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Thailand - Final Regulatory Action
Mephosfolan CAS number:
950-10-7
Date circular:
12/12/2001

Chemical name: Phosphoramidic acid, (4-methyl-1,3-dithiolan-2-ylidene)-, diethyl ester

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 by the final regulatory action.

Pesticide use or uses that remain allowed:

None.

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:

Extremely hazardous to workers during formulating and application by spraying because of very high acute toxicity. Evidence of reduction in erythrocyte and brain cholinesterase activity in animal test indicates very high risk to human.

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

No poisoning case caused by mephospholan is reported. Risk of reduction in erythrocyte and brain cholinesterase activity is reduced.

Date of entry into force of the final regulatory action: 24/06/2000