Cinnamaldehyde diethyl acetal
- CAS NO.：7148-78-9
- Empirical Formula: C13H18O2
- Molecular Weight: 206.28
- MDL number: MFCD00672803
- EINECS: 230-467-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:49:14
What is Cinnamaldehyde diethyl acetal?
Physical properties
Almost colorless oily liquid. B.P. 251°C. (very close to that of Cinnamic aldehyde). Sp.Gr. 0.98.
Practically insoluble in water, soluble in alcohol and oils.
The Uses of Cinnamaldehyde diethyl acetal
CINNAMALDEHYDE DIETHYL ACETAL is used occasionally in perfume formulations as a modifier and "new" note in modern-aldehydic or spicy-fruity fragrance types.
Stable in soap, but does not contribute much
"spice" odor and can not be considered a suitable substitute for the aldehyde.
Preparation
Cinnamaldehyde diethyl acetal is prepared by using cinnamaldehyde and triethyl orthoformate as raw materials, adding p-toluenesulfonic acid in absolute ethanol, and then heating and refluxing.
Properties of Cinnamaldehyde diethyl acetal
| Boiling point: | 126-127 °C(Press: 10 Torr) |
| Density | 0.984±0.06 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| Odor | at 100.00 %. spicy cinnamon |
| JECFA Number | 648 |
| EPA Substance Registry System | Benzene, (3,3-diethoxy-1-propenyl)- (7148-78-9) |
Safety information for Cinnamaldehyde diethyl acetal
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Cinnamaldehyde diethyl acetal
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