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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 .
According to the CDC, as of 2020, levels that it is normal to be exposed to in drinking water are lower than levels known to cause health problems. [1] A small number of studies have examined the effects of low levels of bromodichloromethane on people, but most were also exposed to other chemicals, so it may not be the only cause of reported health problems. [1]
Another source of poisoning is exposure to the organic solvent dichloromethane, also known as methylene chloride, found in some paint strippers, [89] as the metabolism of dichloromethane produces carbon monoxide. [90] [91] [52] In November 2019, an EPA ban on dichloromethane in paint strippers for consumer use took effect in the United States. [92]
Here are the most injurious surfaces and objects in your home, as reported by U.S. hospitals. The full methodology of this list can be found below.
Historically, semiconductor fabrication and the production roles involved in creating integrated circuits have often been the role of women. In the 1980s, it was estimated that 68% of tech production jobs (including semiconductor production) were performed by women. [9]
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.
The most important is dichloromethane, which is mainly used as a solvent. Chloromethane is a precursor to chlorosilanes and silicones. Historically significant (as an anaesthetic), but smaller in scale is chloroform, mainly a precursor to chlorodifluoromethane (CHClF 2) and tetrafluoroethene which is used in the manufacture of Teflon. [2]
He needed work badly. So he headed down to the Integrity office in Chester. He was given a white badge with his name on it, and soon he was hustling through the warehouse, scanner in hand. On most shifts, he wore a T-shirt with photo of his best friend’s face and the years of his birth and death: 1983 to 2013.