Description

Cyclopentylidenecyclopentane is a specialized, highly volatile hydrocarbon building block with the CAS number 16189-35-8. This compound is valued for its unique bridged bicyclic structure, which makes it a versatile intermediate in advanced organic synthesis. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for compounds with constrained ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure can contribute to specific biological activity.
• Ligand and Catalyst Development: Acts as a precursor for sophisticated ligands used in asymmetric catalysis and organometallic chemistry.
• Material Science Research: Investigated as a monomer or additive for the synthesis of novel polymers with specific thermal or mechanical properties.
• Fragrance and Flavor Chemistry: Explored as a potential intermediate for creating unique musk or woody odorant molecules due to its bicyclic framework.
• Organic Electronic Materials: Studied as a building block for π-conjugated systems in organic semiconductors and light-emitting materials.

Basic Information

Product Name	Cyclopentylidenecyclopentane
CAS No.	16189-35-8
Molecular Formula	C10H16
Molecular Weight	136.23 g/mol
Synonyms	Bicyclo[5.3.0]decane; 1,2,3,4,5,6,7,8-Octahydropentalene; Perhydropentalene; Decahydropentalene; 3a,4,5,6,7,7a-Hexahydro-1H-indene (incorrect but common misnomer); Bicyclopentylidene
EINECS	Contact for details

Quality Control

Our Cyclopentylidenecyclopentane is produced and handled under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific project or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place at 15-25°C. Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining under an inert atmosphere such as nitrogen to prevent potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Non-volatile Residue	≤ 0.1%

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