Acetal
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Description
A colorless, volatile liquid obtained from the reaction of Acetaldehyde and Ethyl alcohol. Acetal has a pleasing odor and a nutlike aftertaste. It is used as a solvent, and as an ingredient in cosmetics, perfumes (such as jasmine) and flavorings.
Synonyms and Related Terms
diethylacetal; 1,1-diethoxyethane; ethylidenediethyl ether; acetaldehyde diethyl acetal
Risks
- Highly flammable. Flash point = -12C.
- Sensitive to light, moisture and heat.
- May form explosive peroxides.
- Contact causes irritation.
- Narcotic in high concentrations.
- Fisher Scientific: SDS
Physical and Chemical Properties
Soluble in hexane, ethanol and ethyl acetate. Slightly soluble in water.
| Composition | CH3CH(OC2H5)2 |
|---|---|
| CAS | 105-57-7 |
| Melting Point | -100 C |
| Density | 0.8254 g/ml |
| Molecular Weight | mol. wt. = 118.18 |
| Refractive Index | 1.379-1.385 |
| Boiling Point | 102.7 C |
Resources and Citations
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Fisher Scientific at https://www1.fishersci.com/catalogs/acrosgroup.jsp?catalogParamId=8013176&catalogParamType=AG Flash point = -21C