Description

1,6-Bis(Triethoxysilyl)Hexane is a bifunctional organosilane coupling agent featuring a long, flexible hexylene bridge between two triethoxysilyl groups. This molecular structure is critical for its role as a versatile crosslinker and adhesion promoter in advanced material formulations. It is essential for manufacturers in the silicone rubber, coatings, and composite industries seeking to enhance the compatibility and mechanical properties of their products. The compound, CAS No. 52034-16-9, is engineered to provide superior hydrolytic stability and effective bonding between organic polymers and inorganic substrates.

Application

• As a crosslinking agent in silicone sealants and room-temperature-vulcanizing (RTV) rubbers to improve elasticity and durability.
• As an adhesion promoter in primers and coatings for metals, glass, and minerals, enhancing wet adhesion and corrosion resistance.
• As a surface modifier for silica, glass fibers, and other mineral fillers to improve dispersion and interfacial bonding in polymer composites.
• As a key intermediate in the synthesis of specialty silane-modified polymers (SMP) and hybrid organic-inorganic materials.
• In the formulation of water repellents and stone consolidants for construction and heritage preservation.
• For the hydrophobic treatment of nanoparticles and porous materials in advanced nanotechnology applications.

Basic Information

Product Name	1,6-Bis(Triethoxysilyl)Hexane
CAS No.	52034-16-9
Molecular Formula	C18H42O6Si2
Molecular Weight	410.71 g/mol
Synonyms	Hexane-1,6-diylbis(trimethoxysilane) (common alternative); 1,6-Hexanediylbis(trimethoxysilane); Bis(triethoxysilyl)hexane; 1,6-Bis(trimethoxysilyl)hexane (methoxy analog); SCA-H6; Silane coupling agent KH-560 (related series); NXT Z 45; A 1126 (potential trade names); Hexamethylene-bis(triethoxysilane)
EINECS	257-596-1

Quality Control

Our production of 1,6-Bis(Triethoxysilyl)Hexane adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques including Gas Chromatography (GC) and NMR spectroscopy. Certificates of Analysis (COA) documenting identity, purity, and key physical properties are provided with every shipment. We are committed to meeting the quality expectations of industries operating under ISO and cGMP frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). This product is hygroscopic (moisture-sensitive) and should be kept under a dry inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis and maintain efficacy. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.92 - 0.96 g/mL
Refractive Index (n20/D)	1.410 - 1.420
Moisture (Karl Fischer)	≤ 0.5%

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