Nitric acid
ALDRICH/225711 - 70%, purified by redistillation, ≥99.999% trace metals basis
Synonym: Aqua fortis; Azotic acid; Hydrogen nitrate
CAS Number: 7697-37-2
Empirical Formula (Hill Notation): HNO3
Molecular Weight: 63.01
MDL Number: MFCD00011349
Linear Formula: HNO3
Product Type: Chemical
| assay | ≥99.999% trace metals basis |
| 70% | |
| bp | 120.5 °C (lit.) |
| color | colorless |
| density | 1.413 g/mL at 20 °C (lit.) |
| form | liquid |
| functional group | nitrate |
| InChI | 1S/HNO3/c2-1(3)4/h(H,2,3, |
| InChI key | GRYLNZFGIOXLOG-UHFFFAOYSA |
| pH | <1.0 |
| purified by | redistillation |
| Quality Level | 100 ![]() |
| SMILES string | O[N+]([O-])=O |
| vapor density | 1 (vs air) |
| vapor pressure | 8 mmHg ( 20 °C) |
| Application: | Nitric acid used as a reagent in: • The nitration of aromatic compounds, aromatic heterocycles, alkenes, active methylene carbons, etc. • Selective oxidation of organosulfur compounds to corresponding sulfoxides using a solid acid catalyst. • The oxidation of alcohols, aldehydes, esters, and heteroatoms. • The aromatization and dehydrogenation reactions. |
| General description: | Nitric acid is generally used as a primary reagent for the nitration of organic molecules. It is also used as a strong oxidizing agent in organic synthesis to perform the oxidative transformations. |
| Packaging: | 475 mL in glass bottle |
| Symbol | ![]() ![]() GHS03,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H272 - H290 - H314 - H331 |
| Precautionary statements | P210 - P220 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | O,C |
| Risk Statements | 8-35 |
| Safety Statements | 36/37/39-45-63 |
| RIDADR | UN 2031A 5.1(8) / PGI |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Supplemental Hazard Statements | EUH071 |
| Purity | ≥99.999% trace metals basis; 70% |
| bp | 120.5 °C (lit.) |
| Density | 1.413 g/mL at 20 °C (lit.) |
| UNSPSC | 12352301 |




