CAS 1128-08-1PubChem CID 62378
Dihydrojasmone
3-methyl-2-pentylcyclopent-2-en-1-one is a cyclic ketone. — ChEBI
- IUPAC name
- 3-methyl-2-pentylcyclopent-2-en-1-one
- Molecular formula
- C11H18O
- Molecular weight
- 166.26 g/mol
- Exact mass
- 166.135765193 Da
- XLogP3
- 2.9
- Topological polar surface area
- 17.1 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 1
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
3-Methyl-2-pentylcyclopent-2-enone2-CYCLOPENTEN-1-ONE, 3-METHYL-2-PENTYL-FEMA No. 37633-Methyl-2-(n-pentanyl)-2-cyclopenten-1-oneY953R7PP90NSC-71928RefChem:133852214-434-5
16 more reported names
2-Pentyl-3-methyl-2-cyclopenten-1-oneJasmone, dihydro-Dihydrojasmone (natural)JASMONE,DIHYDROEINECS 214-434-52-Amyl-3-methyl-2-cyclopenten-1-one2-n-Pentyl-3-methyl-2-cyclopenten-1-oneCHEBI:1437303-Methyl-2-pentyl-cyclopent-2-enone2-PENTYL-3-METHYL-2-CYCLOPENTENONEEN300-20968TetrahydropyrethroneNSC 71928BRN 1906471dihydro-jasmoneUNII-Y953R7PP90
External database identifiers
- ChEBI:CHEBI:143730
- ChEMBL:CHEMBL3728427
- EPA DTXSID:DTXSID4051584
- PubMed:22445841
Evidence from additional scientific databases
NIH PubChem PUG-View
Exact identifier match62378
Attributed physical-property, hazard, environmental and use annotations.
- Boiling Point: 79 °C (0.19 mm Hg) Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Density: 0.911-0.917 Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Physical Description: Colourless liquid; celery, herbacous, spicy aroma Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Refractive Index: 1.676-1.682 Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: Soluble in fats; Very slightly soluble in water Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: Soluble (in ethanol) Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Note: This chemical does not meet GHS hazard criteria for 21.2% (347 of 1635) of reports. Source: European Chemicals Agency (ECHA)
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H319 (78.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 1635 reports by companies from 3 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 347 of 1635 reports by companies.; There are 2 notifications provided by 1288 of 1635 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.