WebApr 16, 2024 · HCFC refers to hydrochlorofluorocarbon. It is a class of compounds having a chemical structure very similar to CFC. However, unlike CFC, these compounds contain hydrogen atoms, in addition to the … WebJun 1, 2024 · chlorofluorocarbons (CFCs), and Class II ODS, such as hydrochlorofluorocarbons (HCFCs). For each ODS, this page provides the compound’s …
EPA 608 Test Flashcards Quizlet
HCFC: R-131 b: 1,1,1-Trichloro-2-fluoroethane: C 2 H 2 FCl 3: 2366-36-1: 0.007–0.05: 151.4: HCFC: R-132: Dichlorodifluoroethane: C 2 H 2 F 2 Cl 2: 25915-78-0: 0.008–0.05: 134.9: HCFC: R-132 a: 1,1-Dichloro-2,2-difluoroethane: C 2 H 2 F 2 Cl 2: 471-43-2: 0.008–0.05: 134.9: HCFC: R-132 b: 1,2-Dichloro-1,1 … See more This is a list of refrigerants, sorted by their ASHRAE-designated numbers, commonly known as R numbers. Many modern refrigerants are man-made halogenated gases, especially fluorinated gases and chlorinated gases, … See more 1. ^ Blend Calculation using the following information: (a) Hydrocarbons are assumed to be similar to Methane in terms of Atmospheric Lifetime being 12 ± 3 years, (b) Pentane … See more Compounds used as refrigerants may be described using either the appropriate prefix above or with the prefixes "R-" or "Refrigerant." Thus, CFC-12 may also be written as R-12 or … See more • Haloalkane See more WebJun 9, 2024 · The R-407C refrigerant consists of three HFC (hydrofluorocarbons) components. They include R-32 (difluoromethane), R-125 (Pentafluoromethane), and R134A, also known as 1, 1, 1, 2- tetrafluoroethane. Additionally, the refrigerant is environmentally friendly since it has a Global Warming Potential of 1774 and a zero … city of chula vista nicola kavanagh
Nomenclature of CFC
WebHCFCs Genetron® MP39 (R-401A) An interim replacement for R-12 in medium-temperature commercial refrigeration systems. For medium-temperature retrofits. Overview Properties Resources Save this page as PDF Contact us SDS Finder An interim replacement for R-12 in medium-temperature commercial refrigeration systems. For medium-temperature … • Chlorofluorocarbons (CFCs): when derived from methane and ethane these compounds have the formulae CClmF4−m and C2ClmF6−m, where m is nonzero. • Hydro-chlorofluorocarbons (HCFCs): when derived from methane and ethane these compounds have the formula CClmFnH4−m−n and C2ClxFyH6−x−y, where m, n, x, and y are nonzero. WebJun 22, 2024 · R-22 is an HCFC refrigerant and can harm the Ozone layer. It was originally invented by a partnership with General Motors and the DuPont company all the way back in the 1930’s. These new CFC and HCFC refrigerants were … do new boilers come with a flue