Nitric Acid
CAS Number
7697-37-2Synonym
Aqua fortis; Azotic acid; Engraver's acid; Hydrogen nitrate; Nital; Nitrous fumes; Nitryl hydroxide
Occurrence/Use
Nitration reagent, oxidizing agent, organic chemical synthesis, doping agent for organic semiconductors, etching and cleaning agent, steel and brass pickling, wood staining, photoengraving, gold and silver separation, military munitions; production of fertilizer, rocket fuel, pharmaceuticals
Acute RELs
| Acute REL (μg/m3): | 86 |
|---|---|
| Species: | Human |
| Acute REL Toxicologic Endpoint: | Respiratory irritation |
| Acute REL Target Organs: | Respiratory system |
| Severity: | Mild |
| Last Acute REL Revision: | 1999 |
| Acute Reference Exposure Levels Comments: |
OEHHA 2008. Technical Supporting Document for Noncancer RELs, Appendix D2. |