Registration Dossier

Diss Factsheets

Ecotoxicological information

Toxicity to microorganisms

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

The mean concentration of the test material which began to inhibit growth of the test organism was 17% WAF. This corresponds to about 2ppm expressed as Total Organic Carbon, which in turn corresponds to 2.2 mg DCPD/L. The estimated EL50 value from TLM QSAR towards activated sludge is 102.533 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
102.533 mg/L
EC10 or NOEC for microorganisms:
2.2 mg/L

Additional information

One study was available for review for toxicity to microorganisms. This is a WAF, GLP compliant study which followed a standard method and is considered adequate for assessment

The aquatic toxicity of this substance was estimated using the Target Lipid Model based on methodologies described by Mcgrath et al. (2004).The estimated 72-hr EL50 value for activated sludge is 102.533 mg/L.