Pure calcium carbide is colourless, while process-grade calcium carbide lumps are grey or brown, about 80-85% CaC2 (the rest being CaO (calcium oxide), Ca3P2 (calcium phosphide), CaS (calcium sulfide), Ca3N2 (calcium nitride), SiC (silicon carbide), etc.). In the presence of trace amounts of moisture, industrial-grade calcium carbide emits an unpleasant odour reminiscent of garlic.
Molecular weight/molar mass: 64.099 g/mol
Density: 2.22 g/cm3
Melting point: 2160 degree
Boiling point: 2300 degree
| 447 degree | |
| 2300 degree | |
| 2.22 g/mL at 25 degree (lit.) | |
| water-free area | |
| Gray-black | |
| 2.22 | |
cac2 price
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