Density
6.69 g/cm³ (at 20 °C)
Discovery
Known since ancient times
Discovery
Antimony has been known since ancient times. Its discovery predates recorded history.
Common Uses
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Used in flame retardants.
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Used in some lead alloys to increase hardness and strength, such as in car batteries.
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Used in pigments.
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Used in semiconductors and diodes.
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Used in some medicines.
Interesting Facts
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The symbol Sb comes from the Latin word "stibium".
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Antimony can exist in several allotropic forms. The stable form is a brittle, silvery-white crystalline solid.
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Unlike most substances, antimony expands when it freezes.
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Some antimony compounds are toxic.
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