polymeric methylene diphenyl diisocyanate

CAS Number

9016-87-9

Synonym

Poly MDI

Occurrence/Use

Production of rigid polyurethane

Polymeric Methylene Diphenyl Diisocyanate

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: 

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