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Nitrogen Dioxide

CAS Number

10102-44-0

Synonym

Nitrito; Nitro; Nitrogen dioxide (liquid, NO2); Nitrogen peroxide

Occurrence/Use

Nitrating agent; component of rocket fuel; chemical intermediate in formation of nitric acid; component of internal-combustion engine exhaust and tobacco smoke

Nitrogen Dioxide

Cancer Potency Information

Latest Criteria: 
Acute Reference Exposure Levels

Air

Acute RELs

Acute REL (μg/m3): 
470
Species: 
Human
Acute REL Toxicologic Endpoint: 
Respiratory irritation
Acute REL Target Organs: 
Respiratory system
Severity: 
Mild
Last Acute REL Revision: 
1999
Acute Reference Exposure Levels Comments: