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CAS No.: | 4360-63-8 |
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Name: | 2-Bromomethyl-1,3-dioxolane |
Article Data: | 28 |
Molecular Structure: | |
Formula: | C4H7BrO2 |
Molecular Weight: | 167.002 |
Synonyms: | Acetaldehyde,bromo-, cyclic ethylene acetal (6CI);2-(2-Bromomethyl)-1,3-dioxolane;2-(Bromomethyl)-1,3-dioxolane;2-Bromomethyldioxolane;Bromoacetaldehydeethylene acetal;Bromoacetaldehyde ethylene glycol acetal;Bromoacetaldehydeethylene ketal; |
EINECS: | 224-443-6 |
Density: | 1.589 g/cm3 |
Boiling Point: | 178.7 °C at 760 mmHg |
Flash Point: | 62.8 °C |
Solubility: | Immiscible with water. |
Appearance: | clear colorless liquid |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 26-24/25 |
PSA: | 18.46000 |
LogP: | 0.75420 |
Conditions | Yield |
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With bromine; di-tert-butyldicyclohexano-18-crown-18 In benzene at 20℃; for 0.166667h; Bromination; | 96% |
With 1,4-Dioxane Dibromide In tetrachloromethane at 29.9℃; Rate constant; Thermodynamic data; Mechanism; ΔH(excit.), ΔS(excit.), ΔG(excit.), lg A; further temp., kinetics; |
Conditions | Yield |
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With Dowex 50(H+) at 120℃; for 1h; | 94% |
With Dowex-x8 (H+) resin | 75% |
With sulfuric acid | |
With potassium bisulfite; methoxybenzene at 140℃; | 15 g |
at 150℃; |
ethylene glycol
Bromoacetaldehyde diethyl acetal
2-bromomethyl-1,3-dioxolane
Conditions | Yield |
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With toluene-4-sulfonic acid at 110℃; for 2h; | 87% |
With sulfuric acid | |
at 150℃; |
Conditions | Yield |
---|---|
Stage #1: ethylene glycol; acetaldehyde at 20℃; for 0.5h; Large scale; Stage #2: With bromine at 0 - 3℃; for 3.5h; Temperature; Large scale; | 79.2% |
Conditions | Yield |
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With bromine In tetrachloromethane at 60 - 70℃; | A 45% B 45% |
With N-Bromosuccinimide; di-tert-butylcyclohexano-18-crown-6 In benzene Ambient temperature; | A 32 % Chromat. B 68 % Chromat. |
Conditions | Yield |
---|---|
With bromine |
bis-(1,2-dibromo-ethyl) ether
ethylene glycol
A
2-bromomethyl-1,3-dioxolane
B
2-bromoethanol
Conditions | Yield |
---|---|
With sulfuric acid |