Description

3,3-Dimethylcyclopentene is a specialized, high-purity cyclic olefin monomer used as a critical building block in advanced organic synthesis and material science. Its unique sterically hindered structure makes it a valuable intermediate for creating complex molecules with tailored properties. This compound is essential for R&D and production in the pharmaceutical, agrochemical, and specialty polymer industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators.
• Specialty Polymer Monomer: Acts as a monomer or co-monomer for producing polymers with specific thermal and mechanical properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, hydrogenation studies, and other cycloaddition chemistry for academic and industrial research.
• Fragrance & Flavor Chemistry: Utilized in the synthesis of complex aroma chemicals and flavoring agents.
• Material Science Research: Investigated for use in advanced coatings, adhesives, and electronic materials.

Basic Information

Product Name	3,3-Dimethylcyclopentene
CAS No.	58049-91-5
Molecular Formula	C7H12
Molecular Weight	96.17 g/mol
Synonyms	3,3-Dimethyl-1-cyclopentene; 1-Cyclopentene, 3,3-dimethyl-; 3,3-Dimethylcyclopent-1-ene; NSC 163045
EINECS	Contact for details

Quality Control

Our 3,3-Dimethylcyclopentene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to verify identity, purity, and moisture content. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance protocols.

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). Keep away from heat, sparks, and open flame. Due to its sensitivity to oxidation, containers should be kept sealed and purged with inert gas after each use.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~0.78 g/mL
Refractive Index (n20D)	~1.428

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