dichlorodifluoromethane

(redirected from Freon 12)
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Related to Freon 12: Freon 22

dichlorodifluoromethane

[dī¦klȯr·ō·dī¦flu̇r·ō′me‚th aman]
(organic chemistry)
CCl2F2 A nontoxic, nonflammable, colorless gas made from carbon tetrachloride; boiling point -30°C; used as a refrigerant and as a propellant in aerosols.
References in periodicals archive ?
In July, customs officials at the New Tokyo International Airport at Narita, Chiba Prefecture seized a cargo of Freon 12 gas that was shipped from Thailand as oil lubricant by a Nagoya-based used-car dealer.
According to customs officials, the Moji retailer tried to import about 36,000 cans of Freon 12, manufactured in China, by filing a customs declaration that the cans contained a gas that was not banned in Japan.
The permeation data, given in Table 1, show a significant improvement in permeation loss for ETP 65 compared with two commercially used hose materials - thermoset rubber and plasticized nylon - for both the current automotive refrigerant, Freon 12, and an environmentally safe replacement candidate, Freon 134a.