NX0412

Nitric Acid

• Synonym(s): Nitric acid solution, Hydrogen Nitrate, Azotic Acid,Aqua Fortis, Aquafortis
• Empirical Formula (Hill Notation): HNO₃
• CAS Number: 7697-37-2
• Molecular Weight: 63.01
• MDL number: MFCD00011349
• UNSPSC Code: 12352301

Properties

• vapor pressure: 9.4 hPa ( 20 °C)
• Quality Level: 200
• concentration: 64.8-65.2% HNO₃
• impurities: ≤0.005 ppm Arsenic (As); ≤0.08 ppm Chloride (Cl); ≤0.08 ppm Sulfate (SO₄); ≤0.2 ppm Heavy metals (as Pb); ≤0.2 ppm Iron (Fe); ≤0.2 ppm Phosphate (PO₄); ≤1 ppm Fluorine (F); ≤5 ppm Nonvolatile matter
• pH: <1 (20 °C in H₂O)
• bp: 121 °C/1013 hPa
• mp: -32 °C
• shipped in: ambient
• storage temp.: room temp
• SMILES string: O[N+]([O-])=O
• InChI: 1S/HNO3/c2-1(3)4/h(H,2,3,4)
• InChI key: GRYLNZFGIOXLOG-UHFFFAOYSA-N

Description

Analysis Note

Arsenic (As): 0.005ppm max
Assay: 64.8-65.2% by wt.
Chloride (Cl): 0.08ppm max
Fluorine (F): 1ppm max
Heavy metals (as Pb): 0.2ppm max
Iron (Fe): 0.2ppm max
Nonvolatile matter: 5ppm max
Phosphate (PO4): 0.2ppm max
Sulfate (SO4): 0.08ppm max

Safety Information

• pictograms: GHS03,GHS06,GHS05
• signalword: Danger
• hcodes: H272,H290,H314,H331
• pcodes: P210 - P220 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1A
• supp_hazards: EUH071
• Storage Class: 5.1B - Oxidizing hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable