2-Methylcyclopentanone
- CAS NO.：1120-72-5
- Empirical Formula: C6H10O
- Molecular Weight: 98.14
- MDL number: MFCD00001414
- EINECS: 214-318-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:24:02
What is 2-Methylcyclopentanone?
Chemical properties
CLEAR COLOURLESS TO VERY SLIGHTLY YELLOW LIQUID
The Uses of 2-Methylcyclopentanone
2-Methylcyclopentanone is a useful synthetic intermediate. It was used in the synthesis of MK-0354, a partial agonist of nicotinic acid and G-protein-coupled receptor 109a. It can also be used to prepare Falcipain inhibitors.
Synthesis Reference(s)
Journal of the American Chemical Society, 102, p. 190, 1980 DOI: 10.1021/ja00521a031
The Journal of Organic Chemistry, 38, p. 304, 1973 DOI: 10.1021/jo00942a022
Synthetic Communications, 8, p. 563, 1978 DOI: 10.1080/00397917808063587
Properties of 2-Methylcyclopentanone
| Melting point: | -75°C |
| Boiling point: | 139 °C (lit.) |
| Density | 0.917 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 79 °F |
| storage temp. | Inert atmosphere,2-8°C |
| form | Liquid |
| color | Clear colorless to very slightly yellow |
| Water Solubility | soluble |
| CAS DataBase Reference | 1120-72-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Cyclopentanone, 2-methyl-(1120-72-5) |
| EPA Substance Registry System | 2-Methylcyclopentanone (1120-72-5) |
Safety information for 2-Methylcyclopentanone
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H226:Flammable liquids |
| 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. P243:Take precautionary measures against static discharge. |
Computed Descriptors for 2-Methylcyclopentanone
| InChIKey | ZIXLDMFVRPABBX-UHFFFAOYSA-N |
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