Sodium Hydroxide
CAS Number
1310-73-2Synonym
Caustic soda; Soda lye; Sodium hydrate
Occurrence/Use
Chemical base, acid neutralizer, caustic cleaning agent, solvent, production of paper or fibers (kraft pulping), tissue digestion, dissolving amphoteric metals, saponification (production of hard soap), manufacture of fabric and plastic, food processing, livestock management (cattle dehorning)
Cancer Potency Information
| Latest Criteria: | Acute Reference Exposure Levels |
|---|
Air
Acute RELs
| Acute REL (μg/m3): | 8 |
|---|---|
| Species: | Human |
| Acute REL Toxicologic Endpoint: | Skin, eye, and respiratory irritation |
| Acute REL Target Organs: | Eyes; skin; respiratory system |
| Severity: | mild |
| Last Acute REL Revision: | 1999 |
| Acute Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D2. |