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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The 96h-LC50 for p-TSC is greater than 100 mg/L at neutral pH.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
100 mg/L

Additional information

One study valid without restriction is available. The study was performed according to OECD guideline 203 with Oryzias latipes. The test substance is not toxic to fish as can be seen from the preliminary test with adjusted pH. No fish died at 100 mg/L. Therefore the 96h-LC50 for p-TSC is greater than 100 mg/L.

Another study, valid with restrictions, is available with Danio rerio according to OECD 203. This study was performed as alimit test and gave a 96h-LC50 greater than 1009 mg/L, but as no chemical analysis were performed this study is not used as key.