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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

Effect Concentration 50% (EC50), 48h Daphnia magna: >500 mg/L

Key value for chemical safety assessment

Additional information

The acute toxicity of γ-butyrolactone (GBL) to aquatic invertebrates (Daphnia magna) has been tested according to EU Method C.2 and yielded an EC50 value of >500 mg/L (BASF, 1988). This result indicates that GBL exhibits a low order of acute toxicity to aquatic invertebrates.