azinic acid

• ChemBase ID: 128635
• Molecular Formular: HNO2
• Molecular Mass: 47.01344
• Monoisotopic Mass: 47.00072828
• SMILES: O=NO
• Canonical SMILES: ON=O
• InChI: InChI=1S/HNO2/c2-1-3/h(H,2,3)
• InChIKey: IOVCWXUNBOPUCH-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: azinic acid
• IUPAC Systematic name: Hydroxidooxidonitrogen
• IUPAC Traditional name: nitrous acid
• Synonyms: Nitrous acid

Database IDs

• CAS Number: 7782-77-6
• EC Number: 231-963-7
• PubChem SID: 162222942
• PubChem CID: 24529
• CHEBI ID: 25567
• CHEMBL: 1161681
• Chemspider ID: 22936
• Gmelin ID: 983
• KEGG ID: C00088
• MeSH Name: Nitrous+acid
• Wikipedia Title: Nitrous_acid

CALCULATED PROPERTIES

• Acid pKa: 3.3200002
• H Acceptors: 3
• H Donor: 1
• LogD (pH = 5.5): -1.8028829
• LogD (pH = 7.4): -2.2017875
• Log P: 0.16613764
• Molar Refractivity: 8.7217 cm^3
• Polarizability: 2.589894 Å^3
• Polar Surface Area: 49.66 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: Pale blue solution
• Melting Point: Only known in solution
• Flash Point: Non-flammable
• Density: Approx. 1 g/ml
• pKa: 3.398

Safety Information

• EU Index: Not listed