Description

Methylidenecycloheptane is a specialized organic compound belonging to the class of cycloalkenes, characterized by its seven-membered ring structure with an exocyclic methylidene group. This unique molecular architecture makes it a valuable and versatile chemical intermediate for advanced organic synthesis and materials science research. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with seven-membered carbocyclic or heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators that require specific cyclic alkene functionalities.
• Specialty Polymer Monomer: Acts as a precursor for ring-opening metathesis polymerization (ROMP) to create polymers with unique thermal and mechanical properties for advanced materials.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloaddition chemistry to construct complex polycyclic compounds in academic and industrial research laboratories.
• Fragrance & Flavor Chemistry: Utilized as an intermediate in the development of synthetic musk compounds and other complex aroma chemicals.
• Ligand & Catalyst Development: Provides a structural backbone for creating novel chelating ligands and organometallic catalysts used in asymmetric synthesis.

Basic Information

Product Name	Methylidenecycloheptane
CAS No.	2505-03-5
Molecular Formula	C8H14
Molecular Weight	110.20 g/mol
Synonyms	Methylenecycloheptane; Cycloheptylidene methane; 1-Methylidenecycloheptane; NSC 74131; 3,4,5,6,7,8-Hexahydro-1H-cyclohepta[b]furan; (Cycloheptylidene)methane
EINECS	Contact for details

Quality Control

Our Methylidenecycloheptane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR) spectroscopy, to ensure high purity and consistent chemical identity. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting critical parameters such as assay, identity, and impurity profiles to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its unsaturated nature, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability to minimize potential oxidation or polymerization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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