Description

Diisopropyldimethoxysilane is a versatile organosilicon compound widely used as a key intermediate and surface modifying agent. Its bifunctional structure, featuring both alkoxy and alkyl groups, provides excellent reactivity and compatibility in various synthesis and formulation processes. This chemical is essential for manufacturers in the silicone, pharmaceutical, and advanced materials sectors seeking to enhance product performance and stability.

Application

• Silicone Intermediate: A crucial building block for the synthesis of specialty silicone fluids, resins, and elastomers.
• Surface Modification: Used as a coupling agent or primer to improve the adhesion and compatibility of inorganic materials (like glass, silica, metals) with organic polymers.
• Pharmaceutical Synthesis: Serves as a protecting group or reagent in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals.
• Adhesive & Sealant Formulations: Imparts moisture-curing properties and enhances the cross-linking density in high-performance adhesives and sealants.
• Nanomaterial Functionalization: Modifies the surface of nanoparticles (e.g., silica, titania) to control dispersion and reactivity in composite materials.
• Water Repellency Agent: Applied to confer hydrophobic properties to textiles, construction materials, and electronic components.

Basic Information

Product Name	Diisopropyldimethoxysilane
CAS No.	18230-61-0
Molecular Formula	C8H20O2Si
Molecular Weight	176.33 g/mol
Synonyms	Dimethoxydiisopropylsilane; Diisopropyl Dimethoxysilane; Diisopropyldimethoxy Silane; DIISOPROPYLDIMETHOXYSILANE; (Isopropyl)2Si(OMe)2; Bis(1-methylethyl)dimethoxysilane; DIPDMS; Diisopropylmethoxysilane (common abbreviation)
EINECS	Contact for details

Quality Control

Our Diisopropyldimethoxysilane is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity verification, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) with detailed lot-specific data are provided to guarantee supply reliability and product consistency for your critical processes.

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 clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (20°C)	0.85 - 0.87 g/mL
Refractive Index (n20/D)	1.390 - 1.395
Water Content (KF)	≤ 0.1%

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