Description

1,2-Bismethylenecyclobutane is a highly reactive strained hydrocarbon building block, also known as 1,2-dimethylenecyclobutane. Its unique structure, featuring two exocyclic methylene groups on a four-membered ring, makes it a valuable intermediate for advanced organic synthesis and materials science research. This compound is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for the synthesis of novel strained-ring compounds and bioactive molecules in medicinal chemistry research.
• Polymer & Materials Science: Acts as a monomer or cross-linking agent for developing polymers with unique thermal and mechanical properties.
• Agrochemical Synthesis: Used in the research and development of new active ingredients with complex cyclic structures.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions and other cycloadditions to construct bicyclic and polycyclic frameworks.
• Ligand & Catalyst Development: Investigated for the preparation of novel ligands in coordination chemistry and catalysis.
• Academic & Industrial R&D: A fundamental reagent for studying reaction mechanisms and ring strain in advanced organic chemistry.

Basic Information

Product Name	1,2-Bismethylenecyclobutane
CAS No.	14296-80-1
Molecular Formula	C6H8
Molecular Weight	80.13 g/mol
Synonyms	1,2-Dimethylenecyclobutane; Bicyclo[2.2.0]hex-1(4)-ene; 1,2-Bis(methylene)cyclobutane; 1,4-Dihydrobenzene (not to be confused with benzene derivatives); Cyclobutane, 1,2-dimethylene-; 1,2-Dimethylidenecyclobutane
EINECS	Contact for details

Quality Control

Our 1,2-Bismethylenecyclobutane is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and purity for research applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place, preferably at 2-8°C or under conditions recommended on the specific material safety data sheet. Keep away from heat, sparks, open flames, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.