Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 468-710-7 | CAS number: 754-12-1
Endpoint summary
Administrative data
Description of key information
Additional information
The following information is taken into account for any hazard / risk / persistency assessment:
The lifetime of HFO-1234yf in the atmosphere is 10 days indicating it will not persist in the atmosphere.
The OH initiated oxidation of CF3CF=CH2 gives 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 134a (CF3CH2F) does. 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.
Value used for CSA:
HFO-1234yf is not expected to persist in the atmosphere.
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