Arsenic (inorganic)
CAS Number
7440-38-2Synonym
Arsenic, inorganic; Arsenic black; Arsenic-75; Colloidal arsenic; Gray arsenic; Inorganic arsenic compounds; Metallic arsenic
Occurrence/Use
Wood preservative, herbicide, nonferrous alloys, medicine (leukemia treatment); component of tobacco smoke. Formerly used in optical glass.
Acute RELs
| Acute REL (μg/m3): | 0.2 |
|---|---|
| Species: | Mouse |
| Acute REL Toxicologic Endpoint: | Reproductive/ development (decreased fetal weight); altered brain structure and funtion |
| Acute REL Target Organs: | Reproductive/ development, cardiovascular system, nervous system |
| Severity: | Severe |
| Last Acute REL Revision: | July 2014 |
| Acute Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D1. |
8-Hour RELs
| 8-Hour Inhalation REL (μg/m3): | 0.015 |
|---|---|
| Last 8-Hour REL Revision: | July, 2014 |
| 8-Hour Reference Exposure Levels Comments: |
OEHHA 2013. Technical Support Document for Noncancer RELs, Appendix D1. |
Chronic REL
| Chronic Inhalation REL (μg/m3): | 0.015 (inhalation); 0.0035 μg/kg BW-day (oral) |
|---|---|
| Chronic Target Organs: | Reproductive/ development; cardiovascular system; nervous system; lung; skin |
| Human Data: | Yes |
| Last Chronic REL Revision: | July 2014 |
| Chronic Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D1. |