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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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.

Diss Factsheets

Environmental fate & pathways

Phototransformation in air

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Administrative data

Link to relevant study record(s)

Description of key information

Rate constant: 0.0000000000001733 cm³/(molecule*sec) 
Degradation: 50% after 7.405 hours (0.617 days)

Key value for chemical safety assessment

Additional information

The photodegradation half-life of isoundecanol (Alcohols, C9 -C11, branched) as mediated by OH- attack is estimated as 0.617 days or 7.405 hours based on a 12 -hour sunlight day, a degradation rate of 1.733 E-13 cm³/molecule*sec, and an average OH-concentration of 1.5E6 OH-/cm3