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1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...
It is an isomer of the more-used 1,1,1,2-tetrafluoroethane (R-134a). It is used as a foam expansion agent and heat transfer fluid. [3] References
The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): Type/prefix (see legends); ASHRAE number
The tert-butyloxycarbonyl protecting group or tert-butoxycarbonyl protecting group [1] (BOC group) is an acid-labile protecting group used in organic synthesis. The BOC group can be added to amines under aqueous conditions using di- tert -butyl dicarbonate in the presence of a base such as sodium hydroxide :
Promoted as climate-friendly substitute for R-134a and R-410A, but still with high climate impact. Has excellent heat transfer and pressure drop performance, both in condensation and vaporisation. [68] It has an atmospheric lifetime of nearly 5 years. [69] Currently used in residential and commercial air-conditioners and heat pumps. R-134a HFC ...
1,1,1,2-Tetrafluoroethane (R-134a) This page was last edited on 12 January 2024, at 04:03 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4 ...
In January 2006, the Linde Group made a preliminary proposal to acquire BOC based on a £15 per share all-cash offer, which was rejected by the BOC board of directors. In March 2006, the second proposal based on a £16 per share all-cash offer, valuing the company at £8.2bn (US$14.4bn; €12bn), was accepted and takeover was completed on 5 ...
R-407A is a mixture of gasses used as a refrigerant.It is a zeotropic blend of difluoromethane (HFC-32), pentafluoroethane (HFC-125) and 1,1,1,2-tetrafluoroethane (HFC-134a). [1]
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