1,3-Butadiene
CAS Number
106-99-0Synonym
Vinylethylene; Erthrene; Bivinyl; Divinyl
Occurrence/Use
Polymer component in production of synthetic rubber, plastic, and fuel; chemical intermediate (nylon); component of tobacco smoke
Acute RELs
| Acute REL (μg/m3): | 660 |
|---|---|
| Species: | Mouse |
| Acute REL Toxicologic Endpoint: | Development (low male fetal weight) |
| Acute REL Target Organs: | Development |
| Severity: | Severe |
| Last Acute REL Revision: | 2013 |
| Acute Reference Exposure Levels Comments: |
8-Hour RELs
| 8-Hour Inhalation REL (μg/m3): | 9 |
|---|---|
| Last 8-Hour REL Revision: | 2013 |
| 8-Hour Reference Exposure Levels Comments: |
OEHHA 2013. Technical Support Document for Noncancer RELs, Appendix D1. Updated July 2014. |
Chronic REL
| Chronic Inhalation REL (μg/m3): | 2 |
|---|---|
| Chronic Target Organs: | Reproductive system |
| Human Data: | No |
| Last Chronic REL Revision: | 2013 |
| Chronic Reference Exposure Levels Comments: |