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EC number: 468-710-7 | CAS number: 754-12-1
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Administrative data
Description of key information
Additional information
HFO-1234yf is phototransformed in the air with ~ 100% degradation observed by 11 days. Based on structure activity analysis, HFO-1234yf would not be expected to hydrolyze in water.
The OH initiated oxidation of CF3CF=CH2gives CF3C(O)F and HCHO in almost quantitative yields. CF3C(O)F is removed from the atmosphere via hydrolysis that occurs at a time scale of about 10 days to give CF3C(O)OH, just like HFC-134a (CF3CH2F). The available data suggest that while CF3C(O)OH is not a natural component of the freshwater environment, it is a natural component of the background oceanic environment, and any additional burden associated with CF3CF=CH2oxidation will be of negligible environmental significance. Similarly HC(O)H decomposes to H2O and CO, the latter oxidizing to CO2in the atmosphere.
HFO-1234yf is not readily biodegradable, has low global warming potential (GWP<1 [based on fifth IPCC assessment]) and will not deplete the ozone (ozone depleting potential = 0).
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