Date of Discovery: 1863
Discoverer: Ferdinand Reich
Name Origin: From the Indigo color seen in its spectrum
Uses: coating of high-speed bearings
Obtained From: by-product of zinc refining

 
Atomic Number: 49
Atomic Mass: 114.818 amu
Melting Point: 156.61 °C (429.76 °K, 313.898 °F)
Boiling Point: 2000.0 °C (2273.15 °K, 3632.0 °F)
Crystal Structure: Tetragonal
Density @ 293 K: 7.31 g/cm3
Color: Gray

 
Isotope
In-111
In-113
In-113m
In-114
In-114m
In-115
In-115m
In-116
In-116m
In-117
In-117m
Half Life
2.8 days
Stable
1.7 hours
1.2 min
49.5 days
4.4E14 years
4.5 hours
14.1 sec
54.2 min
44.0 min
1.9 hours