2-N-PENTYLCYCLOPENTANONE
- CAS NO.：4819-67-4
- Empirical Formula: C10H18O
- Molecular Weight: 154.25
- MDL number: MFCD00193623
- EINECS: 225-392-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-12 09:14:19
What is 2-N-PENTYLCYCLOPENTANONE?
Chemical properties
2-N-PENTYLCYCLOPENTANONE is a colorless liquid with
a complex floral, aromatic, fruity odor and a lactonic undertone.
2-Pentylcyclopentanone and its higher homolog 2-heptylcyclopentanone are prepared by aldol condensation of cyclopentanone with the
corresponding aliphatic aldehydes to give 2-alkylidenecyclopentanone and subsequent
hydrogenation of the double bond. The aldol reaction can be performed
efficiently by using N-containing bases such as proline and piperidine, in the
presence of acid. The (R)-enantiomers of 2-alkylcyclopentanones
can be prepared in high optical purity from 2-alkylcyclopentenol esters or
2-alkylidene cyclopentanones by using enzymatic methods.
2-Pentylcyclopentanone is used in jasmine, herbal, and lavender compositions.
Flammability and Explosibility
Non flammable
Properties of 2-N-PENTYLCYCLOPENTANONE
| Boiling point: | 90 °C(Press: 10 Torr) |
| Density | 0.895±0.06 g/cm3(Predicted) |
| vapor pressure | 15.4Pa at 25℃ |
| storage temp. | 2-8°C |
| Odor | at 1.00 % in dipropylene glycol. coconut jasmin oily rose fern green herbal |
| Water Solubility | 278.8mg/L at 20℃ |
| EPA Substance Registry System | Cyclopentanone, 2-pentyl- (4819-67-4) |
Safety information for 2-N-PENTYLCYCLOPENTANONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
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-N-PENTYLCYCLOPENTANONE
New Products
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