Formaldehyde

CAS Number

50-00-0

Synonym

Dormol; Fannoform; Formalin; Formic Aldehyde; Fyde; Ivalon; Karsan; Lysoform; Methanal; Methyl aldehyde; Methylene oxide; Morbicid; Oxymethylene; Superlysoform; Veracur; EPA Pesticide Code: 043001

Occurrence/Use

Disinfectant (antibacterial, fungicide), tissue fixative, photography (color negative stabilizer), textile treatment; precursor to polyfunctional alcohols; production of urea and melamine resins, phenolic resin, plastics, adhesives, preservatives, pressed wood products, automobile components; byproduct of combustion, component of tobacco smoke

Formaldehyde

Cancer Potency Information

Inhalation Unit Risk (μg/cubic meter)-1: 6.0 E-6
Inhalation Slope Factor (mg/kg-day)-1: 2.1 E-2
Oral Slope Factor (mg/kg-day)-1: 2.1 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): 55
Species: Human
Acute REL Toxicologic Endpoint: Eye irritation
Acute REL Target Organs: Eyes
Severity: Mild
Last Acute REL Revision: 2008
Acute Reference Exposure Levels Comments:

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D1. Updated July 2014. Listed as Formaldehyde.

8-Hour RELs

8-Hour Inhalation REL (μg/m3): 9
Last 8-Hour REL Revision: 2008
8-Hour Reference Exposure Levels Comments:

OEHHA 2013. Technical Support Document for Noncancer RELs, Appendix D1. Updated July 2014. Listed as Formaldehyde.

Chronic REL

Chronic Inhalation REL (μg/m3): 9
Chronic Target Organs: Respiratory system
Human Data: Yes
Last Chronic REL Revision: 2008
Chronic Reference Exposure Levels Comments:

OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D1. Updated July 2014. Listed as Formaldehyde.

Proposition 65

Chemical Status

Cancer: Currently listed

Cancer

Cancer - Listing Mechanism
State's Qualified Experts
Listed as causing : Listed as causing: Cancer
Date of Listing:

Safe Harbor Levels

No Significant Risk Level (NSRL)
40 µg/day
Cancer

Comments

Listed as Formaldehyde (gas).

Public notices related to this chemical