solid
Class
true metal
Compound type
metal
Chemical composition
Formula
$Pt$
Chemical formula
Pt
Elemental formula
Pt
Isotope mixture type
terrestrial abundance
2.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Pt$ Platinum element 1 1.0 1 pure main
Class
true metals (13)
Type
homovalent monolayer metals (13.01)
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
hexoctahedral
Crystal class symbol
m-3m (Oh)
Crystal spacegroup
Fm-3m
Molar mass
195.084 $g/mol$
Density
21.45 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid 2041.4 K ​(1768.3 °C)
Refringence type
isotropic
Refraction index $n_{\alpha}$
2.193 @ 588nm
Pure color
white
Color
silvery white
Diaphaneity
opaque
Luster
metallic
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