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Uruguay - Final Regulatory Action
Paraquat dichloride CAS number:
Date circular:

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

Final regulatory action has been taken for the category: Pesticide

Final regulatory action: The chemical is Severely Restricted

Use or uses prohibited by the final regulatory action:

All products meeting the following specifications:
- Concentration d'ingrdient actif infrieure 28% p/v
- Prparation colore en bleu
- - Formulacin Coloreada de azul
- Envase: volume minime: 1 litre
volume minimal: 30 litres

Pesticide use or uses that remain allowed:

All products except those meeting the following specifications:
- Active ingredient concentration not higher than 28% p/v
- Blue coloured formulation
- Packing: minimum size: 1 litre
maximum size: 30 litres

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

Summary of the final regulatory action:

Having assessed the toxicological, environmental and phytosanitary aspects of Paraquat formulated herbicides, and proving that these products are extremely hazardous due to their high acute toxicity, it is resolved to limit the active ingredient concentration, packaging size and formulation colour.

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

Summary of known hazards and risks to human health:

Was performed on the basis of the inherent properties of paraquat formulations, particularly its high acute toxicity that poses a risk to the health of rural workers and to the general population

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

Limit the use of paraquat-based products, thus minimizing the health risks arising from their employment

Date of entry into force of the final regulatory action: 26/05/1992