Back to Search

Molecule

Nitrogen Dioxide

CAS: 10102-44-0 · NO2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number
10102-44-0
Molecular Formula
NO2
Molecular Mass
46.01 g/mol

Identifiers

CAS Registry Number

10102-44-0

SMILES

[O]N=O

InChI Key

JCXJVPUVTGWSNB-UHFFFAOYSA-N

InChI

InChI=1S/NO2/c2-1-3

Names and Synonyms

  • Nitrogen Dioxide Synonym
  • Nitrogen oxide (NO2) Synonym
  • Nitrogen dioxide Synonym
  • Nitrito Synonym
  • Nitro Synonym
  • Nitrogen dioxide (NO2) Synonym
  • Nitrogen peroxide Synonym
  • Nitrite radical Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 46.01 g/mol CAS Common Chemistry
46.005 g/mol RDKit
47.013 g/mol chempirical lib
Density 1.45 g/cm³ CAS Common Chemistry
1.45 g/cm3 CAS Common Chemistry
Wikipedia Url https://en.wikipedia.org/wiki/Nitrogen_dioxide CAS Common Chemistry
Boiling Point 21.15 °C CAS Common Chemistry
Canonical SMILES [O]N=O CAS Common Chemistry
InChI InChI=1S/NO2/c2-1-3 CAS Common Chemistry
InChI Key InChIKey=JCXJVPUVTGWSNB-UHFFFAOYSA-N CAS Common Chemistry
Melting Point -9.3 °C CAS Common Chemistry
Name Nitrogen dioxide CAS Common Chemistry
Heavy Atom Count 3 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 49.33 Ų RDKit
49.66 Ų chempirical lib
LogP 0.09830000000000001 RDKit
0.0983 RDKit
Molar Refractivity 6.4815000000000005 cm³/mol RDKit
Ring Count 0 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.0 RDKit
Exact Mass 45.992903240000004 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

Convert

Quick conversion

MW = 46.01 g/mol; density = 1.450 g/mL. Edit any field — others recompute live.

Recent Searches

Acetone
Ethanol
Navigate
esc Close