Charles Kettering, vice president of General Motors Research Corporation, was seeking a refrigerant replacement that would be colorless, odorless, tasteless, nontoxic, and nonflammable. He assembled a team that included Thomas Midgley, Jr., Albert Leon Henne, and Robert McNary. From 1930 to 1935, they developed dichlorodifluoromethane (CCl2F2 or R12), trichlorofluoromethane (CCl3F or R11), chlorodifluoromethane (CHClF2 or R22), trichlorotrifluoroe… WebRegulatory Name: CFC-12, Dichlorodifluoromethane . Formula: CC12F2 . DOT Label: Non-flammable Gas . CAS: 75-71-8 . STCC: 4904516, 4904561 . CHRIS: DCF . UN Number: 1028 . ... famously filled his lungs with Freon and extinguished a candle at a meeting of the American Chemical Society in1930 [8].
Chlorofluorocarbons (CFCs) - Structure, Properties, Applications …
WebMay 25, 2024 · R-1234ze (E)/227ea (91.1/8.9) 516A. R-1234yf/134a/152a (77.5/8.5/14.0) * This list is not intended to be complete or definitive. Please refer to the latest edition of ASHRAE Standard 34 and all published addenda for complete information on refrigerant designations and safety classifications. For more information on ASHRAE Standard 34 … WebFull name: Refrigerant 11. Technical name: UN 3082, Trichlorofluoromethane. Chemical formula: CCl3F. Cylinder Color: Orange. Available quantities: 30lb or 13,6kg cylinders, 100lb or 45,36kg drums, … tryptophan half life
DICHLORODIFLUOROMETHANE - Occupational Safety …
WebFORMULA: CCl 2 F 2. ELEMENTS: Carbon, chlorine, fluorine. COMPOUND TYPE: Halogenated hydrocarbon; alkyl halide (organic) STATE: Gas. MOLECULAR WEIGHT: … WebDichlorodifluoromethane definition, a colorless, slightly water-soluble, nonflammable gas, CCl2F2, that boils at −29°C: used chiefly as a propellant in aerosols and as a refrigerant. … WebApr 5, 2024 · Chlorofluorocarbons chemical formula is CCl 2 F 2. What is CFC Gas? Dichlorodifluoromethane is by far the most common example (R-12 or Freon-12) of CFC gas. Many CFCs have been used as refrigerants, propellants (in aerosols), and solvents. CFCs have been phased out under the Montreal Protocol because they lead to ozone … tryptophan haferflocken