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Known in ancient times as brimstone, sulfur is essential to life. It is pale yellow, odorless, brittle, nonmetallic solid. Sulfur has unusual optical and electrical properties and is a good electrical insulator. It occurs native near volcanoes and hot springs and readily combines with many elements. A large amount of sulfur is used in the production of sulfuric acid, which some refer to as the most important manufactured chemical.
|Property Name||Property Value||Property Name||Property Value|
|Atomic Code||(16S32.066)||First Ionization Energy||239K-cal/g-mole|
|Melting Point||115.21°C||Mohs Hardness @ 20°C||1.5-2.5|
|Boiling Point||444.6°C||Linear Coefficient of Expansion||6.5x10-6K-1|
|Themal Conductivity||6.31x10-4cal/cm2/cm/s/°C||Critical Temperature||1040°C|
|Specific Heat @ 25°C||0.175cal/g°C||Critical Pressure||116atm|
|Heat of Fusion||0.34k-cal/g-atom||Critical Volume||2.48ml/g|
|Heat of Vaporization||3.01k-cal/g-atom||Vapor Pressure @ 1727°C||9.5x10-11atm|