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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 .
International Chemical Safety Card 1106; NIOSH Pocket Guide to Chemical Hazards. "#0197". National Institute for Occupational Safety and Health (NIOSH). Termochemistry data at chemnet.ru; Entry at Air Gas Liquide Encyclopaedia Archived 2021-02-18 at the Wayback Machine
The term immediately dangerous to life or health (IDLH) is defined by the US National Institute for Occupational Safety and Health (NIOSH) as exposure to airborne contaminants that is "likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment." Examples include smoke or other ...
Hazards Lethal dose or concentration (LD, LC): LC Lo (lowest published) 250,000 ppm (mouse, 1.5 hr) 87,000 (rat, 6 hr) [3] NIOSH (US health exposure limits): PEL ...
Research has increasingly found chemicals and other worrisome materials in many products that come into contact with food. Most recently, a study found high levels of toxic flame retardants in ...
Chlorotrifluoromethane, R-13, CFC-13, or Freon 13, is a non-flammable, non-corrosive, nontoxic chlorofluorocarbon (CFC) and also a mixed halomethane.It is a man-made substance used primarily as a refrigerant.
Wildfire smoke can pose hazards from particle pollution even after only short-term exposure. Experts reveal common symptoms and offer strategies to reduce the risk.
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 ...