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Hazard Predictions

• Flammable: Reaction products may be flammable
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Intense or explosive reaction: Reaction may be particularly intense, violent, or explosive

Calcium carbide poses a fire hazard when exposed to steel tools (Anon. 1940. Industrial Safety Bulletin 8:41).

The interaction of selenium and hexalithium disilicide causes incandescence (J. W. Mellor, 1940. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 6, pp. 169. Longmans, Green and Co Ltd.).

Calcium carbide incandesces when heated with magnesium (J. W. Mellor, 1940. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 4, pp. 271. Longmans, Green and Co Ltd.).

Grinding sodium acetylide (sodium carbide) with finely divided aluminum, iron, lead, or mercury may result in a vigorous reaction that releases carbon (J. W. Mellor, 1946. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 5, pp. 848. Longmans, Green and Co Ltd.).