Description

Di-n-Butyldimethoxysilane is a versatile organosilicon compound widely used as a key intermediate and coupling agent in advanced material synthesis. Its bifunctional structure allows it to act as a critical building block, facilitating the modification of inorganic surfaces and the cross-linking of organic polymers. This chemical is essential for manufacturers in the silicone, adhesive, and specialty coating industries seeking to enhance material properties like adhesion, hydrophobicity, and thermal stability.

Application

• As a silane coupling agent to improve the adhesion between organic polymers and inorganic substrates like glass, metals, and minerals.
• A key intermediate in the synthesis of more complex silicone resins, fluids, and elastomers.
• Used in the production of moisture-curable sealants and adhesives, where it acts as a cross-linker.
• For surface treatment of fillers (e.g., silica, clay) to enhance dispersion and compatibility in polymer composites.
• As a precursor in sol-gel processes for creating hybrid organic-inorganic materials and protective coatings.
• In the formulation of release coatings and mold-making materials within the manufacturing sector.

Basic Information

Product Name	Di-n-Butyldimethoxysilane
CAS No.	18132-63-3
Molecular Formula	C10H24O2Si
Molecular Weight	204.39 g/mol
Synonyms	Dibutyldimethoxysilane; n-Dibutyldimethoxysilane; Dimethoxydibutylsilane; Dibutyl(dimethoxy)silane; Silane, dibutyldimethoxy-; Di-n-butyl-dimethoxysilan; DBMS; EINECS 242-060-1
EINECS No.	242-060-1

Quality Control

Our Di-n-Butyldimethoxysilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC), to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with every shipment to guarantee it meets your specific application 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). Due to its hygroscopic and highly volatile nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent moisture absorption and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	0.86 - 0.88 g/cm³
Refractive Index (n20D)	1.410 - 1.415
Water Content (KF)	≤ 0.1%

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