Description

Diphenyltetramethyldisilane is a high-purity organosilicon compound, specifically a disilane derivative, widely recognized by its CAS number 1145-98-8. It serves as a versatile and critical building block in advanced materials science and organic synthesis, valued for its unique silicon-silicon bond and phenyl/methyl substituents. This compound is essential for researchers and manufacturers in the semiconductor, polymer, and specialty chemical industries seeking to develop novel silicone-based materials, coatings, and electronic precursors.

Application

• Semiconductor & Electronics: Key precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create silicon carbide (SiC) or silicon-containing thin films.
• Polymer & Material Science: Serves as a cross-linking agent, chain extender, or monomer in the synthesis of specialty polysilanes and silicone polymers with tailored thermal and mechanical properties.
• Organic Synthesis: Utilized as a silylating agent or as a source of the disilanyl group in the preparation of complex organosilicon molecules for pharmaceutical and agrochemical intermediates.
• Surface Modification: Employed to modify surface properties of materials, enhancing hydrophobicity, adhesion, or chemical resistance for coatings and composites.
• Research & Development: Fundamental reagent in academic and industrial R&D for exploring new silicon-based chemistry, photoresists, and optoelectronic materials.

Basic Information

Product Name	Diphenyltetramethyldisilane
CAS No.	1145-98-8
Molecular Formula	C16H22Si2
Molecular Weight	270.52 g/mol
Synonyms	1,1,2,2-Tetramethyl-1,2-diphenyldisilane; Tetramethyldiphenyldisilane; Disilane, 1,1,2,2-tetramethyl-1,2-diphenyl-; 1,2-Diphenyl-1,1,2,2-tetramethyldisilane; Diphenyltetramethyldisilane; TMDPDS; DPTMDS
EINECS	214-545-9

Quality Control

Our Diphenyltetramethyldisilane is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic and spectroscopic methods, to meet precise customer specifications. A Certificate of Analysis (COA) detailing purity, identity, 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, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere (e.g., nitrogen or argon) is recommended to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.1%

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