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This is an old revision of this page, as edited by Beetstra (talk | contribs) at 10:45, 16 February 2012 (Saving copy of the {{chembox}} taken from revid 477076184 of page Dinitrogen_tetroxide for the Chem/Drugbox validation project (updated: '').). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 10:45, 16 February 2012 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 477076184 of page Dinitrogen_tetroxide for the Chem/Drugbox validation project (updated: '').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
This page contains a copy of the infobox ({{chembox}}) taken from revid 477076184 of page Dinitrogen_tetroxide with values updated to verified values.
Dinitrogen tetroxide
Full structural formula
Full structural formula
Space-filling model
Space-filling model
Names
IUPAC name Dinitrogen tetraoxide
Other names Dinitrogen(II) oxide(-I)
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
EC Number
  • 234-126-4
PubChem CID
RTECS number
  • QW9800000
UN number 1067
InChI
  • InChI=1S/N2O4/c3-1(4)2(5)6Key: WFPZPJSADLPSON-UHFFFAOYSA-N
  • InChI=1/N2O4/c3-1(4)2(5)6Key: WFPZPJSADLPSON-UHFFFAOYAS
SMILES
  • (=O)()=O
Properties
Chemical formula N2O4
Molar mass 92.011 g/mol
Appearance colourless gas / orange liquid
Density 1.443 g/cm (liquid, 21 °C)
Melting point −11.2 °C (261.9 K)
Boiling point 21.1 °C (294.3 K)
Solubility in water reacts
Vapor pressure 96 kPa (20 °C)
Refractive index (nD) 1.00112
Structure
Molecular shape planar, D2h
Dipole moment zero
Thermochemistry
Std molar
entropy
(S298)
150.38 J K mol
Std enthalpy of
formation
fH298)
-19.5 kJ/mol
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
3 0 0OX
Flash point Non-flammable
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkverify (what is  ?) Infobox references
Tracking categories (test):
Chemical compound
  1. International Chemical Safety Card