2-PENTYL-2-CYCLOPENTEN-1-ONE
- CAS NO.：25564-22-1
- Empirical Formula: C10H16O
- Molecular Weight: 152.23
- MDL number: MFCD00036631
- EINECS: 247-104-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-06-05 14:22:41
What is 2-PENTYL-2-CYCLOPENTEN-1-ONE?
Chemical properties
Amyl cyclopentenone is a colorless or very pale straw-colored liquid.Insoluble in water.
The Uses of 2-PENTYL-2-CYCLOPENTEN-1-ONE
Amyl cyclopentenone is suggested for use in perfume compositions, primarily in the creation of artificial Jasmin, Jasmin bases, specialties, etc. It can also be used as a floralizer for fragrances other than those of the Jasmin type, mainly in the milder florals, and in a few sharper ones, such as Hyacinth.
Preparation
Amyl cyclopentenone is prepared from Decenoic acid by treatment with Phosphoric acid.
Synthesis Reference(s)
The Journal of Organic Chemistry, 43, p. 4248, 1978 DOI: 10.1021/jo00415a061
Tetrahedron Letters, 19, p. 4661, 1978 DOI: 10.1016/S0040-4039(01)85698-7
Synthetic Communications, 11, p. 7, 1981 DOI: 10.1080/00397918108064276
Safety Profile
Moderately toxic by ingestion. Low toxicity by skin contact. When heated to decomposition it emits acrid smoke and irritating vapors.
Solubility in organics
Soluble in alcohol, miscible with perfume oils.
Properties of 2-PENTYL-2-CYCLOPENTEN-1-ONE
| Boiling point: | 114-116 °C15 mm Hg(lit.) |
| Density | 0.921 g/mL at 25 °C(lit.) |
| vapor pressure | 3.6Pa at 20℃ |
| refractive index | n |
| Flash point: | 205 °F |
| storage temp. | Sealed in dry,Room Temperature |
| form | clear liquid |
| color | Colorless to Light orange to Yellow |
| Odor | at 100.00 %. woody isojasmone jasmin tuberose |
| CAS DataBase Reference | 25564-22-1(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Pentyl-2-cyclopenten-1-one (25564-22-1) |
Safety information for 2-PENTYL-2-CYCLOPENTEN-1-ONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H303:Acute toxicity,oral |
| Precautionary Statement Codes |
P312:Call a POISON CENTER or doctor/physician if you feel unwell. |
Computed Descriptors for 2-PENTYL-2-CYCLOPENTEN-1-ONE
New Products
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