5-bromopentan-2-one
5-bromopentan-2-one
CAS: 3884-71-7
Molecular Formula: C5H9BrO
5-bromopentan-2-one - Names and Identifiers
| Name | 5-bromopentan-2-one |
| Synonyms | 5-Brompentan-2-on bromo-5-pentanone-2 5-bromopentan-2-one 5-BROMO-2-PENTANONE 1-broMopentan-4-one 5-BROMO-PENTAN-2-ONE 2-Pentanone, 5-bromo- 3-bromopropyl methyl ketone |
| CAS | 3884-71-7 |
| EINECS | 223-419-2 |
| InChI | InChI=1/C5H9BrO/c1-5(7)3-2-4-6/h2-4H2,1H3 |
5-bromopentan-2-one - Physico-chemical Properties
| Molecular Formula | C5H9BrO |
| Molar Mass | 165.03 |
| Density | 1.359±0.06 g/cm3(Predicted) |
| Boling Point | 73-75 °C(Press: 12 Torr) |
| Flash Point | 76.1°C |
| Vapor Presure | 0.537mmHg at 25°C |
| Storage Condition | Sealed in dry,Store in freezer, under -20°C |
| Refractive Index | 1.455 |
| Physical and Chemical Properties | Liquid. Heat to 188-190 ℃ for decomposition, boiling point 77 ℃(1.86kPa). |
5-bromopentan-2-one - Reference Information
| chemical properties | liquid. Heat to 188-190 ℃ for decomposition, boiling point 77 ℃(1.86kPa). |
| use | pharmaceutical intermediates. |
| production method | obtained from bromination of acetyl propanol. Add sodium bromide to water and stir to dissolve. Add sulfuric acid and control 75 ℃ for 1h. Add acetyl alcohol at 75-85 ℃, and keep the temperature to 90 ℃ for half an hour. Cold to 35 ℃, add water to 20 ℃, let stand, separate the organic phase, neutralize with sodium carbonate solution to pH 7, and let stand to remove the water layer to obtain 5-bromo-2-pentanone. 84% yield. |
| EPA chemical information | information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 15:16:37
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