Cyclopropyl methyl ketone
Cyclopropyl methyl ketone
CAS: 765-43-5
Molecular Formula: C5H8O
Cyclopropyl methyl ketone - Names and Identifiers
| Name | Cyclopropyl methyl ketone |
| Synonyms | CPMK AKOS BBS-00004282 Acetylcyclopropane ACETYLCYCLOPROPANE ACETYLTRIMETHYLENE Cyclopropylethanone 1-cyclopropyl-ethanon 1-CYCLOPROPYL-ETHANONE 1-CYCLOPROPYL-1-ETHANONE ketone,cyclopropylmethyl Cyclopropyl methyl ketone METHYL CYCLOPROPYL KETONE CYCLOPROPYL METHYL KETONE Ketone, cyclopropyl methyl |
| CAS | 765-43-5 |
| EINECS | 212-146-4 |
| InChI | InChI=1/C5H8O/c1-4(6)5-2-3-5/h5H,2-3H2,1H3 |
| InChIKey | HVCFCNAITDHQFX-UHFFFAOYSA-N |
Cyclopropyl methyl ketone - Physico-chemical Properties
| Molecular Formula | C5H8O |
| Molar Mass | 84.12 |
| Density | 0.849g/mLat 25°C(lit.) |
| Melting Point | <-70°C |
| Boling Point | 114°C(lit.) |
| Flash Point | 70°F |
| Water Solubility | Fully miscible in water. |
| Solubility | 185g/l |
| Appearance | Liquid |
| Specific Gravity | 0.849 |
| Color | Clear colorless to very slightly yellow |
| BRN | 1633817 |
| Storage Condition | Sealed in dry,Room Temperature |
| Explosive Limit | 1.7%(V) |
| Refractive Index | n20/D 1.424(lit.) |
| Physical and Chemical Properties | The boiling point is 114 ° C., the refractive index (nD20) is 1.425-1.427, and the density is 0.848-850. |
| Use | Used as pharmaceutical and pesticide intermediates |
Cyclopropyl methyl ketone - Risk and Safety
| Hazard Symbols | F - Flammable |
| Risk Codes | 11 - Highly Flammable |
| Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S29 - Do not empty into drains. S33 - Take precautionary measures against static discharges. |
| UN IDs | UN 1224 3/PG 2 |
| WGK Germany | 3 |
| RTECS | KM5648000 |
| HS Code | 29142900 |
| Hazard Class | 3 |
| Packing Group | II |
Cyclopropyl methyl ketone - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | cyclopropyl methyl ketone is an organic intermediate, which can be made from α-acetyl-γ-butyrolactone, 5-chloro-2-pentanone was prepared first and then obtained by ring closure. Cyclopropylmethyl ketone can be used to prepare 2-chloro-1-(1-chlorocyclopropyl) ethanone, an intermediate of propylthioconazole. |
| properties | cyclopropyl methyl ketone is a colorless transparent liquid, solubility: it has a certain solubility in water, miscible with alcohol ether. |
| Application | cyclopropyl methyl ketone is an important organic raw material and intermediate. In medicine, it is mainly used for the synthesis of anti-AIDS drugs by fluviram and ileremin; In pesticide, it is mainly used for the synthesis of bactericides, cyromazine and cycloconazole. |
| synthesis method | There are two synthesis processes of cyclopropyl methyl ketone, one of which is: the raw material of γ-butyrolactone is more common, prepared by acetylation, hydrolysis, decarboxylation, chlorination, cyclization, refining. |
| Use | for pharmaceutical and pesticide intermediates |
| production method | can be prepared from 5-bromo-2-pentanone by dehydrobromination or by the action of cyclopropanecarboxylic acid nitrile and methyl magnesium bromide |
Last Update：2024-04-09 19:05:15
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