Description

1,1-Dicyclopropylethylene is a specialized, high-purity alkene building block of significant interest in advanced organic synthesis. This compound matters for its unique sterically hindered structure, which enables precise control over reaction pathways in the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as catalytic cross-coupling and polymerization.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for creating sterically demanding carbon frameworks.
• Agrochemical Synthesis: Used in the research and development of new crop protection agents and herbicides that require specific, hindered alkene functionalities.
• Advanced Material Precursor: Serves as a monomer or co-monomer in the development of specialty polymers with tailored thermal and mechanical properties.
• Catalytic Cross-Coupling Reactions: An effective substrate in Heck, Suzuki, and other palladium-catalyzed coupling reactions to form new carbon-carbon bonds.
• Organic Ligand Synthesis: Utilized for constructing complex ligand systems used in homogeneous catalysis and organometallic chemistry.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new synthetic routes in both university and corporate research laboratories.

Basic Information

Product Name	1,1-Dicyclopropylethylene
CAS No.	23154-08-7
Molecular Formula	C8H12
Molecular Weight	108.18 g/mol
Synonyms	1,1-Dicyclopropylethylene; 1,1-Bis(cyclopropyl)ethylene; 1,1-Dicyclopropylethane; 1,1-Dicyclopropylethylene (stereoisomer); Ethylene, 1,1-dicyclopropyl-; 1,1-Dicyclopropylethylene (mixed isomers); 1,1-Dicyclopropylethylene (technical grade)
EINECS	Contact for details

Quality Control

Our 1,1-Dicyclopropylethylene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to verify identity, purity, and the absence of critical impurities. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

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

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.