ChemicalBook >> CAS DataBase List >>2-Methyl-1,3-cyclopentanedione
2-Methyl-1,3-cyclopentanedione
- CAS No.
- 765-69-5
- Chemical Name:
- 2-Methyl-1,3-cyclopentanedione
- Synonyms
- 1,3-Cyclopentanedione, 2-methyl-;2-Methylcyclopentane-1,3-dione;2-Methyl-1,3-cyclopentadione;-1,3-cycL;2-Methyl-1;METHYLCYCLE-D;2-Methylcyclopentan-1,3-dion;2-METHYLCYCLOPENTAN-1,3-DIONE;2-Methyl-1,3-dioxocyclopentane;2-METHYL-1,3-CYCLOPENTANEDIONE
- CBNumber:
- CB5272422
- Molecular Formula:
- C6H8O2
- Molecular Weight:
- 112.13
- MDL Number:
- MFCD00001406
- MOL File:
- 765-69-5.mol
- MSDS File:
- SDS
Last updated:2025-04-26 17:21:34
| 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). |
| form | Crystalline Powder |
| pka | 10.83±0.20(Predicted) |
| color | Light beige to tan |
| PH | 2.95 at 24.7℃ and 10g/L |
| BRN | 1237255 |
| InChIKey | HXZILEQYFQYQCE-UHFFFAOYSA-N |
| LogP | -0.8 at 30℃ and pH7.66 |
| CAS DataBase Reference | 765-69-5(CAS DataBase Reference) |
| FDA UNII | |
| NIST Chemistry Reference |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H332-H335 | |||||||||
| Precautionary statements | P261-P280-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 22-24/25-36-26 | |||||||||
| WGK Germany | 3 | |||||||||
| Hazard Note | Irritant | |||||||||
| HS Code | 29142900 | |||||||||
| NFPA 704 |
|
2-Methyl-1,3-cyclopentanedione price More Price(48)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 117021 | 2-Methyl-1,3-cyclopentanedione 99% | 765-69-5 | 5g | $10.4 | 2025-03-01 | Buy |
| Sigma-Aldrich | 117021 | 2-Methyl-1,3-cyclopentanedione 99% | 765-69-5 | 25g | $56 | 2025-03-01 | Buy |
| Sigma-Aldrich | 8.10504 | 2-Methyl-1,3-cyclopentanedione for synthesis | 765-69-5 | 10g | $64.1 | 2023-05-15 | Buy |
| TCI Chemical | M0901 | 2-Methyl-1,3-cyclopentanedione >97.0%(GC)(T) | 765-69-5 | 5g | $32 | 2025-03-01 | Buy |
| TCI Chemical | M0901 | 2-Methyl-1,3-cyclopentanedione >97.0%(GC)(T) | 765-69-5 | 25g | $125 | 2025-03-01 | Buy |
2-Methyl-1,3-cyclopentanedione Chemical Properties,Uses,Production
Chemical Properties
LIGHT BEIGE TO TAN CRYSTALLINE POWDERUses
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.Uses
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.Synthesis Reference(s)
Synthetic Communications, 19, p. 373, 1989 DOI:
Synthesis of 2-Methyl-1,3-cyclopentanedione from tert-Butyl peroxybenzoate and 1,3-Cyclopentanedione
2-Methyl-1,3-cyclopentanedione Preparation Products And Raw materials
Global( 283)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Guanlang Biotechnology Co,.LTD | +8619930503252 | daisy@crovellbio.com | China | 5964 | 58 |
| Ouhuang Engineering Materials (Hubei) Co., Ltd | +8617702722807 | admin@hbouhuang.com | China | 3001 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21689 | 55 |
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29914 | 58 |
| Shenzhen Nexconn Pharmatechs Ltd | +86-755-89396905 +86-15013857715 | admin@nexconn.com | China | 10248 | 58 |
| Accela ChemBio Inc. | (+1)-858-699-3322 | info@accelachem.com | United States | 19965 | 58 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22968 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-61398051 +8613650506873 | sales@chemdad.com | China | 39916 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63711 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49391 | 58 |
View Lastest Price from 2-Methyl-1,3-cyclopentanedione manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-04-27 | 2-Methylcyclopentane-1,3-dione
765-69-5
|
US $10.00 / kg | 1kg | 99.6% | 100000 | Ouhuang Engineering Materials (Hubei) Co., Ltd | |
 |
2024-06-30 | 2-Methyl-1, 3-Cyclopentanedione
765-69-5
|
US $5.00-2.00 / KG | 1KG | 99% | 10000kg | Hebei Guanlang Biotechnology Co,.LTD | |
 |
2023-10-11 | 2-Methyl-1,3-cyclopentanedione
765-69-5
|
US $0.00-0.00 / KG | 1KG | 98% | 1ton | Henan Aochuang Chemical Co.,Ltd. |
-
- 2-Methylcyclopentane-1,3-dione
765-69-5
- US $10.00 / kg
- 99.6%
- Ouhuang Engineering Materials (Hubei) Co., Ltd
-
- 2-Methyl-1, 3-Cyclopentanedione
765-69-5
- US $5.00-2.00 / KG
- 99%
- Hebei Guanlang Biotechnology Co,.LTD
-
- 2-Methyl-1,3-cyclopentanedione
765-69-5
- US $0.00-0.00 / KG
- 98%
- Henan Aochuang Chemical Co.,Ltd.
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2-METHYL-1,3-CYCLOPENTANEDIONE / CAS:765-69-5
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CH3C5H5O2
Building Blocks
Carbonyl Compounds
C3 to C6
Organic Building Blocks
Ketones
Miscellaneous
ketone
C3 to C6
Carbonyl Compounds
Ketones