Description

1,2,3,4,5-Pentamethylcyclopentadiene is a highly substituted, reactive cyclopentadiene derivative that serves as a critical precursor in organometallic and materials chemistry. Its value lies in its ability to act as a versatile ligand and building block for synthesizing advanced catalysts and specialty polymers. This compound is essential for researchers and manufacturers in the fine chemical, pharmaceutical, and advanced materials sectors who require high-purity intermediates for complex synthesis.

Application

• Organometallic Catalyst Synthesis: A key ligand precursor for metallocenes and other transition metal complexes used in polymerization and asymmetric catalysis.
• Fine Chemical Intermediate: Serves as a building block in the multi-step synthesis of complex organic molecules for pharmaceuticals and agrochemicals.
• Polymer & Materials Science: Used in the development of novel polymeric materials and functionalized surfaces with tailored properties.
• Academic & Industrial R&D: A valuable reagent for exploring new reaction pathways and developing novel catalytic systems in research laboratories.
• Ligand for Metal-Organic Frameworks (MOFs): Can be utilized to create functionalized ligands for the construction of advanced porous materials.

Basic Information

Product Name	1,2,3,4,5-Pentamethylcyclopentadiene
CAS No.	4045-44-7
Molecular Formula	C₁₀H₁₆
Molecular Weight	136.23 g/mol
Synonyms	Pentamethylcyclopentadiene; 1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene; 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene; PMCP; PMCPD; Cyclopentadiene, 1,2,3,4,5-pentamethyl-
EINECS	223-751-1

Quality Control

Our 1,2,3,4,5-Pentamethylcyclopentadiene is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and IR spectroscopy, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and volatility. Keep away from heat, sparks, and open flame. The container should be kept in a cool, well-ventilated place.

Specification

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