Bromoacetaldehyde
- CAS NO.:17157-48-1
- Empirical Formula: C2H3BrO
- Molecular Weight: 122.95
- MDL number: MFCD01733508
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-25 14:54:50
What is Bromoacetaldehyde?
The Uses of Bromoacetaldehyde
Bromoacetaldehyde can be used as an intermediate in pharmaceutical and chemical synthesis, mainly in laboratory research and development and chemical production processes.
Definition
ChEBI:2-Bromoacetaldehyde is an organobromine compound.
Synthesis
Preparation of Bromoacetaldehyde:1,4-dibromo-trans-2-butene(10g, 0.046 mol) was dissolved in dry CH2CI2 (100 ml) and cooled to -780℃ and ozone gas was bubbled until the blue color persisted (~30 min). A nitrogen stream was passed through the solution until the blue color disappeared, giving colorless solution. Triphenyl phosphine (12.9g, 0.046 mol) was added portion wise over a period EPO of 1 hr. The reaction mixture was brought to 0℃ and kept in the refrigerator for 15 hrs. The solvent (CH2CI2) was removed from the reaction mixture (without applying vacuum) and the thick residue was distilled at 400℃ under vacuum (1mm Hg), maintaining the temperature of the receiving flask at -780℃. (during distillation, special care was taken to maintain a cold water circulation (~0°C to - 50℃)). The bromoacetaldehyde(2.8g, yield = 50%) was obtained as a light yellow liquid.
Properties of Bromoacetaldehyde
Melting point: | 136-138 °C |
Boiling point: | 109.35°C (estimate) |
Density | 1.7515 (rough estimate) |
refractive index | 1.4486 (estimate) |
EPA Substance Registry System | Acetaldehyde, bromo- (17157-48-1) |
Safety information for Bromoacetaldehyde
Computed Descriptors for Bromoacetaldehyde
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