Description

Bis(1,2-Phenylenedioxy)Silane is a specialized organosilicon compound, also known as a cyclic silane derivative, with the CAS number 181-88-4. It serves as a valuable intermediate and precursor in advanced material synthesis, offering unique reactivity due to its silicon-oxygen bond framework. This high-purity chemical is essential for R&D and production in the pharmaceutical, agrochemical, and specialty polymer industries, where precise molecular architecture is critical.

Application

• Key intermediate in the synthesis of complex pharmaceutical active ingredients and agrochemicals.
• Precursor for silicon-based polymers and resins, contributing to materials with enhanced thermal stability.
• Building block in coating and adhesive formulations to modify surface properties and improve performance.
• Used in material science research for developing novel organosilicon compounds and hybrid materials.
• Employed in the production of specialty chemicals for electronics and semiconductor applications.
• Catalyst or ligand component in organic synthesis and cross-coupling reactions.

Basic Information

Product Name	Bis(1,2-Phenylenedioxy)Silane
CAS No.	181-88-4
Molecular Formula	C12H8O4Si
Molecular Weight	244.28 g/mol
Synonyms	1,3,2-Benzodioxasilole, 2,2'-Bi-1,3,2-benzodioxasilole; 2,2'-Bi-1,3,2-benzodioxasilole; Bis(o-phenylenedioxy)silane; Diphenylene Silicate; Silicon Diphenylene Glycolate; Cyclic Silane Derivative; o-Phenylenedioxy Silane Dimer
EINECS	205-878-5

Quality Control

Our Bis(1,2-Phenylenedioxy)Silane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support custom synthesis and can tailor purity grades to meet specific application requirements.

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 incompatible materials such as strong acids, strong bases, and oxidizing agents. The container should be kept tightly sealed when not in use to prevent moisture absorption.

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.