1-Hydroxybutan-2-one
1-HYDROXY-2-BUTANONE
CAS: 5077-67-8
Molecular Formula: C4H8O2
1-Hydroxybutan-2-one - Names and Identifiers
| Name | 1-HYDROXY-2-BUTANONE |
| Synonyms | 1-Hydroxybutan-2-one 1-HYDROXY-2-BUTANONE 2-Butanone,1-hydroxy- |
| CAS | 5077-67-8 |
| EINECS | 225-790-6 |
1-Hydroxybutan-2-one - Physico-chemical Properties
| Molecular Formula | C4H8O2 |
| Molar Mass | 88.11 |
| Density | 1.0272 |
| Melting Point | 15°C (estimate) |
| Boling Point | 160.05°C |
| FEMA | 3173 | 1-HYDROXY-2-BUTANONE |
| JECFA Number | 1717 |
| pKa | 12.96±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.4189 |
| Physical and Chemical Properties | Chemical colorless liquid. Boiling point 160 ℃,48 ℃(1.2kPa), relative density 1.0272(20/4 ℃), refractive index 1.4189. Soluble in water, ether, ethanol. |
| Use | Use for synthesis of antituberculosis drug ethambutol. |
1-Hydroxybutan-2-one - Risk and Safety
| UN IDs | 1993 |
| Hazard Class | 3.2 |
| Packing Group | III |
1-Hydroxybutan-2-one - Upstream Downstream Industry
| Downstream Products | 3-Buten-2-one, 1-hydroxy- 2-OXOBUTANALDEHYDE Tetrahydrofuran |
1-Hydroxybutan-2-one - Nature
| EPA chemical information | 2-Butanone, 1-hydroxy- (5077-67-8) |
Last Update：2024-04-10 22:29:15
1-Hydroxybutan-2-one - Production method
1, 2-butanediol was used as raw material, stored in calcium carbonate, 2% chromium oxide and 1% nickel carbonate were added as catalysts, and 1-hydroxy-2-butanone was prepared in a fixed bed reactor at a high temperature of 200 ℃. The yield is 40% under the above conditions. Or CuO is used as catalyst to react at 180 ℃ with a yield of 45%. In addition, 1-hydroxy-2-butanone was prepared by light under the conditions of potassium bromate as oxidant, bromohydroic acid as catalyst, normal temperature or higher temperature, and the conversion rate was greater than 90%.
Last Update：2024-04-10 22:29:15
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CAS: 5077-67-8
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Downstream Products for 1-Hydroxybutan-2-one