EthanolC₂H₆O

C2H6O • 46.070 g·mol⁻¹

organiccovalentliquidCAS 64-17-5PubChem 702 →
C₂H₆OC2H6O46.0700 g·mol⁻¹
Molar mass46.070 g·mol⁻¹calc 46.069 • Atomic weights: CIAAW 2021 (conventional atomic weights)
FormulaC₂H₆OC2H6O
Classorganic • covalentliquid
Composition — C₂H₆O
ElementCountMass (g/mol)Mass %
C224.02252.14%
H66.04813.13%
O115.99934.73%

Physical properties

State at STP
liquid
Density
0.789 g·cm⁻³ (liquid at 20 °C, 1 atm)
Melting point
158.8 K (1 atm)
Boiling point
351.5 K (1 atm)

Structure & bonding

CH3CH2OH — hydroxyl group on two-carbon chain. Polar OH enables H-bonding.

Occurrence & preparation

Fermentation of sugars by yeast; industrial hydration of ethene.

Uses

  • Solvent
  • Disinfectant

Safety

Flammable liquid; vapors irritate eyes.

Consult current SDS. — consult current SDS before handling.

Constituent elements

Related reactions

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