Description

7',7',8',8'-Tetramethyl-2,2'-Disilanobiphenyl is a specialized organosilicon compound with a unique biphenyl backbone functionalized with silyl groups. This structure makes it a valuable intermediate in advanced materials science, particularly for the synthesis of novel silicon-containing polymers and as a ligand precursor in catalysis. It is essential for R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new compounds with tailored electronic or steric properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring silicon-based bioisosteres.
• Catalyst Ligand Precursor: Used to develop novel ligands for transition metal catalysts in asymmetric synthesis and cross-coupling reactions.
• Advanced Material Synthesis: A crucial monomer for creating silicon-bridged polymers and oligomers with specific optical or electronic characteristics.
• Agrochemical Research: Employed in the development of new generation herbicides and fungicides where the disilanobiphenyl moiety imparts unique activity.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a core structure for host or emissive materials in OLED devices due to its potential charge transport properties.
• Surface Modification Agent: Can be used to functionalize silica or other inorganic surfaces for specialized chromatographic or composite applications.

Basic Information

Product Name	7',7',8',8'-Tetramethyl-2,2'-Disilanobiphenyl
CAS No.	85590-07-4
Molecular Formula	C20H30Si2
Molecular Weight	326.63 g/mol
Synonyms	2,2'-Bis(trimethylsilyl)-5,5',6,6'-tetramethylbiphenyl; 5,5',6,6'-Tetramethyl-2,2'-bis(trimethylsilyl)biphenyl; 2,2'-Disilanobiphenyl, 7',7',8',8'-tetramethyl-; Tetramethyldisilanobiphenyl; Biphenyl-2,2'-diylbis(trimethylsilane), 5,5',6,6'-tetramethyl-; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 7',7',8',8'-Tetramethyl-2,2'-Disilanobiphenyl is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles 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, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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