2-hydroxycyclopent-2-en-1-one
- CAS No.
- 10493-98-8
- Chemical Name:
- 2-hydroxycyclopent-2-en-1-one
- Synonyms
- 2-Cyclopenten-1-one, 2-hydroxy-;2-Hydroxy-2-cyclopenten-1-one;Einecs 234-020-8;2-Hydroxycyclopent-2-enone;2-Hydroxy-2-cyclopentenone;2-hydroxycyclopent-2-en-1-one;1-Hydroxy-1-cyclopenten-5-one
- CBNumber:
- CB8942124
- Molecular Formula:
- C5H6O2
- Molecular Weight:
- 98.1
- MDL Number:
- MFCD16251523
- MOL File:
- 10493-98-8.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| 2-Hydroxycyclopent-2-en-1-one min. 95.0 % | H1874 | 200MG | $91 |
| 2-Hydroxycyclopent-2-en-1-one min. 95.0 % | H1874 | 1G | $273 |
| 2-Hydroxycyclopent-2-en-1-one | H954073 | 500mg | $220 |
| 2-Hydroxycyclopent-2-en-1-one | X8732 | 10g | $1345 |
| 2-Hydroxycyclopent-2-en-1-one 95+% | 119271 | 5g | $1350 |
| Melting point | 52-53℃ |
|---|---|
| Boiling point | 245℃ |
| Density | 1.334 |
| Flash point | 101℃ |
| storage temp. | 2-8°C |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 8.90±0.20(Predicted) |
| color | Brown to Very Dark Brown |
| Odor | at 0.10 % in propylene glycol. maple caramel |
| Odor Type | caramellic |
| InChI | InChI=1S/C5H6O2/c6-4-2-1-3-5(4)7/h2,6H,1,3H2 |
| InChIKey | WOPKYMRPOKFYNI-UHFFFAOYSA-N |
| SMILES | C1(=O)CCC=C1O |
| LogP | -0.290 (est) |
| FDA UNII | DQ8L4K1DLJ |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P264-P280-P302+P352-P321-P332+P313-P362-P305+P351+P338-P337+P313-P261-P271-P304+P340-P312-P403+P233-P405-P501 |
2-hydroxycyclopent-2-en-1-one price More Price(26)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | H1874 | 2-Hydroxycyclopent-2-en-1-one min. 95.0 % | 10493-98-8 | 200MG | $91 | 2026-03-19 | Buy |
| TCI Chemical | H1874 | 2-Hydroxycyclopent-2-en-1-one min. 95.0 % | 10493-98-8 | 1G | $273 | 2026-03-19 | Buy |
| TRC | H954073 | 2-Hydroxycyclopent-2-en-1-one | 10493-98-8 | 500mg | $220 | 2021-12-16 | Buy |
| AK Scientific | X8732 | 2-Hydroxycyclopent-2-en-1-one | 10493-98-8 | 10g | $1345 | 2021-12-16 | Buy |
| Matrix Scientific | 119271 | 2-Hydroxycyclopent-2-en-1-one 95+% | 10493-98-8 | 5g | $1350 | 2021-12-16 | Buy |
2-hydroxycyclopent-2-en-1-one Chemical Properties,Uses,Production
Uses
2-Hydroxycyclopent-2-en-1-one is a useful compound for preparing natural flavors.
Synthesis
5057-98-7
10493-98-8
General procedure for the synthesis of 2-hydroxy-2-cyclopenten-1-one from cis-1,2-cyclopentanediol: cis-1,2-cyclopentanediol (0.424 mmol), Pt/C catalyst (1 or 5 mol% metal loading with respect to the diol), LiOH-H2O (1.0 equiv, 0.424 mmol) and solvent (2 mL, MeCN/H2O 1:1) were added to a 10 mL glass reactor equipped with a condenser and stirred at 60 °C for an appropriate time. The reaction progress was monitored by TLC. When product formation stopped, the catalyst was removed by filtration and washed with EtOAc (3 × 3 mL) to obtain a two-phase solution. The aqueous phase was acidified to pH 5 with 1 M HCl and the layers were separated. The aqueous layer was extracted twice with EtOAc (20 mL). All organic phases were combined, dried with MgSO4 and concentrated in vacuum. The crude product was purified by column chromatography (EtOAc/petroleum ether or MeOH/CH2Cl2) to afford the target product 2-hydroxy-2-cyclopenten-1-one, which is a keto-enol interconjugate isomer.
References
[1] Tetrahedron, 2014, vol. 70, # 22, p. 3608 - 3613
2-hydroxycyclopent-2-en-1-one Preparation Products And Raw materials
Raw materials
1of2
Preparation Products
2-hydroxycyclopent-2-en-1-one Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
| Career Henan Chemica Co | +86-0371-86658258 +8613203830695 | laboratory@coreychem.com | China | 30227 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 | eric@witopchemical.com | China | 23541 | 58 |
| Labnetwork lnc. | +86-27-50766799 +8618062016861 | contact@labnetwork.com | China | 19987 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 | market18@leapchem.com | China | 24597 | 58 |
| SUZHOU SENFEIDA CHEMICAL CO.,LTD | +86-0512-83500002 +8618662433356 | 3899766280@qq.com | China | 26362 | 58 |
| Shanghai Acmec Biochemical Technology Co., Ltd. | +86-18621343501; +undefined18621343501 | product@acmec-e.com | China | 33324 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 | |
| SHANGHAI KEAN TECHNOLOGY CO., LTD. | +8613817748580 | cooperation@kean-chem.com | China | 40066 | 58 |
| Shaanxi Dideu New Materials Co. Ltd | +86-18192503167 18192503167; | 1036@dideu.com | China | 7888 | 58 |
View Lastest Price from 2-hydroxycyclopent-2-en-1-one manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-12-01 | 2-hydroxycyclopent-2-en-1-one
10493-98-8
|
US $0.00 / kg | 1kg | 99% | 10000KGS | Shaanxi Dideu New Materials Co. Ltd |
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- 2-hydroxycyclopent-2-en-1-one
10493-98-8
- US $0.00 / kg
- 99%
- Shaanxi Dideu New Materials Co. Ltd
