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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

2-methylpropane-2-thiol is not inhibitory to micro-organisms in a closed bottle ready biodegradation test at a concentration of 1 mg/l.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
1 mg/L

Additional information

Gancet (2010) is a GLP-compliant, 63 day, static freshwater study following OECD guideline 301D - closed bottle ready biodegradability test. A reference flask showed that micro-organisms were not inhibited at a concentration of 1 mg/l. The ready biodegradability study has a reference flask to measure inhibition of micro-organisms and so is considered reliable and suitable for use.