2-phenylpropionaldehyde dimethyl acetal
Synonym(s):1,1-Dimethoxy-2-phenylpropane;Hydratropic aldehyde dimethyl acetal
- CAS NO.：90-87-9
- Empirical Formula: C11H16O2
- Molecular Weight: 180.24
- MDL number: MFCD00008860
- EINECS: 202-022-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:26:40
What is 2-phenylpropionaldehyde dimethyl acetal?
Chemical properties
2-Phenylpropionaldehyde dimethyl acetal has a strong, warm, spicy odor reminiscent of walnut with a warm, mushroom, nut-like taste.
The Uses of 2-phenylpropionaldehyde dimethyl acetal
Primarily processed for use as a Food and Flavor ingredient. Known for its quality and durability in the industry.
Preparation
By catalytic hydrogenation of cinnamyl aldehyde dimethyl acetal in the presence of colloidal palladium; or from 2-phenylpropionaldehyde and a methanolic solution of HCl.
Definition
ChEBI: 2-Phenylpropionaldehyde dimethyl acetal is a member of benzenes.
Taste threshold values
Taste characteristics at 25 ppm: fruity, green and floral.
Synthesis Reference(s)
Tetrahedron Letters, 30, p. 5309, 1989 DOI: 10.1016/S0040-4039(01)93772-4
Flammability and Explosibility
Not classified
Properties of 2-phenylpropionaldehyde dimethyl acetal
| Boiling point: | 100-101 °C12 mm Hg(lit.) |
| Density | 0.992 g/mL at 25 °C(lit.) |
| vapor pressure | 30.1Pa at 24℃ |
| refractive index | n |
| FEMA | 2888 | 2-PHENYLPROPIONALDEHYDE DIMETHYL ACETAL |
| Flash point: | 198 °F |
| solubility | Almost insoluble in water, soluble in alcohol oils. |
| form | Colourless liquid |
| Odor | at 100.00 %. floral leafy hyacinth green mushroom earthy walnut |
| Water Solubility | 3.484g/L at 24℃ |
| JECFA Number | 1468 |
| EPA Substance Registry System | Benzene, (2,2-dimethoxy-1-methylethyl)- (90-87-9) |
Safety information for 2-phenylpropionaldehyde dimethyl acetal
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 2-phenylpropionaldehyde dimethyl acetal
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