Description

1,2-Bis(Trimethylsiloxymethyl)Benzene is a specialized organosilicon compound featuring a benzene core flanked by trimethylsiloxymethyl groups. This unique structure makes it a valuable intermediate and functional additive, particularly in the synthesis of advanced silicone polymers and as a modifier for organic materials. It is primarily sought by manufacturers in the silicone elastomer, specialty resin, and advanced materials sectors for applications requiring enhanced thermal stability, hydrophobicity, or specific rheological properties.

Application

• Silicone Polymer Synthesis: A key monomer or chain extender for producing high-performance silicone resins and elastomers with tailored properties.
• Crosslinking Agent: Used in the formulation of heat-curable silicone rubbers and sealants to improve network structure and final product durability.
• Surface Modification: Imparts hydrophobic characteristics to organic or inorganic surfaces when used as a coating precursor or grafting agent.
• Release Agent Intermediate: Serves as a building block in the manufacture of silicone-based release coatings for labels, adhesives, and industrial molding.
• Pharmaceutical & Cosmetic Intermediates: Employed in the synthesis of siloxane-based compounds for controlled drug delivery systems or personal care product ingredients.
• Electronic Encapsulants: A component in formulations for potting and encapsulating electronic components, offering good dielectric properties and moisture resistance.

Basic Information

Product Name	1,2-Bis(Trimethylsiloxymethyl)Benzene
CAS No.	114944-09-1
Molecular Formula	C14H26O2Si2
Molecular Weight	282.53 g/mol
Synonyms	1,2-Bis[(trimethylsilyloxy)methyl]benzene; Benzene, 1,2-bis[(trimethylsilyloxy)methyl]-; o-Bis(trimethylsiloxymethyl)benzene; 1,2-Bis(trimethylsilanyloxymethyl)benzene; 1,2-Bis((trimethylsilyloxy)methyl)benzene; BTMSB; o-Xylene-α,α'-diol bis(trimethylsilyl ether); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 1,2-Bis(Trimethylsiloxymethyl)Benzene adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency meet defined specifications. A Certificate of Analysis (COA) detailing the results is provided with each shipment to guarantee supply reliability and product traceability for our global B2B clients.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.460 - 1.470
Density (g/mL, 20°C)	0.92 - 0.96

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