a gray or black crystalline compound produced from lime and coke. When mixed with water, it yields acetylene gas (C2H2), which has been used as an anesthetic and was once used as a source of illumination in miners' lamps.
Strong reducing agent. Ignites spontaneously in air at 150-180 oF.
After contact with skin, wash immediately with plenty of water. Gently and thoroughly wash the contaminated skin with running water and non-abrasive soap.
Animal studies suggest that this material may have fibrogenic effects and may cause heart, liver and kidney dystrophy in animals. Typical TWA 5 mg/m3.