Polymeric Methylene Diphenyl Diisocyanate

CAS Number

9016-87-9

Synonym

Poly MDI

Occurrence/Use

Production of rigid polyurethane

Date Added

Polymeric Methylene Diphenyl Diisocyanate

Cancer Potency Information

Latest Criteria: Chronic Reference Exposure Levels

Air

Acute RELs

Acute REL (μg/m3): 12
Acute REL Toxicologic Endpoint: Respiratory system
Last Acute REL Revision: 03/28/2016
Acute Reference Exposure Levels Comments:

Notice of Adoption of Reference Exposure Levels for Toluene Diisocyanate and Methylene Diphenyl Diisocyanate

8-Hour RELs

8-Hour Inhalation REL (μg/m3): 0.16
Last 8-Hour REL Revision: 03/28/2016

Chronic REL

Chronic Inhalation REL (μg/m3): 0.08
Chronic Target Organs: Respiratory system
Last Chronic REL Revision: 03/28/2016