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Australia - Final Regulatory Action
Methazole CAS number:
Date circular:

Chemical name: 1,2,4-Oxadiazolidine-3,5-dione, 2-(3,4-dichlorophenyl)-4-methyl-

Final regulatory action has been taken for the category: Pesticide

Final regulatory action: The chemical is Banned

Use or uses prohibited by the final regulatory action:

Formulations were water dispersible granule and wettable powder. Both formulations and all uses are prohibited.

Pesticide use or uses that remain allowed:


The final regulatory action was based on a risk or hazard evaluation: Yes

Summary of the final regulatory action:

Registration of all products containing methazole was cancelled

The reasons for the final regulatory action were relevant to: Human health

Summary of known hazards and risks to human health:

New toxicological data revealed dose-related increases in the incidences of cataracts or lenticular opacities in rats' offspring. It was determined that exposure to methazole posed an undue human health risk.

Expected effect of the final regulatory action in relation to human health:

The action will reduce the health risks to workers in the onion growing industry and consumers.

Date of entry into force of the final regulatory action: 31/03/1996