Formaldehyde
CAS Number
50-00-0Synonym
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
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).