Description

1,5-Dimethyl-2,4-Bis[2-(Trimethylsilyl)Ethynyl]Benzene is a specialized organosilicon intermediate featuring a central benzene ring functionalized with ethynyl groups protected by trimethylsilyl (TMS) moieties. This compound is valued for its role as a key building block in advanced organic synthesis, particularly in the development of functional materials and complex molecular architectures. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and materials science sectors for applications requiring precise molecular assembly and controlled reactivity.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring conjugated systems or specific steric profiles.
• Agrochemical Synthesis: Used in the development of advanced crop protection agents and herbicides, where its unique structure contributes to desired biological activity and stability.
• Organic Electronic Materials: Acts as a monomer or cross-linking agent in the production of organic semiconductors, light-emitting diodes (OLEDs), and photovoltaic materials due to its conjugated ethynyl backbone.
• Polymer & Dendrimer Chemistry: Employed as a building block for creating specialty polymers, dendrimers, and star-shaped macromolecules with tailored thermal and optical properties.
• Ligand & Catalyst Development: Utilized in the design of novel ligands for transition metal catalysis and organometallic complexes, leveraging the alkyne functionality for coordination.
• Academic & Industrial R&D: A valuable reagent for exploratory chemistry in universities and corporate research labs focused on new synthetic methodologies and material discovery.

Basic Information

Product Name	1,5-Dimethyl-2,4-Bis[2-(Trimethylsilyl)Ethynyl]Benzene
CAS No.	1379822-08-8
Molecular Formula	C20H28Si2
Molecular Weight	324.61 g/mol
Synonyms	1,5-Dimethyl-2,4-bis[(trimethylsilyl)ethynyl]benzene; 2,4-Bis(2-trimethylsilylethynyl)-1,5-dimethylbenzene; 1,5-Dimethyl-2,4-di(2-trimethylsilylethynyl)benzene; Benzene, 1,5-dimethyl-2,4-bis[2-(trimethylsilyl)ethynyl]-; TMS-protected dialkynylbenzene derivative
EINECS	Contact for details

Quality Control

Our production of 1,5-Dimethyl-2,4-Bis[2-(Trimethylsilyl)Ethynyl]Benzene adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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