Cyclopropyl methyl ketone
Synonym(s):Acetylcyclopropane
- CAS NO.：765-43-5
- Empirical Formula: C5H8O
- Molecular Weight: 84.12
- MDL number: MFCD00001297
- EINECS: 212-146-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-10 10:27:08
What is Cyclopropyl methyl ketone?
Chemical properties
clear colorless to very slightly yellow liquid
The Uses of Cyclopropyl methyl ketone
Cyclopropyl methyl ketone was used in the preparation of homoallylic alcohols. Acetylcyclopropane is used as an intermediate for the manufacturing pharmaceuticals, agrochemicals and other organic compounds.
Properties of Cyclopropyl methyl ketone
| Melting point: | <-70°C |
| Boiling point: | 114 °C(lit.) |
| Density | 0.849 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 70 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 185g/l |
| form | Liquid |
| color | Clear colorless to very slightly yellow |
| Specific Gravity | 0.849 |
| explosive limit | 1.7%(V) |
| Water Solubility | Fully miscible in water. |
| BRN | 1633817 |
| CAS DataBase Reference | 765-43-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Ethanone, 1-cyclopropyl-(765-43-5) |
| EPA Substance Registry System | Cyclopropyl methyl ketone (765-43-5) |
Safety information for Cyclopropyl methyl ketone
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H225:Flammable liquids H301:Acute toxicity,oral |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
Computed Descriptors for Cyclopropyl methyl ketone
| InChIKey | HVCFCNAITDHQFX-UHFFFAOYSA-N |
Cyclopropyl methyl ketone manufacturer
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