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Ethylene glycol
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Other names Ethylene glycol
1,2-Ethanediol
Ethylene alcohol
Hypodicarbonous acid
Monoethylene glycol
1,2-Dihydroxyethane
Identifiers
Abbreviations MEG
CAS number 107-21-1
PubChem 174
EC number 203-473-3
KEGG C01380
MeSH Ethylene+glycol
ChEBI CHEBI:30742
RTECS number KW2975000
SMILES C(CO)O
Beilstein Reference 505945
Gmelin Reference 943
3DMet B00278
Properties
Molecular formula C2H6O2
Molar mass 62.06 g mol-1
Appearance Clear, colorless liquid
Odor Odorless
Density 1.1132 g/cm3
Melting point

−12.9 °C, 260 K, 9 °F

Boiling point

197.3 °C, 470 K, 387 °F

Solubility in water Miscible
Solubility Soluble in most organic solvents
log P -1.69
Vapor pressure 0.06 mmHg (20 °C)
Viscosity 1.61×10−2 Pa·s
Hazards
Main hazards Harmful
NFPA 704

NFPA 704.svg

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

Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound with the chemical formula (CH2OH)2. It is used to make polyester and to make antifreeze.

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