Description

1,1,3,3, Tetraphenyl Dimethoxy Disiloxane is a high-purity organosilicon compound characterized by its unique disiloxane bridge and phenyl substituents. This structure makes it a valuable intermediate and functional additive in advanced material synthesis, offering excellent thermal stability and reactivity. It is primarily sought by R&D and production teams in the pharmaceutical, specialty polymer, and silicone resin industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs) and silicon-containing drug candidates.
• Silicone Resin Modifier: Acts as a cross-linking agent or chain extender to enhance the thermal and mechanical properties of high-performance silicone resins.
• Specialty Polymer Synthesis: Serves as a key monomer or functional additive in the production of polyimides, polycarbonates, and other engineering plastics.
• Adhesive & Sealant Formulations: Imparts improved adhesion, flexibility, and environmental resistance to high-end silicone-based adhesives and sealants.
• Surface Treatment Agent: Utilized to modify surface properties of inorganic materials like silica or glass for enhanced compatibility in composite materials.
• Research & Development: A crucial building block in academic and industrial research for developing new organosilicon chemistry and materials.

Basic Information

Product Name	1,1,3,3, Tetraphenyl Dimethoxy Disiloxane
CAS No.	94593-08-5
Molecular Formula	C26H26O3Si2
Molecular Weight	442.66 g/mol
Synonyms	Dimethoxytetraphenyldisiloxane; Tetraphenyldimethoxydisiloxane; 1,3-Dimethoxy-1,1,3,3-tetraphenyldisiloxane; Disiloxane, 1,1,3,3-tetraphenyl-1,3-dimethoxy-; Tetraphenyl Dimethoxy Disiloxane; Bis(dimethoxysilyl)benzene derivative; DPDMS (common abbreviation)
EINECS	Contact for details

Quality Control

Every batch of 1,1,3,3, Tetraphenyl Dimethoxy Disiloxane is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.