2-Methyl-1,3-cyclopentanedione
Synonym(s):2-Methyl-1,3-cyclopentanedione
- CAS NO.：765-69-5
- Empirical Formula: C6H8O2
- Molecular Weight: 112.13
- MDL number: MFCD00001406
- EINECS: 212-153-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:48
What is 2-Methyl-1,3-cyclopentanedione?
Chemical properties
LIGHT BEIGE TO TAN CRYSTALLINE POWDER
The Uses of 2-Methyl-1,3-cyclopentanedione
2-Methyl-1,3-cyclopentanedione was used as a reactant in the identification and characterization of benzil (diphenylethane-1,2-dione) analogues as inhibitors of mammalian carboxylesterases.
The Uses of 2-Methyl-1,3-cyclopentanedione
2-Methyl-1,3-cyclopentanedione hs been used to explore deoxycholic acid (DCA) induced changes in cell signaling. DCA is a secondary bile acid implicated in numerous pathological conditions. It has also been used in the synthesis of (-)-curcumanolide A and (-)-curcumalactone by aldol-lactonization.
Synthesis Reference(s)
Synthetic Communications, 19, p. 373, 1989 DOI: 10.1080/00397918908050676
Properties of 2-Methyl-1,3-cyclopentanedione
| Melting point: | 212-215 °C (lit.) |
| Boiling point: | 213°C (estimate) |
| Density | 1.0795 (rough estimate) |
| refractive index | 1.4550 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | Solubility in hot Methanol (almost transparency). |
| pka | 10.83±0.20(Predicted) |
| form | Crystalline Powder |
| color | Light beige to tan |
| PH | 2.95 at 24.7℃ and 10g/L |
| BRN | 1237255 |
| CAS DataBase Reference | 765-69-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Cyclopentanedione, 2-methyl-(765-69-5) |
Safety information for 2-Methyl-1,3-cyclopentanedione
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-Methyl-1,3-cyclopentanedione
| InChIKey | HXZILEQYFQYQCE-UHFFFAOYSA-N |
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