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EC number: 812-653-6 | CAS number: 68441-94-1
Phototransformation in air
Administrative data
Link to relevant study record(s)
Description of key information
Phototransformation in air is not relevant due to low vapour pressure (< 0.001 Pa).
Key value for chemical safety assessment
Additional information
Based on an estimation using AOPWIN v1.92 for the main components, reaction mass of Heptanoic acid 3-pentanoyloxy-2,2-bis-pentanoyloxymethyl-propyl ester, Heptanoic acid 2-heptanoyloxymethyl-3-pentanoyloxy-2-pentanoyloxymethyl-propyl ester and Heptanoic acid 3-heptanoyloxy-2-heptanoyloxymethyl-2-pentanoyloxymethyl-propyl ester (former CAS 68441-94-1) is susceptible to indirect photodegradation in air. The estimated half time for the reaction with OH-radicals is 12.422-19.552 hours (24 hr day; OH-concentration 0.5E+06 OH/cm³). However, indirect photodegradation in air is not a relevant route since the substance is not likely to be present in the atmosphere due to the low vapor pressure. As this study is not a standard information requirement in REACh and there is no indication from the Chemical Safety Assessment (CSA) on the need to investigate further the fate and behavior of the substance, no further testing is considered necessary for the substance.
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