Registration Dossier

Ecotoxicological information

Long-term toxicity to fish

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

NOEC = 0.91 mg/L (growth rate)

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
0.91 mg/L

Additional information

The long-term effects of NOP (CAS 2687 -94 -7) was studed in a flow-through GLP-test according to OECD guideline 215 (fish, juvenile growth test) using Danio rerio as test species (BASF AG, 2003; report no. 44F0525/015120). The fish were exposed under flow-through conditions. Test concentrations were analytically monitored. The mean recovery was between 53 and 111% of nominal values. After 35 days of exposure a NOEC of 0.91 mg/L was estimated on mean measured concentrations, related to the endpoint growth rate. No mortality, toxic symptoms or abnormalities were observed (35 -d NOEC >= 11.1 mg/L).