Description

1-Ethyl-1-Cyclopentene is a highly volatile, cyclic olefin characterized by its unique five-membered ring structure with an exocyclic double bond. This compound serves as a valuable specialty intermediate in organic synthesis, enabling the construction of complex molecular frameworks. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those requiring functionalized cyclopentane rings.
• Agrochemical Synthesis: Serves as a key building block for creating novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Acts as a precursor in the manufacture of specialty chemicals, flavors, and fragrances.
• Polymer & Material Science: Employed as a monomer or co-monomer in the development of specialty polymers with tailored properties.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D labs for Diels-Alder reactions, hydrogenation studies, and other cycloaddition chemistry.
• Cross-Coupling Reactions: Useful in metal-catalyzed coupling reactions to create more complex organic architectures.

Basic Information

Product Name	1-Ethyl-1-Cyclopentene
CAS No.	2146-38-5
Molecular Formula	C7H12
Molecular Weight	96.17 g/mol
Synonyms	1-Ethylcyclopent-1-ene; Ethylidenecyclopentane; NSC 74121; 1-Cyclopentene, 1-ethyl-; 1-Ethylcyclopentene
EINECS	218-409-8

Quality Control

Our 1-Ethyl-1-Cyclopentene is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR) spectroscopy, to ensure high purity and chemical identity. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids and oxidizing agents. Due to its highly volatile nature, keep containers tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Total impurities ≤ 3.0%

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