Freon™ DuPont™ Suva® Refrigerant, 30 lb, Cylinder, 668 psia, 0.0314 cu-ft/lb, Composition: 61% Chlorodifluoromethane, 11% 1, 1-Difluoroethane, 28% 1-Chloro-1, 2, 2, 2-Tetrafluoroethane, Liquefied Gas, Ether, Slight, 1.19 Specific Gravity, 3.3 Vapor Density, Neutral pH, -34.6 deg C Boiling, 8224 hPa Vapor Pressure, 100 % Volatile, 226 deg F, Clear