Description

1,3-Bis(4-Methoxyphenyl)-1,1,3,3-Tetramethyldisiloxane, 97% is a high-purity organosilicon compound featuring a central disiloxane bridge flanked by methoxyphenyl groups. This specific structure makes it a valuable key intermediate and building block in advanced material synthesis, particularly for modifying surface properties and polymer backbones. It is primarily needed by R&D chemists and production specialists in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel silicone-based materials and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs) and drug delivery systems.
• Agrochemical Synthesis: Used as a building block for creating advanced silicone-based surfactants, adjuvants, and active ingredients.
• Specialty Polymer Modification: Acts as a monomer or cross-linking agent in the synthesis of high-performance silicones, resins, and hybrid organic-inorganic polymers.
• Surface Treatment Agent: Employed to modify surface properties of materials, imparting characteristics like hydrophobicity, release properties, or improved adhesion.
• Liquid Crystal & OLED Material Precursor: Utilized in the research and production of advanced display and optoelectronic materials.
• Adhesive & Sealant Formulation: Incorporated into formulations to enhance specific performance attributes such as thermal stability or chemical resistance.
• Laboratory Research & Development: A critical reagent for academic and industrial R&D focused on organosilicon chemistry and material science.

Basic Information

Product Name	1,3-Bis(4-Methoxyphenyl)-1,1,3,3-Tetramethyldisiloxane, 97%
CAS No.	122571-17-9
Molecular Formula	C20H30O3Si2
Molecular Weight	374.63 g/mol
Synonyms	Bis(4-methoxyphenyl)tetramethyldisiloxane; 1,3-Di-p-anisyltetramethyldisiloxane; p,p'-Bis(methoxyphenyl)tetramethyldisiloxane; Tetramethylbis(4-methoxyphenyl)disiloxane; Disiloxane, 1,3-bis(4-methoxyphenyl)-1,1,3,3-tetramethyl-; 1,1,3,3-Tetramethyl-1,3-bis(4-methoxyphenyl)disiloxane
EINECS	Contact for details

Quality Control

Our 1,3-Bis(4-Methoxyphenyl)-1,1,3,3-Tetramethyldisiloxane, 97% is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency meet the specified standards. Certificates of Analysis (COA) documenting all critical quality attributes 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 to exclude moisture. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 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.