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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Short-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Description of key information

key study: k_Scheerbaum_2006: LC50(96 h) = 0.829 mg/L; NOEC (96 h) = 0.243 mg/L.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
0.83 mg/L

Additional information

The short-term toxicity test to fish (Scheerbaum_2006) performed according to OECD 203 and GLP was rated with RL=1 (reliable without restrictions) and used as a key study. The results indicate that SymHelios® 1031 was toxic to Zebrafish after 96 hours at a concentration > 0.243 mg/L (geometric mean measured concentration) and greater. The LC50(96 hours) was 0.829 (95% CL: 0.718-0.956 mg/L) mg/L. The NOEC after 96 hours was 0.243 mg/L (geometric mean measured concentration).