Description

Cyclobutene CAS NO 822-35-5 is a highly reactive, gaseous hydrocarbon featuring a strained four-membered ring, making it a valuable building block in synthetic organic chemistry. Its unique structure provides a versatile platform for ring-opening and cycloaddition reactions, enabling the synthesis of complex molecular architectures. This compound is primarily sought by research institutions and industrial R&D departments focused on advanced material science, pharmaceutical intermediates, and the development of novel polymers and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex bioactive molecules and active pharmaceutical ingredients (APIs) through controlled ring-opening reactions.
• Polymer & Material Science: Utilized as a monomer or co-monomer in the development of specialty polymers with tailored thermal and mechanical properties.
• Organic Synthesis Reagent: Acts as a fundamental building block in Diels-Alder and other cycloaddition reactions to construct carbocyclic and heterocyclic compounds.
• Chemical Research: Employed in academic and industrial laboratories for studying strain-release chemistry and developing new catalytic methodologies.
• Fine Chemical Production: Used in the manufacture of high-value specialty chemicals, including flavors, fragrances, and advanced agrochemical intermediates.

Basic Information

Product Name	Cyclobutene
CAS No.	822-35-5
Molecular Formula	C4H6
Molecular Weight	54.09 g/mol
Synonyms	Cyclobut-1-ene; 1-Cyclobutene; Bicyclo[1.1.0]but-1(3)-ene; UN 2601
EINECS	212-500-5

Quality Control

Our Cyclobutene is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its gaseous and highly volatile nature, this product must be stored in a certified, properly rated gas cylinder or pressure vessel in a cool, well-ventilated area away from heat, sparks, and open flames. Store under an inert atmosphere to prevent decomposition or polymerization. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless Gas
Identification (IR)	Conforms to Standard
Assay (GC)	≥ 98.0%
Moisture (KF)	≤ 0.1%
Non-condensable Gases	≤ 1.0%

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