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Acetaldehyde

CAS Number

75-07-0

Synonym

Acetic aldehyde; Ethanal; Ethyl aldehyde

Occurrence/Use

Chemical intermediate in the production of perfumes, resins, and dyes; fruit and fish preservative, flavoring agent, denaturant for alcohol; solvent; component of tobacco smoke

Date Added

04/01/1988
C2H4O

Cancer Potency Information

Latest Criteria: 
Reference Exposure Levels
Inhalation Unit Risk (μg/cubic meter)-1: 
2.7 E-6
Inhalation Slope Factor (mg/kg-day)-1: 
1.0 E-2
Comments/References: 

OEHHA 2009. Air Toxics Hot Spots Program Technical Support Document for Cancer Potencies. Appendix B. Chemical-specific summaries of the information used to derive unit risk and cancer potency values. Updated 2011.

Air

Acute RELs

Acute REL (μg/m3): 
470
Species: 
Human
Acute REL Toxicologic Endpoint: 
Respiratory and eye irritation
Acute REL Target Organs: 
Respiratory system; eyes
Last Acute REL Revision: 
2008
Acute Reference Exposure Levels Comments: 

8-Hour RELs

8-Hour Inhalation REL (μg/m3): 
300
Last 8-Hour REL Revision: 
2013
8-Hour Reference Exposure Levels Comments: 

Chronic REL

Chronic Inhalation REL (μg/m3): 
140
Chronic Target Organs: 
Respiratory system
Human Data: 
No
Last Chronic REL Revision: 
2008
Chronic Reference Exposure Levels Comments: 

Proposition 65

Chemical Status

Cancer: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
04/01/1988
Basis for Listing: 
State's Qualified Experts

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL) - Inhalation: 
90 µg/day