75-34-3: It is an industrial solvent and … Contaminant Candidate List 4-CCL 4 The Contaminant Candidate List (CCL) is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, but are known or anticipated to occur in public water systems. 1,1-Dichloroethane. International Agency for Research on Cancer, National Institute for Occupational Safety and Health, "Ueber die Chlorverbindungen des Kohlenstoffs, C2Cl2 und CCl2". The bulb could be thrown at the base of the flames to quench the fire.  The International Agency for Research on Cancer (IARC) classified this compound in Group 2B, possibly carcinogenic to humans.. The carbon tetrachloride type could also be installed in a spring-loaded wall fixture with a solder-based restraint. CCL4/MIP-1 beta: Products. What is the name of the covalent compound CCl4? Although carbon tetrachloride used to be widely available and used, it has been replaced by safer alternatives. Carbon tetrachloride was widely used as a dry cleaning solvent, as a refrigerant, and in lava lamps. Carbon tetrachloride | CCl4 | CID 5943 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, … Time-series of atmospheric concentrations of CCl4 (Walker et al., 2000). Carbon tetrachloride is still used to manufacture less destructive refrigerants. Use of Ozone Depleting Substances in Laboratories. It's carbon tetrachloride. Prior to the Montreal Protocol, large quantities of carbon tetrachloride were used to produce the chlorofluorocarbon refrigerants R-11 (trichlorofluoromethane) and R-12 (dichlorodifluoromethane).  Carbon tetrachloride was suitable for liquid and electrical fires and the extinguishers were often carried on aircraft or motor vehicles. Carbon tetrachloride made from heavy chlorine-37 has been used in the detection of neutrinos. Thermal conductivity - nonmetallic liquids and gases. Manfred Rossberg, Wilhelm Lendle, Gerhard Pfleiderer, Adolf Tögel, Eberhard-Ludwig Dreher, Ernst Langer, Heinz Jaerts, Peter Kleinschmidt, Heinz Strack, Richard Cook, Uwe Beck, Karl-August Lipper, Theodore R. Torkelson, Eckhard Löser, Klaus K. Beutel, "Chlorinated Hydrocarbons" in Ullmann's Encyclopedia of Industrial Chemistry, 2006 Wiley-VCH, Weinheim. She has taught science courses at the high school, college, and graduate levels. A well-known brand was the "Red Comet", which was variously manufactured with other fire-fighting equipment in the Denver, Colorado area by the Red Comet Manufacturing Company from its founding in 1919 until manufacturing operations were closed in the early 1980s.. CCl4 is known to cause liver failure. Compounds With Both Ionic and Covalent Bonds, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College. Hemispheric and Global mean concentrations of CCl4 (NOAA/ESRL).  The extinguisher consisted of a brass bottle with an integrated handpump that was used to expel a jet of liquid toward the fire. CCl4 goes by many names besides carbon tetrachloride, including tetrachloromethane (IUPAC name), carbon tet, Halon-104, benziform, Freon-10, methane tetrachloride, Tetrasol, and perchloromethane. When the solder melted by high heat, the spring would either break the globe or launch it out of the bracket, allowing the extinguishing agent to be automatically dispersed into the fire.  Because it has no C–H bonds, carbon tetrachloride does not easily undergo free-radical reactions. At the time it was believed the gas simply displaced oxygen in the area near the fire, but later research found that the gas actually inhibits the chemical chain reaction of the combustion process.