Description

5-[2-(Trimethylsilyl)Cycloprop-1-Ylidene]Cyclopenta-1,3-Diene is a specialized organosilicon compound featuring a unique cyclopropenylidene-cyclopentadiene fused ring system. This compound serves as a valuable high-purity synthetic intermediate and building block in advanced organic and organometallic chemistry. It is primarily utilized by research institutions and fine chemical manufacturers for the development of novel materials and pharmaceuticals.

Application

• Advanced Organic Synthesis: A key precursor for synthesizing complex polycyclic structures and strained ring systems in academic and industrial R&D.
• Pharmaceutical Intermediates: Used in the research and development of new active pharmaceutical ingredients (APIs), particularly those requiring unique carbon-silicon frameworks.
• Material Science Research: Serves as a building block for novel polymers, ligands, and organometallic complexes with tailored electronic or structural properties.
• Catalyst Development: Employed in the synthesis of specialized ligands for transition metal catalysts used in asymmetric synthesis.
• Specialty Chemical Manufacturing: Acts as an intermediate for producing high-value, low-volume specialty chemicals for niche industrial applications.

Basic Information

Product Name	5-[2-(Trimethylsilyl)Cycloprop-1-Ylidene]Cyclopenta-1,3-Diene
CAS No.	79209-37-3
Molecular Formula	C11H16Si
Molecular Weight	176.33 g/mol
Synonyms	5-[(Trimethylsilyl)cyclopropylidene]-1,3-cyclopentadiene; 5-(2-Trimethylsilylcyclopropylidene)cyclopenta-1,3-diene; 1,3-Cyclopentadiene, 5-[(trimethylsilyl)cyclopropylidene]-; (Trimethylsilyl)cyclopropylidenecyclopentadiene; TMS-CPD
EINECS	Contact for details

Quality Control

Our production of 5-[2-(Trimethylsilyl)Cycloprop-1-Ylidene]Cyclopenta-1,3-Diene adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including NMR, GC-MS, and HPLC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic nature, the container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation. Recommended storage temperature is 2-8°C for long-term stability.

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.