2、 Alias: Benzene, coal tar naphthalene, naphthalene pills
3、 Character: colorless and shiny monoclinic crystal. Flammable. The smell is also volatile at normal temperature and can sublimate. Melting point 80.29 ℃, boiling point 218 ℃, relative density 1.145 (20/4 ℃), 0.9625 (100/4 ℃), ignition point 86 ℃, self-ignition point 526.11 ℃, refractive index 1.5898, flash point (open cup) 78.89 ℃. 1g of this product is soluble in 13ml of methanol or ethanol, 3.5ml of benzene or toluene, 2ml of carbon tetrachloride and 1.2ml of carbon disulfide. Insoluble in water. It can also volatilize with water vapor and belongs to Class 4 hazardous chemicals
4、 Package: 50KG/composite woven bag
5、 Production method: 1. It is separated from coal tar, and naphthalene in high temperature coal tar accounts for about 8% - 12%. The coal tar is distilled, cut into kerosene, and the finished naphthalene is distilled after dephenolization and dequinoline. 2. Produced from petroleum hydrocarbons: catalytic heavy reforming oil, catalytic cracking light circulating oil, tar by-product of cracking to ethylene, etc.
Origin: Shanghai Baosteel
6、 Precautions for storage and transportation: store in a cool and ventilated warehouse. Keep away from kindling and heat sources. The temperature of the warehouse shall not exceed 32 ℃ and the relative humidity shall not exceed 80%. The package is sealed. It shall be stored separately from oxidant and shall not be mixed. During transportation, it shall be protected from sunshine, rain and high temperature. Keep away from kindling and heat source during stopover. The vehicle shall be thoroughly cleaned after transportation.
7、 Use: naphthalene is an important industrial condensed hydrocarbon, mainly used for the production of phthalic anhydride; Various naphthols; Naphthylamine is used to produce synthetic resin; Plasticizer; Dye intermediates; Surfactant; Synthetic fiber; Paint; pesticides; Medicine; Spices; Raw materials for rubber additives and pesticides..
8、 The potential of our products: We have many product cooperation with Shanghai Baosteel, and there is a price potential!
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