Registration Dossier
Registration Dossier
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EC number: 214-244-2 | CAS number: 1117-31-3
Phototransformation in air
Administrative data
Link to relevant study record(s)
Description of key information
DT50: 52.60 h (24 h day; OH-concentration: 0.5E+06 OH/cm³) (AOPWIN v1.92)
Key value for chemical safety assessment
Additional information
No experimental studies investigating the phototransformation in air of 1,3-butylene diacetate (CAS 1117-31-3) are available. Results from AOPWIN v1.92 indicate that the substance is susceptibe to indirect photodegradation in air (Müller, 2011). The estimated half-life for the reaction with OH-radicals is 52.60 h (24 h day; OH-concentration: 0.5E+06 OH/cm³). However, 1,3-butylene diacetate is not expected to be present in the atmosphere in relevant amounts based on the and low volatilisation potential indicated by a Henry’s Law Constant of < 1 Pa m³/mole and the vapour pressure of 16.61 Pa.
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