Nitric acid

HNO3CAS 7697-37-263.01 g/mol

Open in Covalent MOL file
ON+O−OH
Nitro

Properties

Molecular formula
HNO3
Molar mass
63.01 g/mol
Exact mass
62.9956 Da
Density
1.55 g/mL
Melting point
−41.6 °C
Boiling point
83 °C
pKa
-1.38
Water solubility
miscible
logP
-0.35Crippen estimate
Polar surface area
63.4 Ų
H-bond donors / acceptors
1 / 2
Rotatable bonds
0

Hazards

Danger
Oxidizer (GHS03)Corrosive (GHS05)Acute Toxic (GHS06)

Harmonised EU classification (CLP Annex VI, index 007-004-00-1), via PubChem.

Precautionary statements

P210, P220, P260, P264, P271, P280, P284, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P363, P370+P378, P403+P233, P405, P501

Identifiers

CAS number
7697-37-2
SMILES
O=[N+]([O-])O
InChIKey
GRYLNZFGIOXLOG-UHFFFAOYSA-N
InChI
InChI=1S/HNO3/c2-1(3)4/h(H,2,3,4)

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

9 names
  • Aqua fortis
  • Azotic acid
  • Hydrogen nitrate
  • Nitryl hydroxide
  • Nital
  • Nitric acid (HONO2)
  • Fumic acid
  • NSC 147791
  • NSC 15203

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 7697-37-2. Each row opens the sheet with its composition and PDF.

Open in the SDS library

Work with Nitric acid

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Palladium(II) nitrate10102-05-380 % similar Rhodium(III) nitrate10139-58-980 % similar Zirconium nitrate13746-89-980 % similar Thorium(IV) nitrate13823-29-580 % similar Platinum dinitrate18496-40-780 % similar Ammonium nitrate6484-52-280 % similar Rhodium trinitrate dihydrate13465-43-567 % similar Zinc nitrate hydrate13778-30-867 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia