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2-BENZYL-1,3-DIOXOLANE

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2-BENZYL-1,3-DIOXOLANE Basic information

Product Name:
2-BENZYL-1,3-DIOXOLANE
Synonyms:
  • HYACINTHIN ETHYLENE GLYCOL ACETAL
  • A-TOLUIC ALDEHYDE ETHYLENE GLYCOL ACETAL
  • 2-BENZYL-1,3-DIOXOLANE
  • 2-BENZYL-1,3-DIOXOLONE
  • ALPHA-TOLUALDEHYDE ETHYLENE GLYCOL ACETAL
  • Benzyldioxolane
  • Ethylene glycol acetal of phenyl acetaldehyde
  • 1,3-Dioxolane, 2-(phenylmethyl)-
CAS:
101-49-5
MF:
C10H12O2
MW:
164.2
EINECS:
202-946-1
Product Categories:
  • Dioxanes & Dioxolanes
  • Dioxolanes
Mol File:
101-49-5.mol
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2-BENZYL-1,3-DIOXOLANE Chemical Properties

Boiling point:
115 °C
Density 
1.085
refractive index 
n20/D 1.522(lit.)
Flash point:
108 °C
form 
Liquid
color 
Clear colorless to pale yellow
Odor
at 100.00 %. green waxy sweet honey hyacinth
Odor Type
green
LogP
1.588 (est)
CAS DataBase Reference
101-49-5
EPA Substance Registry System
1,3-Dioxolane, 2-(phenylmethyl)- (101-49-5)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39
RTECS 
JH6768000
HS Code 
29329990
Toxicity
LD50 orl-rat: 2200 mg/kg FCTXAV 14,827,76
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2-BENZYL-1,3-DIOXOLANE Usage And Synthesis

Chemical Properties

Clear colorless to pale yellow liquid

Occurrence

Has apparently not been reported to occur in nature.

Preparation

By condensation of phenylacetaldehyde and ethylene glycol (Arctander, 1969).

Safety Profile

Moderately toxic by ingestion andskin contact. When heated to decomposition it emits acridsmoke and irritating fumes.

Metabolism

Phenylacetaldehyde ethyleneglycol acetal is presumably capable of being hydrolysed to form phenylacetaldehyde and ethylene glycol (Fassett, 1963).

Purification Methods

Dissolve 2-benzyl-1,3-dioxolane in CH2Cl2, wash well with 1M NaOH, dry over K2CO3, filter, evaporate and distil it through a short path still (Kügelrohr). It has also been purified by preparative gas chromatography. [Raber & Guida Synthesis 808 1974, Lloyd & Luberoff J Org Chem 34 3949 1969, Beilstein 19 III/IV 220.]

2-BENZYL-1,3-DIOXOLANESupplier

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