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Thailand - Final Regulatory Action
Methyl parathion CAS number:
Date circular:

Chemical name: O,O-Dimethyl O-4-nitrophenyl phosphorothioate

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:

All formulations and uses were 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:

Banned for import, production, having in possession and use as agricultural pesticide.

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

Summary of known hazards and risks to human health:

Very high acute toxicity, extremely hazardous and risk to workers in formulating plants and to farmers during application.

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

Reduce risk to farmers during application because parathion-methyl is an extremely hazardous chemical.

Date of entry into force of the final regulatory action: 19/10/2004