Description

2-Cyclopenten-1-One is a versatile five-membered cyclic enone, a key building block in organic synthesis. Its reactive α,β-unsaturated carbonyl structure makes it a valuable intermediate for constructing complex molecules, particularly in pharmaceutical and fine chemical research. This compound is essential for chemists and manufacturers engaged in the development of active pharmaceutical ingredients (APIs), agrochemicals, and specialty polymers.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of prostaglandins, steroids, and other bioactive molecules with complex ring systems.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its reactivity to form heterocyclic compounds.
• Fine Chemical Production: Serves as a starting material for fragrances, flavors, and other high-value specialty chemicals.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Academic & Industrial R&D: A fundamental reagent in methodological development for cycloaddition reactions, Michael additions, and other key synthetic transformations.
• Material Science: Investigated for use in organic electronics and advanced material precursors due to its conjugated system.

Basic Information

Product Name	2-Cyclopenten-1-One
CAS No.	930-30-3
Molecular Formula	C5H6O
Molecular Weight	82.10 g/mol
Synonyms	Cyclopent-2-en-1-one; 2-Cyclopentenone; 3-Cyclopenten-1-one; Cyclopentenone; 1-Cyclopenten-3-one; 2-Oxocyclopentene; NSC 66410
EINECS	213-217-6

Quality Control

Our 2-Cyclopenten-1-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Due to its sensitivity to oxidation, containers should be kept sealed and purged after each use to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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