Description

Silane,[1,3,5-Benzenetriyltris(Methylene)Tris[Trimethyl- is a specialized organosilicon compound, specifically a tri-functional silane coupling agent with a rigid benzene core. This structure is critical for its role as a powerful crosslinking and adhesion-promoting agent in advanced material formulations. It is essential for manufacturers in the polymer, composite, and electronics industries seeking to enhance the interfacial bonding between organic and inorganic phases, thereby improving mechanical strength, durability, and thermal stability in final products.

Application

• As a crosslinking agent in the production of high-performance silicone resins and elastomers.
• As a surface modifier and coupling agent for inorganic fillers (e.g., silica, glass fibers) in composite materials to improve dispersion and matrix adhesion.
• In the formulation of adhesives and sealants to enhance bonding strength and environmental resistance.
• For the surface treatment of nanoparticles and pigments to ensure compatibility in polymer matrices and coatings.
• As a key intermediate in the synthesis of dendrimers and hyperbranched polymers for specialized applications.
• In the development of low-k dielectric materials and other advanced electronic encapsulants.

Basic Information

Product Name	Silane,[1,3,5-Benzenetriyltris(Methylene)Tris[Trimethyl-
CAS No.	59305-32-7
Molecular Formula	C18H36O3Si3
Molecular Weight	408.75 g/mol
Synonyms	1,3,5-Tris(trimethoxysilylmethyl)benzene; Trimethoxy[3-[(trimethoxysilyl)methyl]-5-[(trimethoxysilyl)methyl]phenyl]methyl]silane; Tris(trimethoxysilylmethyl)benzene; Benzene-1,3,5-triyltrimethanetriyl tris(trimethyl silicate); TMMB; BTST; A tri-functional aromatic silane coupling agent.
EINECS	Contact for details

Quality Control

Our production of Silane,[1,3,5-Benzenetriyltris(Methylene)Tris[Trimethyl- adheres to a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your formulation requirements.

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); containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Density (at 20°C)	~1.08 g/cm³
Refractive Index (n20D)	~1.460
Moisture Content (KF)	≤ 0.5%

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