8.02670

Cyclopentanone

for synthesis

• Synonyme(s) : Cyclopentanone
• Formule empirique (notation de Hill): C₅H₈O
• Numéro CAS: 120-92-3
• Poids moléculaire : 84.12
• Numéro MDL: MFCD00001409
• Code UNSPSC : 12352115
• Numéro de classement CE : 204-435-9
• Nomenclature NACRES : NA.22

Propriétés

• Pression de vapeur: 11.5 hPa ( 20 °C)
• Niveau de qualité: 200
• Pureté: ≥99.0% (GC)
• Forme: liquid
• Température d'inflammation spontanée: 445 °C
• Puissance: >5000 mg/kg LD₅₀, skin (Rabbit)
• Limite d'explosivité: 1.6-10.8 % (v/v)
• Point d'ébullition: 131 °C/1013 hPa
• Pf: -58 °C
• Température de transition: flash point 27 °C
• Solubilité: slightly soluble 9.18 g/L
• Densité: 0.95 g/cm³ at 20 °C
• Température de stockage: 2-30°C
• InChI: 1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2
• Clé InChI: BGTOWKSIORTVQH-UHFFFAOYSA-N

Description

Application

• Cyclopentanone as a catalyst in stereoselective synthesis: Research highlighted the use of cyclopentanone in enhancing substrate stereoselectivity during the isothiourea-catalyzed conjugate addition of cyclic alpha-substituted beta-ketoesters to alpha,beta-unsaturated aryl esters, providing a pathway for precision in chemical synthesis. (Yuan et al., 2023).


• Role in the synthesis of metal complexes: Cyclopentanone contributed to the synthesis, structural determination, and reactivity study of complex metal systems such as trindane and truxene, underscoring its utility in advanced organic synthesis and materials science. (Lock et al., 2023).


• Impact on the properties of fluorinated derivatives: A theoretical study involving cyclopentanone examined the molecular properties of fluorinated derivatives, highlighting its importance in the development of high-performance solvents and pharmaceutical intermediates. (Tshepelevitsh et al., 2023).

Remarque sur l'analyse

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.947 - 0.949
Identity (IR): passes test

Informations sur la sécurité

• Pictogrammes: GHS02,GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H226 - H315 - H319
• Conseils de prudence: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2
• Code de la classe de stockage: 3 - Flammable liquids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): 86.0 °F - closed cup
• Point d'éclair (°C): 30 °C - closed cup