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| CAS No.: | 101-48-4 |
|---|---|
| Name: | PHENYLACETALDEHYDE DIMETHYL ACETAL |
| Article Data: | 81 |
| Molecular Structure: | |
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|
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| Formula: | C10H14O2 |
| Molecular Weight: | 166.22 |
| Synonyms: | a-Tolylaldehydedimethyl acetal;Acetaldehyde,phenyl-, dimethyl acetal (6CI,7CI,8CI);(2,2-Dimethoxyethyl)benzene;1,1-Dimethoxy-2-phenylethane;2,2-Dimethoxy-1-phenylethane;2-Phenylacetaldehyde dimethyl acetal;Hyscylene P;NSC 5174;Phenylacetaldehydedimethyl acetal; |
| EINECS: | 202-945-6 |
| Density: | 0.987 g/cm3 |
| Boiling Point: | 196.6 °C at 760 mmHg |
| Flash Point: | 83.9 °C |
| Solubility: | 3.9g/L at 20℃ |
| Appearance: | clear colourless to pale yellowish liquid |
| Safety: | 23-24/25 |
| PSA: | 18.46000 |
| LogP: | 1.84800 |
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Chemistry
IUPAC Name: 2,2-Dimethoxyethylbenzene
Synonyms: Phenylacetaldehyde dimethyl acetal ; Padima;(2,2-dimethoxyethyl)-benzen ; 1,1-Dimethoxy-2-phenyl-ethan ; Acetaldehyde, phenyl-, dimethyl acetal ; Ethane, 1,1-dimethoxy-2-phenyl-; Hyscylene p ; Hyscylenep
Molecular Structure: 
Molecular Formula : C10H14O2
Molecular Weight : 166.22
CAS NO: 101-48-4
EINECS: 202-945-6
FEMA: 2876
BRN : 879360
Index of Refraction: 1.488
Surface Tension: 31.9 dyne/cm
Density: 0.987 g/cm3
Flash Point: 83.9 °C
Enthalpy of Vaporization: 41.51 kJ/mol
Boiling Point: 196.6 °C at 760 mmHg
Vapour Pressure: 0.556 mmHg at 25°C
Appearance: Phenylacetaldehyde dimethyl acetal (CAS NO.101-48-4) is clear colourless to pale yellowish liquid.
Uses
GB 2760-1996 provides Phenylacetaldehyde dimethyl acetal (CAS NO.101-48-4) for the use of spices. It mainly for the preparation of cherry, apricot, plum, peach and pear flavor, roses and other floral flavor
Production
1.Pass dry Hydrogen chloride in the mixture of Benzene, Acetaldehyde and Methanol, condensation ,obtaining the Phenylacetaldehyde dimethyl acetal (CAS NO.101-48-4).
2. Acetaldehyde and Benzene ,Methanol containing Hydrogen chloride (1% ~ 2%) and Ammonium chloride, mixing, heating to 40 ~ 50°C,set at room temperature for two days, adding water, Sodium chloride and Ether, separate oil layer , and then water washing and fractionation, derived Phenylacetaldehyde dimethyl acetal (CAS NO.101-48-4)
Toxicity Data With Reference
| 1. | orl-rat LD50:3500 mg/kg | FCTXAV Food and Cosmetics Toxicology. 13 (1975),681. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALDEHYDES.
Safety Statements 23-24/25
S23:Do not breathe vapour.
S24/25:Avoid contact with skin and eyes.
WGK Germany 1
RTECS AB3040000