Ethylene glycol

Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound with the chemical formula (CH
2OH)2. It is used to make polyester and to make antifreeze.[4]

Ethylene glycol
Spacefill model of ethylene glycol
Spacefill model of ethylene glycol
Ball and stick model of ethylene glycol
Ball and stick model of ethylene glycol
Names
Preferred IUPAC name
Ethane-1,2-diol
Other names
Ethylene glycol
1,2-Ethanediol
Ethylene alcohol
Hypodicarbonous acid
Monoethylene glycol
1,2-Dihydroxyethane
Identifiers
3D model (JSmol)
3DMet
Abbreviations MEG
Beilstein Reference 505945
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.159
EC Number
  • 203-473-3
Gmelin Reference 943
KEGG
MeSH Ethylene+glycol
PubChem CID
RTECS number
  • KW2975000
UNII
UN number 3082
CompTox Dashboard (EPA)
SMILES
  • C(CO)O
Properties
C2H6O2
Molar mass 62.07 g·mol−1
Appearance Clear, colorless liquid
Odor Odorless[1]
Density 1.1132 g/cm3
Melting point −12.9 °C (8.8 °F; 260.2 K)
Boiling point 197.3 °C (387.1 °F; 470.4 K)
Miscible
Solubility Soluble in most organic solvents
log P -1.69[2]
Vapor pressure 0.06 mmHg (20 °C)[1]
Viscosity 1.61×10−2 Pa·s[3]
Hazards
Main hazards Harmful
NFPA 704

1
2
0
 
Explosive limits 3.2–15.2%[1]
U.S. Permissible
exposure limit (PEL)		 None[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

References
  1. NIOSH Pocket Guide to Chemical Hazards. "#0272". National Institute for Occupational Safety and Health (NIOSH).
  2. "Ethylene glycol". www.chemsrc.com.
  3. Elert, Glenn. "Viscosity". The Physics Hypertextbook. Retrieved 2007-10-02.
  4. Siegfried Rebsdat; Dieter Mayer (2000). "Ethylene Glycol". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a10_101. ISBN 3527306730.
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