Exterior of the yellow sulfur is crystals or powder brittle. Sulfur has a special smell. 32.06 molecular weight of sulfur, vapor pressure is 0.13kPa; flash point is 207 Degrees Celsius, melting point 119 Degrees Celsius, boiling point 444.6 Degrees Celsius, relative density of 2.0.
Sulfur does not dissolve in water, slightly soluble in ethanol and ether, soluble in carbon disulfide. Sulfur is a good electrical and thermal insulator.
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