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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

Key study was conducted under OECD guideline 209 and performed under GLP.  This study used aq. TBHP-70 as the test substance. 

Key value for chemical safety assessment

EC50 for microorganisms:
17 mg/L

Additional information

The key results of the ASRIT study show that TBHP is moderately toxicity to microorganisms with EC50 value of 17 mg/l (respiration inhibition). The key parameter EC50 has been expressed in terms of dry TBHP.