Description

Cyclopropanone CAS NO 5009-27-8 is a highly reactive and synthetically valuable strained ketone, serving as a crucial building block in advanced organic synthesis. Its unique three-membered ring structure makes it an indispensable precursor for constructing complex molecular frameworks, including natural products and pharmaceuticals. This compound is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel compounds and synthetic methodologies.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of cyclopropane-containing drug candidates, a privileged structure in medicinal chemistry.
• Agrochemical Research: Used in developing novel pesticides and herbicides that incorporate the stable yet reactive cyclopropane moiety.
• Fine Chemical Synthesis: Employed in the preparation of specialty chemicals, flavors, fragrances, and advanced materials requiring cyclopropanation.
• Academic & Industrial R&D: Serves as a fundamental reagent in methodological studies of ring-opening reactions, cycloadditions, and catalysis.
• Polymer Chemistry: Investigated as a monomer or cross-linking agent for creating polymers with unique thermal and mechanical properties.

Basic Information

Item	Detail
Product Name	Cyclopropanone
CAS No.	5009-27-8
Molecular Formula	C3H4O
Molecular Weight	56.06 g/mol
Synonyms	Cyclopropanone; Ketocyclopropane; Trimethylene ketone; Oxocyclopropane; Cyclopropyl ketone; 1-Oxacyclobut-2-ene (tautomer); Cyclopropan-1-one
EINECS	Contact for details

Quality Control

Our Cyclopropanone is produced and handled under strict quality protocols to ensure batch-to-batch consistency and purity for research applications. While typically supplied as a research-grade chemical, specifications including purity (by GC or NMR), identity confirmation, and solvent content are rigorously controlled. A Certificate of Analysis (COA) detailing all relevant parameters is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and easily oxidized nature, this material should be stored under an inert atmosphere (e.g., nitrogen or argon) at recommended temperatures between 2°C and 8°C. Handle and open containers only in a well-ventilated fume hood to minimize exposure and prevent moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid/solution*
Identification (IR / NMR)	Conforms to structure
Purity (GC / NMR)	≥ 95% (Typical, varies by grade)
Solvent Content (GC)	Reported on COA

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.

*Note: Due to high reactivity and instability, cyclopropanone is often handled and supplied as a stabilized solution or a derivative. Exact physical form and specifications depend on the supplied grade.