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Uruguay - Final Regulatory Action
Methyl parathion CAS number:
298-00-0
Date circular:
12/12/2019

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 Severely Restricted

Use or uses prohibited by the final regulatory action:

Capsule suspension formulation at 450 g/l concentration, for application in apple, pear, peach and citrus.

Pesticide use or uses that remain allowed:

Ant killer (powder) 2%.

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

Summary of the final regulatory action:

Prohibited importation, registration and renewal of methyl parahtion plant protection products formulated as capsule suspension at 450 g/l.

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

Summary of known hazards and risks to human health:

Highly toxic by inhalation and ingestion (WHO Cat. 1b, fatal if inhaled (H330) and moderately toxic by dermal absorption. High occupational impact. Can be fatal at high doses.

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

Risk reduction for workers (60%) and consumers.

Summary of known hazards and risks to the environment:

Highly toxic for bees, invertebrates and worms; moderately toxic for birds and fish.

Expected effect of the final regulatory action in relation to the environment:

Less environment pollution reducing impact for fauna and beneficial animals.

Date of entry into force of the final regulatory action: 15/12/2016