Description

1-Ethenyl-3-Methylenecyclopentene is a specialized, high-purity cyclic diene monomer with the CAS number 61142-07-2. This compound serves as a critical building block in advanced polymer synthesis, offering unique reactivity due to its conjugated double-bond system. It is essential for R&D and production in sectors requiring custom-tailored polymer backbones with specific thermal and mechanical properties.

Application

• Specialty Polymer Synthesis: A key monomer for producing novel copolymers and homopolymers with tailored characteristics.
• Advanced Material Research: Used in R&D for developing new elastomers, adhesives, and coatings with enhanced performance.
• Pharmaceutical Intermediates: Serves as a precursor in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Fine Chemical Manufacturing: Employed in organic synthesis for creating specialty chemicals and functionalized compounds.
• Cross-linking Agent: Utilized to introduce cross-links into polymer matrices, improving chemical resistance and durability.
• Academic & Industrial R&D: A valuable reagent for studying Diels-Alder reactions and other cycloaddition chemistry.

Basic Information

Product Name	1-Ethenyl-3-Methylenecyclopentene
CAS No.	61142-07-2
Molecular Formula	C8H10
Molecular Weight	106.17 g/mol
Synonyms	3-Methylene-1-vinylcyclopentene; 1-Vinyl-3-methylenecyclopentene; 3-Ethenylidenecyclopentene; NSC 163081; 1-Ethenyl-3-methylidenecyclopentene; 3-Methylene-1-ethenylcyclopentene
EINECS	Contact for details

Quality Control

Our 1-Ethenyl-3-Methylenecyclopentene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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 room temperature (15-25°C). Due to its highly volatile and easily oxidized nature, minimize exposure to air and heat. Keep away from ignition sources and oxidizing agents.

Specification

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