Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

48h-acute toxicity of 2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethane-1-sulfonic acid--potassium (TA-1) to Daphnia magna, semi-static conditions, nominal concentrations: 0, 120 mg/L for 48h. 48h EC50 > 120 mg/L based on immobilisation, read-across

72h-acute toxicity study to aquatic algae and cyanobacteria, OECD guideline 201 (2011), Pseudokirchneriella subcapitata, nominal concentrations

2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethane-1-sulfonic acid--potassium (TA-1): 0, 250 mg/L; geometric mean measured concentration 186 mg/L, static conditions, NOEC and EC50 based on algal growth were> 186 mg/L (geo. mean measured value), NOEC and EC50 based on yield were> 186 mg/L (geo. mean measured value), read-across


Additional information