Description

1,3-Cyclopentadiene, 1,2-Dimethyl- is a specialized, highly reactive diene derivative of cyclopentadiene. This compound matters as a versatile and valuable building block in advanced organic synthesis, particularly for Diels-Alder reactions to create complex, multi-ring structures. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced materials sectors for synthesizing novel compounds and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex, polycyclic active pharmaceutical ingredients (APIs) and drug candidates via cycloaddition reactions.
• Agrochemical Synthesis: Used in the production of specialized pesticides, herbicides, and fungicides that require tailored, multi-ring molecular architectures.
• Advanced Material Research: Serves as a monomer or cross-linking agent in the development of novel polymers, resins, and specialty materials with unique thermal or mechanical properties.
• Fine Chemical Manufacturing: Employed in the custom synthesis of complex organic molecules for catalysts, ligands, and other high-value chemical products.
• Academic & Industrial R&D: A critical reagent for methodological development in organic chemistry and for exploring new synthetic pathways in laboratory settings.

Basic Information

Item	Detail
Product Name	1,3-Cyclopentadiene, 1,2-Dimethyl-
CAS No.	4784-86-5
Molecular Formula	C7H10
Molecular Weight	94.15 g/mol
Synonyms	1,2-Dimethyl-1,3-cyclopentadiene; 1,2-Dimethylcyclopentadiene; Dimethylcyclopentadiene; 1,3-Cyclopentadiene, 1,2-dimethyl-; 1,2-Dimethylcyclopenta-1,3-diene
EINECS	Contact for details

Quality Control

Our 1,3-Cyclopentadiene, 1,2-Dimethyl- is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including purity assay and impurity profiling by GC and/or HPLC. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, containers should be kept tightly sealed and under an inert atmosphere when possible to maintain stability and prevent polymerization or degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, 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.