Registration Dossier
Registration Dossier
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EC number: 421-090-1 | CAS number: 131298-44-7 Isodecyl benzoate
Phototransformation in air
Administrative data
Link to relevant study record(s)
Description of key information
Rate constant: 14.2 E-12 cm3/molecule-sec
Degradation: 50% after 9.0 h
Key value for chemical safety assessment
- Half-life in air:
- 9 h
Additional information
Indirect photochemical degradation of isodecyl benzoate as mediated by OH-attack is estimated to have a half-life of 9.0 hours based on a rate of 14.2 E-12 cm3/molecule-sec, and
an average OH- concentration of 1.5E6 OH-/cm3. Although isodecyl benzoate has the potential to degrade rapidly by OH-attack, isodecyl benzoate is unlikely to partition to the air compartment because it has a low vapor pressure (0.00845Pa). Although isodecyl benzoate has a relatively short atmospheric oxidation half-life (9.0 hours), this process is unlikely to contribute significantly to the loss of IDB from the environment.
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