A weight-of-evidence approach to assess chemicals: case study on the assessment of persistence of 4,6-substituted phenolic benzotriazoles in the environment

Environmental Sciences Europe

Table 7 Fragments to be considered for qualitative assessment of degradation times

Substance	R1		R2		R3
Substance	Name	Value of fragment within BIOWIN3	Name	Value of fragment within BIOWIN3	Name
M1	Tert-butyl	−0.34	n-Propionic acid	+0.20	Hydrogen
UV-350	Sec-butyl	−0.13	Tert-butyl	−0.34	Hydrogen
UV-328	Tert-pentyl	−0.37	Tert-pentyl	−0.37	Hydrogen
UV-320	Tert-butyl	−0.34	Tert-butyl	−0.34	Hydrogen
UV-327	Tert-butyl	−0.34	Tert-butyl	−0.34	Chlorine