Description

3-Ethylidene-1-Methyl-1-Cyclopentene is a specialized, high-purity cyclic olefin monomer. This compound is valued for its unique reactivity and serves as a critical building block in advanced organic synthesis and polymer chemistry. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel compounds and materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex, biologically active molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and specialty herbicides.
• Specialty Polymer Monomer: Serves as a co-monomer for creating polymers with tailored properties such as specific refractive indices or thermal stability.
• Fine Chemical Production: Employed in the manufacture of flavors, fragrances, and other high-value fine chemicals.
• Organic Synthesis Research: A versatile reagent in academic and industrial R&D for Diels-Alder reactions and other cycloaddition chemistry.
• Material Science: Investigated for use in creating novel organic electronic materials and coatings.

Basic Information

Product Name	3-Ethylidene-1-Methyl-1-Cyclopentene
CAS No.	62338-00-5
Molecular Formula	C8H12
Molecular Weight	108.18 g/mol
Synonyms	1-Methyl-3-ethylidenecyclopentene; 3-Ethylidene-1-methylcyclopentene; 1-Methyl-3-ethylidene-1-cyclopentene; 3-Ethylidene-1-methyl-1-cyclopentene; 1-Methyl-3-ethylidenecyclopent-1-ene; 3-Ethylidene-1-methylcyclopent-1-ene; Ethylidenemethylcyclopentene
EINECS	Contact for details

Quality Control

Our 3-Ethylidene-1-Methyl-1-Cyclopentene is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

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 at 2-8°C to minimize oxidation and volatility. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.