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Sulfur
Author: Tianhe chemical sources: original date:2012-04-11


Properties and use: Yellow or light yellow particle (powder) or flake. Boiling point 444.6℃, flammable. General combustion temperature 248~261℃. Explosive when the concentration reaches95g/m3. Insoluble in water, slightly soluble in ethanol and ether, soluble in carbon disulfide, carbon tetrachloride and benzene.

Physical and chemical properties: Yellow powder solid, has several allotropes, of which the most stable is orthorhombic crystal sulfur, melting point 112.8℃. Another is monoclinic sulfur boiling point is 119℃. Generally is the mixture of them, melting point 115℃, relative density 2.07, vapor pressure 0.53mPa at 30.4℃, insluble in water, slightly soluble in ethanol and ether. The crystal is easily soluble in carbon disulfide and the amorphous material is insluble in carbon disulfide. Flammable and is easy to be decomposed slowly by water.

Sulfide: Sulfide generally refers to the compounds of metal and sulfur. Widely used in dye and leather industry.


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