Description

Methylcyclopentadiene Dimer CAS NO 26472-00-4 is a high-purity, reactive hydrocarbon intermediate derived from the dimerization of methylcyclopentadiene. This compound is valued for its role as a versatile precursor in the synthesis of specialty chemicals and advanced materials, offering a critical building block for complex molecular architectures. It is primarily sought after by manufacturers in the fine chemical, pharmaceutical, and advanced polymer sectors for developing high-performance additives, ligands, and resins.

Application

• Fine Chemical Synthesis: Serves as a key intermediate for producing complex organic molecules, including pharmaceuticals and agrochemicals.
• Catalyst and Ligand Production: Used in the manufacture of specialized ligands for transition metal catalysis and organometallic compounds.
• Advanced Polymer & Resin Modifiers: Acts as a reactive monomer or cross-linking agent in the production of specialty polymers, resins, and hydrocarbon resins to modify properties.
• Fuel & Lubricant Additives: Employed as a precursor for synthesizing high-performance additives that improve fuel stability and lubricant characteristics.
• Fragrance & Flavor Intermediates: Utilized in the controlled synthesis of specific aroma chemicals and flavoring agents.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and material science applications.

Basic Information

Product Name	Methylcyclopentadiene Dimer
CAS No.	26472-00-4
Molecular Formula	C12H16
Molecular Weight	160.26 g/mol
Synonyms	1,3-Cyclopentadiene, 1-methyl-, dimer; Methyl cyclopentadiene dimer; 1-Methylcyclopentadiene dimer; 5-Methylcyclopentadiene dimer; Dicyclopentadiene, methyl-; MCPD dimer; Tetrahydro-1-methylindene (isomer mixture); 1-Methyl-1,3-cyclopentadiene dimer
EINECS	247-732-6

Quality Control

Our Methylcyclopentadiene Dimer is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including gas chromatography (GC) and spectroscopic methods, to verify identity and assay. A Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is 2-25°C. The product may be light-sensitive and should be handled under an inert atmosphere for prolonged storage to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.90 - 0.95
Refractive Index (20°C)	1.50 - 1.52

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