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ChemicalBook--->CAS DataBase List--->4819-67-4

4819-67-4

4819-67-4 Structure

4819-67-4 Structure
IdentificationBack Directory
[Name]

2-N-PENTYLCYCLOPENTANONE
[CAS]

4819-67-4
[Synonyms]

QUINTONE
DELPHONE, FIRMENICH
2-AMYL CYCLOPENTANONE
2-pentyl-cyclopentanon
2-Pentylcyclopentanone
2-pentyl-Cyclopentanone
2-N-PENTYLCYCLOPENTANONE
2-Pentylcyclopentan-1-on
2-pentylcyclopentan-1-one
Cyclopentanone, 2-pentyl-
R,S-2-Pentyl-cyclopentanone
(R,S)-2-Pentyl-cyclopentanone
2-N-PENTYLCYCLOPENTANONE USP/EP/BP
[EINECS(EC#)]

225-392-2
[Molecular Formula]

C10H18O
[MDL Number]

MFCD00193623
[MOL File]

4819-67-4.mol
[Molecular Weight]

154.25
Chemical PropertiesBack Directory
[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
[Odor Type]

floral
[Water Solubility ]

278.8mg/L at 20℃
[LogP]

3.3 at 30℃
[EPA Substance Registry System]

Cyclopentanone, 2-pentyl- (4819-67-4)
Hazard InformationBack Directory
[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]

Nonflammable
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