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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Additional information

The toxicity of 4 -Nitrophenol on higher plants has been extensively reviewed by international groups of experts, i.e. BUA report No.75 (1992) and IPCS CICAD (2000). In studies according to the OECD Guideline 208 the 14 -day EC50 values for reduced fresh weight of grown shoots, after incubation of seeds with different test concentrations, were in the range of 35 -260 mg/L (Ballhorn et al. 1984, Marquart et al. 1984; cited from the IPCS CICAD 2000). Overall, turnip (Brassica rapa) proved to be the more sensitive species than oat (Avena sativa).