Calcium Carbide


Molecular formula CaC2
Molecular weight 64.10
Structural Formula Calcium Carbide
Specificity Grey, black solid, purple when its purity is more than 90%, the specific gravity is 2.32, melting point is 1980°C. It can dissolve in water to create acetylene calcium hydroxide and heat will be released at the same time.
Standard GB 10665-1997
Item Premium Grade First Grade Second Grade
Gas Yield(L/kg) ≥ 305 295Min 285Min
PH3 Content in Acetylene(V/V)% ≤ 0.06 0.08 0.08
H2S Content in Acetylene(V/V)% ≤ 0.15 0.15 0.15
Particle Size(mm) 0-10, 10-80, 80-150
Usage It is a basic material in organic synthesis industry; acetylene obtained from calcium carbide is the raw material to make ethylene, chloroprene rubber calcium cyanamide, acetic acid, acetaldehyde, trichloroethylene, etc. Also used as desulfurization agent in steel industry and for metal cutting and welding.
Package Packed in net 100kg steel drum sealed with Nitrogen or in net 50kg soft package which is special for railway transportation.
Storage and transportation Stored in cool, ventilated and dry warehouse, keep away from water and moisture.

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