1,1-Diethoxyethane

1,1-Diethoxyethane (acetaldehyde diethyl acetal) is a major flavoring component of distilled beverages, especially malt whisky and sherry. Although it is just one of many compounds containing an acetal functional group, this specific chemical is sometimes called simply acetal.

1,1-Diethoxyethane
Names
Preferred IUPAC name
1,1-Diethoxyethane
Other names
  • Acetaldehyde diethyl acetal
  • Acetal
  • Ethylidene diethyl ether
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.003.010
EC Number
  • 203-310-6
PubChem CID
UNII
  • InChI=1S/C6H14O2/c1-4-7-6(3)8-5-2/h6H,4-5H2,1-3H3
    Key: DHKHKXVYLBGOIT-UHFFFAOYSA-N
  • InChI=1/C6H14O2/c1-4-7-6(3)8-5-2/h6H,4-5H2,1-3H3
    Key: DHKHKXVYLBGOIT-UHFFFAOYAL
SMILES
  • CCOC(C)OCC
Properties
C6H14O2
Molar mass 118.176 g·mol−1
Appearance Colorless liquid
Density 0.83 g/cm3
Melting point −100 °C (−148 °F; 173 K)
Boiling point 102 °C (216 °F; 375 K)
46 g/L
Refractive index (nD)
 1.3834 (20 °C)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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