Hazardous substance assessment – 4,4’-Methylenediphenyl diisocyanate

Hazardous substance assessments are technical documents produced by Health Canada as educational and information resources for suppliers of hazardous products under the Hazardous Products Act (HPA) and its regulations.

Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 17:36 (UTC)
Created April 17, 2026, 17:36 (UTC)
criticality_level []
geographic_scope []
open_canada_collection publication
open_canada_date_published 2023-09-28 00:00:00
open_canada_keywords {"fr": ["Évaluations des substances dangereuses", "Règlement sur les produits dangereux", "RPD", "modifications du RPD", "diisocyanate de 4", "4'-méthylènediphényle"], "en": ["Hazardous substance assessments", "Hazardous Products Regulations", "HPR", "HPR amendments", "4 4", "Methylenediphenyl diisocyanate"]}
open_canada_subject ["health_and_safety"]
sensitivity_level unrestricted
title_fr Évaluation de substance dangereuse – Diisocyanate de 4,4'-méthylènediphényle
update_frequency as_needed