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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The estimated KOH and t1/2 using AopWin v1.92 program (EPIWEB v 4.1) was found to be 5.46 x 10-11 cm3/molecule-sec and 0.06 days respectively.

Key value for chemical safety assessment

Half-life in air:
0.06 d
Degradation rate constant with OH radicals:
0 cm³ molecule-1 s-1

Additional information

The value of the KOH and t1/2for amides, C16-18 (even numbered) and C18-unsatd., N,N-bis(hydroxyethyl) was calculated on a weighted-average basis using the mole fractions of the individual components. The hydroxyl radical reaction half-life estimation value was calculated using AopWin v1.92 program of EPIWEB v 4.1. The estimated KOH and t1/2was found to be 5.46 x 10-11cm3/molecule-sec and 0.06 days respectively.