Description

1,3 Diphenyl Tetramethoxy Disiloxane is a high-purity organosilicon compound characterized by its unique disiloxane bridge and phenyl/methoxy functional groups. This structure makes it a valuable intermediate and functional additive in advanced material synthesis, offering excellent thermal stability and reactivity. It is primarily sought after by manufacturers in the silicone polymer, specialty coatings, and electronics industries for developing high-performance materials.

Application

• As a key cross-linking agent or chain extender in the synthesis of specialty phenyl-containing silicone resins and elastomers.
• As a precursor or surface modifying agent in the production of silica-based materials and nanocomposites for enhanced properties.
• In the formulation of high-temperature resistant coatings and encapsulants for electronic and optoelectronic applications.
• As an intermediate in organic synthesis for pharmaceuticals and agrochemicals, leveraging its reactive siloxane bonds.
• For research and development of novel hybrid organic-inorganic materials (ORMOSIL) with tailored mechanical and optical characteristics.

Basic Information

Product Name	1,3 Diphenyl Tetramethoxy Disiloxane
CAS No.	17938-09-9
Molecular Formula	C16H22O5Si2
Molecular Weight	350.52 g/mol
Synonyms	Bis(phenyl)tetramethoxydisiloxane; 1,3-Diphenyl-1,1,3,3-tetramethoxydisiloxane; Tetramethoxy-1,3-diphenyldisiloxane; Disiloxane, 1,3-diphenyl-1,1,3,3-tetramethoxy-; Phenyltetramethoxydisiloxane; Diphenyl Tetramethoxy Disiloxane; 1,1,3,3-Tetramethoxy-1,3-diphenyldisiloxane
EINECS	Contact for details

Quality Control

Our 1,3 Diphenyl Tetramethoxy Disiloxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical quality parameters are provided with every shipment.

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 strong bases and incompatible materials such as strong acids and organic solvents. The container must be kept tightly sealed due to moisture sensitivity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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