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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

phototransformation in air
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
no guideline available
Principles of method if other than guideline:
AOP rate estimation, based on the Atkinson method.
GLP compliance:
>= 0.28 - <= 1.75 d
Test condition:
c(OH): 5 E5/cm3

Description of key information

calculated with 5 E5 OH-radicals/cm3

kOH(range) = (9.2-56.2) E-12 cm3/molecule-sec

half-life(range): (0.28-1.75) days

Key value for chemical safety assessment

Additional information