C112402

Cyclopentanone

ReagentPlus^®, ≥99%

• Synonym(s): Adipic ketone
• Linear Formula: C₅H₈(=O)
• CAS Number: 120-92-3
• Molecular Weight: 84.12
• Beilstein/REAXYS Number: 605573
• EC Number: 204-435-9
• MDL number: MFCD00001409
• UNSPSC Code: 12352100
• PubChem Substance ID: 24892352
• NACRES: NA.21
• assay: ≥99%
• bp: 130-131 °C (lit.)

Properties

• Quality Level: 200
• product line: ReagentPlus^®
• assay: ≥99%
• form: liquid
• dilution: (for general lab use)
• refractive index: n20/D 1.437 (lit.)
• bp: 130-131 °C (lit.)
• mp: −51 °C (lit.)
• density: 0.951 g/mL at 25 °C (lit.)
• functional group: ketone
• SMILES string: O=C1CCCC1
• InChI: 1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2
• InChI key: BGTOWKSIORTVQH-UHFFFAOYSA-N

Description

General description

Cyclopentanone is cyclic ketone. Baeyer-Villiger-oxidation of cyclopentanone using aqueous hydrogen peroxide containing 30% H₂O₂, solid acid catalysts has been studied. Microwave spectra of cyclopentanone has been reported. Transformation of furfural (FFA) to cyclopentanone (CPO) by various methods has been reported. Unimolecular degradation pathways of cyclopentanone have been studied.

Application

Cyclopentanone was used to design an absorbing fluorescent filter for fluorescent imaging system.
It may be used in the following studies:

• Preparation of (2E,5E)-2,5-bis(4-(azidomethyl)benzylidene) cyclopentanone, via cross-aldol condensation.
• Preparation of symmetrical C-5 curcuminoids by reacting with substituted benzaldehyde via Claisen-Schmidt condensation.
• As an electron pair donor to stabilize allyl and vinyl cations during intramolecular carbohydroxylation of alkynes.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS02,GHS07
• signalword: Warning
• hcodes: H226,H315,H319
• pcodes: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 86.0 °F - closed cup
• flash_point_c: 30 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter