Ethylene glycol (ethane-1,2-diol) (C₂H₆O₂)

Ethylene glycol (ethane-1,2-diol) (C₂H₆O₂)

The simplest diol.



glycol, ethylene glycol, ethanediol, antifreeze, alkanole, alcohol, diol, oxygen-containing organic compounds, hydroxy compound, hydroxyl group, PET, toxic, organic chemistry, chemistry

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Ethylene glycol, 1,2-ethanediol C₂H₆O₂


Molar mass: 62.07 g/mol

Melting point: -15 °C (5 °F)

Boiling point: 198 °C (388.4 °F)

Density: 1.1135 g/cm³ (0.0402 lb/in³)

Heat of combustion: -1,189.2 kJ/mol


Ethylene glycol is a colorless, poisonous, syrupy, sweet-tasting liquid. It dissolves well in water, but does not dissolve in non-polar solvents at all.

Occurrence and production

It is produced from ethene, or ethylene.


It is used in antifreeze fluids in cars and for preventing ice formation on aircraft. A large volume of glycol is used in the plastics industry, and in the manufacture of polyethylene terephthalate, or PET.

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Ethanol (ethyl alcohol) (C₂H₅OH)

The best known alcohol, important in the food industry.

Glycerol (propane-1,2,3-triol) (C₃H₈O₃)

A triol that is often used as an ingredient of creams and ointments.

Methanol (methyl alcohol) (CH₃OH)

The simplest saturated alcohol. A highly toxic compound, easily confusable with ethanol.

1-butanol (C₄H₁₀O)

A 4-carbon alcohol commonly used as a solvent.

Acetic acid (ethanoic acid) (CH₃COOH)

One of the products of the oxidation of ethanol.

Ethane (C₂H₆)

The second member in the homologous series of straight-chain alkanes.

Ethyl acetate (C₄H₈O₂)

One of the most important esters, produced by the reaction of ethanol and acetic acid.

Formamide (methanamide) (HCONH₂)

A colorless, slightly viscous, hygroscopic liquid used in the production of formic acid, hydrogen cyanide and other organic compounds.

Glyceraldehyde (C₃H₆O₃)

The simplest aldose, an optically active compound.

Molecule exercise V (Oxo compounds)

An exercise about the groups and structure of oxo compounds.

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