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Dichlorofluoromethane or Freon 21 or R 21 is a halomethane or hydrochlorofluorocarbon with the formula CHCl 2 F. It is a colorless and odorless gas. It is a colorless and odorless gas. It is produced by fluorination of chloroform using a catalyst such as antimony trifluoride : [ 4 ]
Dichlorodifluoromethane (R-12) is a colorless gas popularly known by the genericized brand name Freon (as Freon-12).It is a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant.
Fluoroform, or trifluoromethane, is the chemical compound with the formula CHF 3. It is a hydrofluorocarbon as well as being a part of the haloforms, a class of compounds with the formula CHX 3 (X = halogen) with C 3v symmetry. Fluoroform is used in diverse applications in organic synthesis. It is not an ozone depleter but is a greenhouse gas. [2]
Chlorofluoromethane or Freon 31 is the hydrochlorofluorocarbon (HCFC) with the formula CH 2 ClF. It is a colorless, odorless, flammable gas. [ 1 ] It is a class II ozone depleting substance and in accordance with the montreal protocol, its production and import were banned on 1 January 2015.
International Chemical Safety Card 0049; Data at Integrated Risk Information System: IRIS 0657; CDC – NIOSH Pocket Guide to Chemical Hazards – Chlorodifluoromethane; Phase change data at webbook.nist.gov; IR absorption spectra Archived 28 November 2007 at the Wayback Machine; IARC summaries and evaluations: Vol. 41 (1986), Suppl. 7 (1987 ...
Dichloromethane (DCM, methylene chloride, or methylene bichloride) is an organochlorine compound with the formula C H 2 Cl 2. This colorless, volatile liquid with a chloroform -like, sweet odor is widely used as a solvent .
They told WOWT that chemical dust was left throughout the home, as well as a strong smell of ammonia and shards of meth. "They used our bedroom as the drying room, same with my daughter’s room ...
HCFC-123 is used in large tonnage centrifugal chiller applications, and is the most efficient refrigerant currently in use in the marketplace for HVAC applications. HCFC-123 is also used as a testing agent for bypass leakage of carbon adsorbers in gas filtration systems, and as the primary chemical in Halotron I fire-extinguishing agent. [2]
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