Description

1-Methylcyclopenta-1,3-Diene (CAS NO 96-39-9) is a highly reactive, low-molecular-weight cyclic diene of significant interest in advanced organic synthesis. Its unique conjugated structure makes it a valuable building block for creating complex molecular architectures, particularly in the development of specialty polymers, fine chemicals, and pharmaceutical intermediates. This compound is essential for researchers and manufacturers in the agrochemical, fragrance, and materials science industries seeking to innovate with novel hydrocarbon frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex, biologically active molecules and steroid analogs.
• Specialty Polymer & Resin Production: Acts as a monomer or co-monomer for creating polymers with specific thermal and mechanical properties.
• Fine Chemical Synthesis: Utilized in Diels-Alder reactions and other cycloadditions to construct intricate carbocyclic and heterocyclic compounds.
• Agrochemical Development: Employed in the research and production of novel active ingredients for crop protection.
• Fragrance & Flavor Chemistry: Used as a starting material for synthesizing specific terpenoid and musk-related aroma chemicals.
• Catalysis & Ligand Research: Investigated as a ligand precursor or substrate in organometallic chemistry and catalytic process development.
• Academic & Industrial R&D: A fundamental reagent for exploring new organic reactions and material properties in research laboratories.

Basic Information

Product Name	1-Methylcyclopenta-1,3-Diene
CAS No.	96-39-9
Molecular Formula	C6H8
Molecular Weight	80.13 g/mol
Synonyms	1-Methyl-1,3-cyclopentadiene; Methylcyclopentadiene; 1-Methylcyclopentadiene; 1-MCPD; 1,3-Cyclopentadiene, 1-methyl-; NSC 9256
EINECS	202-503-2

Quality Control

Our 1-Methylcyclopenta-1,3-Diene is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and reliability. We provide comprehensive analytical data, including purity assay and impurity profiling via GC and GC-MS. A Certificate of Analysis (COA) detailing specific results for each lot is available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, well-ventilated area. Recommended storage temperature is 2-8°C to minimize polymerization and oxidation. Keep away from heat, sparks, and open flames.

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.