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Environmental fate & pathways

Phototransformation in air

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Description of key information

AOPWIN v1.92: DT50 = 0.098 days (12-hr day); overall OH rate constant 109.1030 E-12 cm³/molecule*sec

Key value for chemical safety assessment

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

Additional information

Although this endpoint represents no mandatory requirement in accordance with REACH Regulation (EC) 1907/2006, the half-life in air as well as the overall OH rate constant have been estimated by AOPWIN v1.92 (Chemservice S.A., 2016). The estimated half-life is based on the reaction with OH radicals (concentration = 1.5 E6 molecule/cm3). The overall OH rate constant is estimated as 109.1030 E-12 cm3/molecule*sec. 50 % degradation occurs within 0.098 days, taking a 12 hour-day into account.

The substance is not supposed to react neither with ozone nor nitrate radicals.