Not to be confused with Polyethylene glycol, Diethylene glycol, Propylene glycol, or Glycol.
Ethylene glycol
Spacefill model of ethylene glycol
Ball and stick model of ethylene glycol
Names
IUPAC names
Ethylene glycol[1] Ethane-1,2-diol[2]
Preferred IUPAC name
Ethane-1,2-diol[3]
Other names
Ethylene glycol
1,2-Ethanediol
Ethylene alcohol
Hypodicarbonous acid
Monoethylene glycol
1,2-Dihydroxyethane
Glycol solvent
Identifiers
CAS Number
107-21-1Y
3D model (JSmol)
Interactive image
3DMet
B00278
Abbreviations
MEG
Beilstein Reference
505945
ChEBI
CHEBI:30742Y
ChEMBL
ChEMBL457299Y
ChemSpider
13835235Y
ECHA InfoCard
100.003.159
EC Number
203-473-3
Gmelin Reference
943
KEGG
C01380Y
MeSH
Ethylene+glycol
PubChem CID
174
RTECS number
KW2975000
UNII
FC72KVT52FY
UN number
3082
CompTox Dashboard (EPA)
DTXSID8020597
InChI
InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2Y
Key: LYCAIKOWRPUZTN-UHFFFAOYSA-NY
InChI=1/C2H6O2/c3-1-2-4/h3-4H,1-2H2
Key: LYCAIKOWRPUZTN-UHFFFAOYAD
SMILES
OCCO
Properties
Chemical formula
C2H6O2
Molar mass
62.068 g·mol−1
Appearance
Clear, colorless liquid
Odor
Odorless[4]
Density
1.1132 g/cm3 (0.04022 lb/cu in)
Melting point
−12.9 °C (8.8 °F; 260.2 K)
Boiling point
197.3 °C (387.1 °F; 470.4 K)
Solubility in water
Miscible
Solubility
Soluble in alcohols, ethyl acetate, THF, and dioxane. Miscible with DCM and slightly miscible with diethyl ether. Not miscible with toluene or hexanes.
log P
-1.69[5]
Vapor pressure
0.06 mmHg (20 °C)[4]
Viscosity
1.61×10−2 Pa·s[6]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Harmful, produces poisonous oxalic acid when ingested, flammable
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
Chemical compound
Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound (a vicinal diol[7]) with the formula (CH2OH)2. It is mainly used for two purposes, as a raw material in the manufacture of polyester fibers and for antifreeze formulations. It is an odorless, colorless, flammable, viscous liquid. It has a sweet taste, but is toxic in high concentrations. This molecule has been observed in outer space.[8]
^"Ethylene glycol (CHEBI:30742)".
^"Ethylene glycol (CHEBI:30742)".
^International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 690. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
^ abcdefNIOSH Pocket Guide to Chemical Hazards. "#0272". National Institute for Occupational Safety and Health (NIOSH).
^"Ethylene glycol". www.chemsrc.com.
^Elert, Glenn. "Viscosity". The Physics Hypertextbook. Retrieved 2007-10-02.
^J. M. Hollis; F. J. Lovas; P. R. Jewell; L. H. Coudert (2002-05-20). "Interstellar Antifreeze: Ethylene Glycol". The Astrophysical Journal. 571 (1): L59–L62. Bibcode:2002ApJ...571L..59H. doi:10.1086/341148. S2CID 56198291.
Ethyleneglycol (IUPAC name: ethane-1,2-diol) is an organic compound (a vicinal diol) with the formula (CH2OH)2. It is mainly used for two purposes, as...
Ethyleneglycol poisoning is poisoning caused by drinking ethyleneglycol. Early symptoms include intoxication, vomiting and abdominal pain. Later symptoms...
taste. It is a four carbon dimer of ethyleneglycol. It is miscible in water, alcohol, ether, acetone, and ethyleneglycol. DEG is a widely used solvent. It...
Glycol ethers are a class of chemical compounds consisting of alkyl ethers that are based on glycols such as ethyleneglycol or propylene glycol. They...
Ethyleneglycol dinitrate, abbreviated EGDN and NGC, also known as Nitroglycol, is a colorless, oily, explosive liquid obtained by nitrating ethylene...
plastics, and various organic chemicals such as ethyleneglycol, ethanolamines, simple and complex glycols, polyglycol ethers, and other compounds. Although...
Ethyleneglycol dimethylacrylate (EGDMA) is a diester formed by condensation of two equivalents of methacrylic acid and one equivalent of ethylene glycol...
cooling are mixtures of water and either ethyleneglycol (EGW) or propylene glycol (PGW). The use of ethyleneglycol has a longer history, especially in the...
Glycol distearate is the diester of stearic acid and ethyleneglycol. It is mostly commonly encountered in personal care products and cosmetics where it...
classified as the cyclic carbonate ester of ethyleneglycol and carbonic acid. At room temperature (25 °C) ethylene carbonate is a transparent crystalline...
hydrolyzed to produce ethyleneglycol, widely used as an automotive antifreeze as well as higher molecular weight glycols, glycol ethers, and polyethylene...
Dimethoxyethane, also known as glyme, monoglyme, dimethyl glycol, ethyleneglycol dimethyl ether, dimethyl cellosolve, and DME, is a colorless, aprotic...
Glycol stearate (glycol monostearate or ethyleneglycol monostearate) is an organic compound with the molecular formula C20H40O3. It is the ester of stearic...
terephthalate) and mono ethyleneglycol, wherein the sum of terephthalic acid (or dimethyl terephthalate) and mono ethyleneglycol reacted constitutes at...
solvent for some medications, and antidote for methanol poisoning and ethyleneglycol poisoning. It is used as a chemical solvent and in the synthesis of...
to adjacent atoms. These compounds are called glycols. Examples include ethane-1,2-diol or ethyleneglycol HO−(CH2)2−OH, a common ingredient of antifreeze...
September 7, 1989. Because testing seemed to indicate an elevated level of ethyleneglycol in Ryan's blood, authorities suspected antifreeze poisoning and they...
antifreeze. Propylene glycol is frequently used as a substitute for ethyleneglycol in low toxicity, environmentally friendly automotive antifreeze. It...
succumb quickly from ethyleneglycol poisoning, after ingesting as little as one teaspoon. The primary source of ethyleneglycol is automotive antifreeze...
by ethyleneglycol, which has a lower freezing point. While the minimum freezing point of a glycerol-water mixture is higher than an ethyleneglycol-water...
come in a variety of types, and are typically composed of ethyleneglycol (EG) or propylene glycol (PG), along with other ingredients such as thickening agents...
streams. Glycols typically seen in industry include triethylene glycol (TEG), diethylene glycol (DEG), ethyleneglycol (MEG), and tetraethylene glycol (TREG)...
individual is suffering from ethyleneglycol poisoning as a consequence of antifreeze ingestion. Manufacturers of ethyleneglycol-containing antifreezes commonly...
somewhat more toxic than ethanol, but considerably less toxic than ethyleneglycol or methanol. Death from ingestion or absorption of even relatively...
catalyst a base, usually potassium hydroxide. When the initiator is ethyleneglycol or water the polymer is linear. With a multifunctional initiator like...
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