Registration Dossier
Registration Dossier
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EC number: 248-093-9 | CAS number: 26896-20-8
Phototransformation in air
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
Indirect photochemical degradation of neodecanoic acid as mediated by OH-attack is estimated to have a half-life of 1.4 days or 17.0 hours based on a 12 -hour sunlight day, a rate of 7.55E-12 cm3/molecule*sec. A 12-hour day half-life value normalizes degradation to a standard day light period during which hydroxyl radicals needed for photolysis are generated in the atmosphere. Although NDA has the potential to degrade rapidly by OH-attack, modeling results indicate limited partitioning of NDA (2.57%) to the air compartment as well as a relatively short atmospheric oxidation half-life (17.0 hours). Consequently this process is unlikely to contribute significantly to the loss of NDA from the environment.
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