Calcium Carbide
The nature of calcium carbide is related to purity, industrial products are mostly mixtures of calcium carbide and calcium oxide, and contain trace amounts of sulfur, phosphorus, nitrogen and other impurities, and the color is gray, brown to black with the increase of impurity content. Melting point and conductivity are reduced with the reduction of purity, industrial purity is generally 80%, melting point 1800 ~ 2000℃.
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Description
Product Name: Calcium Carbide
Molecular formula: CaC2
CAS: 75-20-7
EINECS NO.：200-848-3
Appearance
The industrial product is gray, tan, or black solid, and the one containing higher calcium carbide is purple.
Application
- Used in the production of acetylene gas, polyvinyl chloride, lime nitrogen, dicyandiamide, iron and steel desulfurizer.
- Electronics industry.
- Teaching reagent.
- Calcium carbide is used for chemical production accounts for about 60%, and the remaining 40% is used for metal welding and cutting.
