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Malaysia - Final Regulatory Action
Paraquat CAS number:
Date circular:

Chemical name: 4,4'-Bipyridinium, 1,1'-dimethyl-

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:

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

Summary of the final regulatory action:

Circular was issued on May 16 2014 informing the termination of paraquat dichloride registration in Malaysia on 1 January 2020. The use of paraquat dichloride was banned since January 1, 2020.

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

Summary of known hazards and risks to human health:

Highly toxic via ingestion, one teaspoonful of paraquat is fatal. Follllowinnng ingestion of very small amounts of the liquid concentrate, pulmonary oedema, cardiac failure, renal failure, liver failure and convulsions caused by central nervous system involvement, can occur. Under these circumstances, death from multiple organ failure may follow within hours or days. There is no antidote for paraquat.
Long-term and delayed health effects may also occur including Parkinson's diseases, lung effects and skin cancer.

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

Poisoning cases to public citizen, consumers and bystanders can be reduced dramatically.

Date of entry into force of the final regulatory action: 01/01/2020