Phosgene from freon
WebJul 9, 2009 · Freon is a hcfc which when in contact with extreme heat puts off the phosgene gas. This gas can kill you rapidly if exposed to 50ppm especially if it was inhaled. You may … WebPhosgene is the chemical compound with the formula COCl2. This colorless gas gained infamy as a chemical weapon during World War I. It is also a valued industrial reagent and …
Phosgene from freon
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WebHowever, the addition of little ethanol to chloroform can convert toxic phosgene to a nontoxic compound known as ethyl carbonate. Chloroform act as a solvent for many substances such as fats, iodine, alkaloids, etc. One of the major use of chloroform in the present day for the manufacturing of Freon refrigerant R-22. WebJan 14, 2016 · The reality is what many call phosgene isn't. They said while it's possible under pressure and other requirements to create it by burning refrigerant it's doubtful it will happen in the field. And like Buttwheat said it has a present smell. One scientist described the smell as sweet. If phosgene were possible in the field,I'd be dead long ago.
WebPhosgene is extremely poisonous and was used as a chemical weapon during World War I, where it was responsible for 85,000 deaths. It is a highly potent pulmonary irritant and … WebApr 27, 2005 · * Phosgene is a major industrial chemical used to make plastics and pesticides. * At room temperature (70°F), phosgene is a poisonous gas. * With cooling …
WebJan 4, 2024 · Phosgene gas exposure was a frequent accident when brazing certain metals or using antiquated methods for locating refrigeration leaks or sweating compressors. … WebJun 27, 2014 · Freon is a hcfc which when in contact with extreme heat puts off the phosgene gas. This gas can kill you rapidly if exposed to 50ppm especially if it was inhaled. You may experience tighting of...
WebMar 1, 2024 · phosgene, also called carbonyl chloride, a colourless, chemically reactive, highly toxic gas having an odour like that of musty hay, used in making organic chemicals, dyestuffs, polycarbonate resins, and isocyanates for making polyurethane resins.
WebNIOSH/OSHA. Up to 1 ppm: (APF = 10) Any supplied-air respirator*. Up to 2 ppm: (APF = 50) Any self-contained breathing apparatus with a full facepiece. (APF = 50) Any supplied-air respirator with a full facepiece. Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus ... raymond snookWebPhosgene (COCl₂) is a colorless gas with a suffocating odor like musty hay. Exposure to phosgene may cause irritation to the eyes, dry burning throat, vomiting, cough, foamy sputum, breathing difficulty, and chest pain; and … raymonds new \\u0026 used tiresWebRefrigerant contamination has been a long-standing concern, but recently the stakes have been raised. “Virgin” R-134a cylinders as well as R-134a air conditioning (a/c) systems have been found to be contaminated with dangerous levels of R-40 or R-40/R-22 blends. At first, the problem was isolated outside the automobile industry. simplify 6/6Web(grams given/1) x (1 mole/grams per mole) = (10.0g/1) x (1 mole/36.51g) = about .27 moles of HCI is 10.0 grams. Mole ratio of phosgene to HCI = 1:2 .27/2 = .14 moles of phosgene would be needed. COCl2 = 12.0 + 16.0 + 2 (35.5) = 99.0g/mole x moles = (99.0g) (.14 moles) x = 13.86g About 13.86 grams of phosgene would be needed in order to die. simplify 66/100WebThis case report demonstrates a known hazard of refrigeration workers suffering phosgene poisoning after heating chlorinated fluorocarbons (Freons). CASE PRESENTATION: 49 … raymond snoddyWebJun 20, 2009 · Freon & Phosgene Heating R-22 (chlorodifluoromethane) does produce some nasty things. It may produce chlorine or fluorine gas. raymond snow obituaryWebAlso some refrigerant gases form highly toxic phosgene gas if released across an open flame, so if a flame is present near where refrigerant gases are being used for service be sure there is good fresh air ventilation. Refrigerant Gas Asphyxiation hazards: Modern refrigerant gases are heavier than air as well as being odorless and colorless ... simplify 66/12