Description

1,2,3,4-Tetramethyl-1,3-Cyclopentadiene is a specialized, highly substituted cyclopentadiene derivative that serves as a critical building block in advanced organic synthesis. Its unique sterically hindered structure makes it a valuable precursor for creating complex ligands and catalysts, particularly in organometallic chemistry and materials science. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require high-purity intermediates for developing novel compounds.

Application

• Organometallic Catalyst Synthesis: A key ligand precursor for the preparation of transition metal catalysts used in asymmetric hydrogenation and polymerization reactions.
• Pharmaceutical Intermediate: Serves as a sophisticated building block in the synthesis of complex, sterically demanding active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel, high-performance crop protection agents and plant growth regulators.
• Specialty Polymer Monomer: Employed in the creation of advanced polymeric materials with tailored thermal and mechanical properties.
• Fine Chemical Synthesis: Acts as a versatile intermediate for synthesizing other substituted cyclopentadienes and fulvenes for research applications.
• Materials Science: Utilized in the development of molecular precursors for advanced organic electronic materials and metal-organic frameworks (MOFs).

Basic Information

Item	Detail
Product Name	1,2,3,4-Tetramethyl-1,3-Cyclopentadiene
CAS No.	4249-10-9
Molecular Formula	C9H14
Molecular Weight	122.21 g/mol
Synonyms	1,2,3,4-Tetramethylcyclopentadiene; Tetramethylcyclopentadiene; 1,3-Cyclopentadiene, 1,2,3,4-tetramethyl-; 1,2,3,4-Tetramethyl-1,3-cyclopentadiene; 1,2,3,4-Tetramethylcyclopenta-1,3-diene
EINECS	224-214-8

Quality Control

Our 1,2,3,4-Tetramethyl-1,3-Cyclopentadiene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for demanding synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the stringent requirements of research and development as well as scale-up production.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, well-ventilated area. Due to its highly volatile nature, keep containers tightly sealed and handle in a fume hood. Recommended storage temperature is 2-8°C for long-term stability.

Specification

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