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PERIODIC TABLE
Antimony
Atomic No. 51
Sb
Antimony
About Antimony
Antimony is a metalloid with atomic number 51 that commonly forms compounds in the +3 and +5 oxidation states. Antimony compounds are used in flame retardant formulations, and antimony strengthens selected lead alloys. Indium antimonide and related semiconductor compounds provide specialized infrared detection applications.
Properties
- Atomic Number
- 51
- Atomic Symbol
- Sb
- Atomic Mass
- 121.76
- CAS No.
- 7440-36-0
- Density
- 6.697 g/cm³
- Series
- metalloid
- Melting Point
- 630.63°C
- Boiling Point
- 1,587°C
- Thermal Conductivity
- 0.24 W/cm °C
- Heat of Fusion
- 19.7 kJ/mol
- Heat of Vaporization
- 67 kJ/mol
- Electronegativity
- 2.05 pauling
- Crystal Structure
- Trigonal
- Electrical Conductivity
- 2.5×106 S/m
Antimony Products
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