Name: Xylene

Foreign name: Xylenes

Sub-category: Chemical

Gas smell: the special smell of aromatic hydrocarbons

Color: colorless

Boiling point: 137～140℃

Use function

It is widely used as a solvent in coatings, resins, dyes, inks and other industries; as a synthetic monomer or solvent in industries such as medicine, explosives, and pesticides; it can also be used as a high-octane gasoline component and an important raw material for organic chemicals. It can also be used to remove asphalt from the car body. The hospital pathology department is mainly used for the transparency and dewaxing of tissues and sections.

Industrial o-xylene is used as the raw material, first washed with industrial concentrated sulfuric acid until the acid layer is colorless, then washed with 10% sodium hydroxide solution and water to pass, separated the water layer, dried with anhydrous calcium chloride, and then rectified. After the distillate is clear, collect the middle distillate, which is the pure product.