Description

1,1,3,4-Tetramethyl-1-Germa-3-Cyclopentene is a specialized organogermanium compound with a unique cyclic structure, serving as a valuable precursor and reagent in advanced material synthesis. Its primary commercial value lies in its role as a high-purity source of germanium for the development of novel organometallic frameworks and semiconductor materials. This compound is essential for R&D and production teams in the electronics, catalysis, and specialty chemical sectors seeking to innovate with germanium-based chemistry.

Application

• Semiconductor Precursor: Used in chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes for depositing germanium-containing thin films in microelectronics.
• Catalyst Development: Serves as a ligand or precursor in the synthesis of novel homogeneous catalysts for organic transformations and polymerization reactions.
• Advanced Material Research: A key building block for creating novel organogermanium polymers, dendrimers, and hybrid organic-inorganic materials with tailored properties.
• Pharmaceutical Intermediates: Employed in the research and synthesis of potential organogermanium-based therapeutic agents and diagnostic compounds.
• Optoelectronics: Investigated for use in the development of materials for LEDs, solar cells, and photodetectors due to germanium's favorable electronic properties.

Basic Information

Product Name	1,1,3,4-Tetramethyl-1-Germa-3-Cyclopentene
CAS No.	5764-66-9
Molecular Formula	C9H18Ge
Molecular Weight	187.84 g/mol
Synonyms	1-Germa-1,3,4-trimethylcyclopentene; Tetramethylgermacyclopentene; 1,1,3,4-Tetramethylgermacyclopent-3-ene; Germacyclopentene derivative; Organogermanium cyclic compound; Ge-1234; (3,4-Dimethyl-2-methylenecyclopentyl)trimethylgermane (tautomeric form); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of 1,1,3,4-Tetramethyl-1-Germa-3-Cyclopentene is produced and tested under stringent quality management protocols to ensure consistency and reliability for critical applications. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, typically determined via GC, NMR, and elemental analysis. Our quality commitment aligns with ISO 9001 standards, and we support customer-specific validation requirements for advanced material and electronic grade applications.

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 place. Recommended storage temperature is 2-8°C to maximize stability. Due to its moisture-sensitive and easily oxidized nature, containers must be kept sealed and handled under inert conditions to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Germanium Content	Contact for details
Water Content (KF)	≤ 0.1%

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