Description

1,1,3,3-Tetraphenyl-1,3-Dimethyldisiloxane is a high-purity organosilicon compound characterized by its unique disiloxane backbone flanked by phenyl and methyl groups. This structure makes it a valuable intermediate and functional additive in advanced material synthesis, offering excellent thermal stability and compatibility with organic polymers. It is primarily sought by R&D laboratories and manufacturers in the silicone, polymer, and specialty chemical industries for developing high-performance materials.

Application

• Silicone Resin & Polymer Modification: Acts as a chain extender or cross-linking agent to enhance thermal and mechanical properties.
• Advanced Material Synthesis: Serves as a key monomer or intermediate in the production of specialty siloxane-based copolymers and dendrimers.
• Adhesive & Sealant Formulations: Used to modify rheology and improve the high-temperature performance of silicone-based adhesives and sealants.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of active ingredients or delivery agents that require specific organosilicon functionalities.
• Research & Development: A crucial reagent in academic and industrial R&D for exploring new organosilicon chemistry and material science applications.
• Surface Treatment & Coatings: Can be utilized to create hydrophobic or release surfaces due to its organic-inorganic hybrid nature.

Basic Information

Product Name	1,1,3,3-Tetraphenyl-1,3-Dimethyldisiloxane
CAS No.	807-28-3
Molecular Formula	C26H26OSi2
Molecular Weight	410.66 g/mol
Synonyms	1,3-Dimethyl-1,1,3,3-tetraphenyldisiloxane; Tetraphenyldimethyldisiloxane; Disiloxane, 1,1,3,3-tetraphenyl-1,3-dimethyl-; 1,1,3,3-Tetraphenyl-1,3-dimethyldisiloxane; 1,3-Dimethyltetraphenyldisiloxane; Bis(dimethylphenylsilyl) ether; DPDMS (common abbreviation)
EINECS	Contact for details

Quality Control

Our 1,1,3,3-Tetraphenyl-1,3-Dimethyldisiloxane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) documenting identity, purity, and key physical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 98.0%
Melting Point	Contact for details

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