Description

3,3,5,5-Tetramethylcyclopentene is a highly substituted cyclic olefin characterized by its unique sterically hindered structure. This compound serves as a valuable and versatile chemical intermediate for advanced organic synthesis, particularly in the development of complex molecules. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to build sophisticated molecular architectures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of sterically hindered active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Synthesis: Serves as a key building block for creating novel pesticides and herbicides with specific steric properties.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and organometallic chemistry.
• Material Science Research: Acts as a monomer or precursor for developing polymers with unique thermal and mechanical properties.
• Fragrance and Flavor Chemistry: Utilized as an intermediate for synthesizing specific musk or woody aroma chemicals.
• Organic Synthesis Building Block: A critical reagent for Diels-Alder reactions and other cycloadditions to construct complex polycyclic frameworks.

Basic Information

Product Name	3,3,5,5-Tetramethylcyclopentene
CAS No.	38667-10-6
Molecular Formula	C9H16
Molecular Weight	124.22 g/mol
Synonyms	3,3,5,5-Tetramethyl-1-cyclopentene; 1-Cyclopentene, 3,3,5,5-tetramethyl-; Tetramethylcyclopentene; NSC 163045; 3,3,5,5-Tetramethylcyclopent-1-ene
EINECS	Contact for details

Quality Control

Our 3,3,5,5-Tetramethylcyclopentene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, GC-MS, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research and production standards.

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 place. Due to its highly volatile and easily oxidized nature, the container should be kept tightly sealed and away from heat, sparks, and open flame. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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