309079

Nitric acid

red, fuming, HNO₃ >90 %

• Empirical Formula (Hill Notation): HNO₃
• CAS Number: 7697-37-2
• Molecular Weight: 63.01
• MDL number: MFCD00011349
• UNSPSC Code: 12352106
• PubChem Substance ID: 329753601
• NACRES: NA.21

Properties

• vapor pressure: 8 mmHg ( 20 °C)
• Quality Level: 100
• assay: 5.0-10.0% (% N₂O₃, titration)
• form: liquid
• composition: HNO₃, >90%
• impurities: 5-10% dissolved oxides as N₂O₃
• color: red
• pH: <1 (20 °C)
• bp: 120.5 °C (lit.)
• density: 1.48 g/mL at 20 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: O[N+]([O-])=O
• InChI: 1S/HNO3/c2-1(3)4/h(H,2,3,4)
• InChI key: GRYLNZFGIOXLOG-UHFFFAOYSA-N

Description

General description

Nitric acid is an oxidizing agent used in the oxidation and nitration of organic molecules.

Application

Nitric acid can be used as:

• A catalyst for the aerobic conversion of benzyl ethers to benzaldehydes.
• An oxidant for the oxidative bromination of activated aromatic compounds using alkali metal bromide salts to synthesize corresponding bromo-derivatives.

Safety Information

• pictograms: GHS03,GHS06,GHS05
• signalword: Danger
• hcodes: H272,H290,H311,H314,H330
• pcodes: P210 - P220 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 2 - Skin Corr. 1
• supp_hazards: EUH071
• Storage Class: 5.1A - Strongly oxidizing hazardous materials
• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable