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This is an old revision of this page, as edited by Beetstra (talk | contribs) at 13:42, 15 February 2012 (Saving copy of the {{chembox}} taken from revid 476324864 of page Properties_of_water 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 13:42, 15 February 2012 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 476324864 of page Properties_of_water 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 476324864 of page Properties_of_water with values updated to verified values.
Water (H2O)
The water molecule has this basic geometric structure
The water molecule has this basic geometric structure
Space filling model of a water molecule
Space filling model of a water molecule
Names
IUPAC names Water
Oxidane
Other names Hydrogen oxide
Dihydrogen monoxide
Hydrogen monoxide
Dihydrogen oxide
Hydrogen hydroxide
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
PubChem CID
RTECS number
  • ZC0110000
UNII
InChI
  • InChI=1S/H2O/h1H2Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N
SMILES
  • O
Properties
Chemical formula H2O
Molar mass 18.01528(33) g/mol
Appearance white solid or almost colorless, transparent, with a slight hint of blue, crystalline solid or liquid
Density 1000 kg/m, liquid (4 °C) (62.4 lb/cu. ft)
917 kg/m, solid
Melting point 0 °C, 32 °F, (273.15 K)
Boiling point 99.98 °C, 211.97 °F (373.13 K)
Acidity (pKa) 15.74
~35–36
Basicity (pKb) 15.74
Refractive index (nD) 1.3330
Viscosity 0.001 Pa s at 20 °C
Structure
Crystal structure Hexagonal
Molecular shape Bent
Dipole moment 1.85 D
Hazards
Occupational safety and health (OHS/OSH):
Main hazards Drowning (see also Dihydrogen monoxide hoax)
Water intoxication
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g. sodium chlorideFlammability 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 hazards (white): no code
0 0 0
Related compounds
Other cations Hydrogen sulfide
Hydrogen selenide
Hydrogen telluride
Hydrogen polonide
Hydrogen peroxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Tracking categories (test):
Chemical compound
  1. Braun, Charles L. (1993). "Why is water blue?". J. Chem. Educ. 70 (8): 612. Bibcode:1993JChEd..70..612B. doi:10.1021/ed070p612. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  2. ^ Vienna Standard Mean Ocean Water (VSMOW), used for calibration, melts at 273.1500089(10) K (0.000089(10) °C, and boils at 373.1339 K (99.9839 °C). Other isotopic compositions melt or boil at slightly different temperatures.
  3. M. Holz, S. R. Heil, A. Sacco (2000). "Temperature-dependent self-diffusion coefficients of water and six selected molecular liquids for calibration in accurate 1H NMR PFG Measurements". Phys. Chem. Chem. Phys. 2 (20): 4740–4742. doi:10.1039/b005319h.{{cite journal}}: CS1 maint: multiple names: authors list (link)