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Freon 11, also known as R-11, CFC-11, or by its scientific name trichlorofluoromethane, is a colorless and odorless gas that was used mostly as a refrigerant until the early '90s. Due to its potential to deplete the ozone layer, it is no longer being produced as of January 1996.


After purchasing the Freon, attach the can to the air conditioning compressor, open the can, replace the Freon, close the can and repeat the steps as necessary. It is extremely important to prevent the Freon from touching the skin as frostbite will occur.


As of 2015, Freon is no longer being manufactured and cannot be bought at all in the United States, except under certain limited circumstances by certified technicians. Freon is a trademarked formula of chlorofluorocarbon, and as such it is on the Environmental Protection Agency's restricted refrige


Freon is an odorless gas; it does not smell like anything. Freon is a popular refrigerant because it is non-toxic and non-flammable. Although it dates back to 1928, Freon and its related gases are still the safest refrigerants on the market. It is also an effective aerosol propellant, but is no long


Freon gas is somewhat dangerous to handle and should only be handled by a professional. It often cuts off the path for oxygen into the lungs and cells of those who inhale it deeply. If a person is overexposed to it, he might suffer confusion, dizziness and disorders of the cardiovascular or central


Freon gas often cuts off the path for oxygen into the lungs and cells of those who inhale it deeply. While light breathing near an open freon container or limited exposure to the skin causes only mild harm, even this casual contact produces a range of symptoms, according to Healthline.


Freon gases have a sweet odor similar to ether or freshly mowed grass. The odor becomes noticeable at concentrations of higher than 20 percent. At 11 percent concentration and higher, Freon gases are toxic, so the effects can become debilitating before the odor is detected.


Most vehicles need 25 to 35 pounds per square inch of Freon on the low side if the vehicle is running with the air conditioner on its coldest setting and fastest fan speed. The amount of Freon a vehicle uses is measured in pounds per square inch, or psi.


A minor Freon leak may not pose a health risk, but exposure to high amounts can cause harmful side effects, such as headaches, dizziness, heart palpitations, and irritation of the lungs, skin or eyes. Touching liquid Freon with bare skin may cause frostbite.


Breathing air that is contaminated with Freon can cause respiratory difficulties, organ damage and, in some cases, death. Symptoms can vary depending on the extent of the Freon exposure, but even a small amount of exposure can cause serious symptoms in humans.