nitrous acid

HNO2 — CID 24529

IUPACnitrous acid
SMILESO=NO
InChIInChI=1S/HNO2/c2-1-3/h(H,2,3)
InChIKeyIOVCWXUNBOPUCH-UHFFFAOYSA-N
MW47.01 g/mol
LogP0.14
Rot. Bonds

About nitrous acid

nitrous acid (PubChem CID 24529) has the molecular formula HNO2 and a molecular weight of 47.01 g/mol. Its IUPAC name is nitrous acid.

Molecular Properties

Compound Namenitrous acid
PubChem CID24529
Molecular FormulaHNO2
Molecular Weight47.01 g/mol
Exact Mass47.00
IUPAC Namenitrous acid
SMILESO=NO
InChIInChI=1S/HNO2/c2-1-3/h(H,2,3)
InChIKeyIOVCWXUNBOPUCH-UHFFFAOYSA-N
XLogP0.14
TPSA49.66 Ų
H-Bond Donors1
H-Bond Acceptors2
Rotatable Bonds
Heavy Atoms3
Complexity—

Lipinski Rule of Five

Passes Rule of Five

RuleValue
MW ≤ 50047.01
LogP ≤ 50.14
H-Bond Donors ≤ 51
H-Bond Acceptors ≤ 102

Computed Properties (RDKit)

Structural Alerts{'alert_name': 'Oxygen-nitrogen_single_bond', 'substructure': 'N/A'}

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Frequently Asked Questions

What is the IUPAC name of nitrous acid?
The IUPAC name of nitrous acid (CID 24529) is nitrous acid.
What is the SMILES notation for nitrous acid?
The canonical SMILES for nitrous acid is O=NO.
What is the InChIKey of nitrous acid?
The InChIKey is IOVCWXUNBOPUCH-UHFFFAOYSA-N. The full InChI is InChI=1S/HNO2/c2-1-3/h(H,2,3).
What are the key properties of nitrous acid?
nitrous acid has a molecular weight of 47.01 g/mol, XLogP of 0.14, 0 rotatable bonds, 1 hydrogen bond donors, and 2 hydrogen bond acceptors.
Where does this data come from?
All data for nitrous acid is sourced from PubChem (CID 24529), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).