OSHAProposed Rule

Methylenedianiline

Labor & WorkplaceHealthcareEnvironment

Summary

OSHA is proposing new safety rules for methylenedianiline, a chemical used in manufacturing that can harm workers' health. The agency is asking for public feedback on how to better protect people who handle this chemical on the job.

Key Points

  • 1Methylenedianiline is a chemical used in producing plastics, paints, and other industrial products that can cause serious health problems including cancer and organ damage
  • 2This proposed rule would set new workplace safety standards to limit how much of this chemical workers can be exposed to
  • 3The rule affects factories, manufacturing plants, and other workplaces where employees handle or are near methylenedianiline
  • 4OSHA is accepting public comments until November 2, 2025, from workers, employers, safety experts, and anyone else with input on the proposal
  • 5Once finalized, the rule would require employers to monitor exposure levels, provide protective equipment, and keep records of worker safety

Key Dates

Published

August 20, 2025

Comment Deadline

November 2, 2025

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This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.

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