Description

Diisopropoxydimethylsilane is a versatile organosilicon compound characterized by its reactive isopropoxy groups bonded to a dimethylsilane core. This chemical matters as a key intermediate and surface modifying agent, offering controlled reactivity for synthesis and functionalization processes. It is primarily needed by manufacturers in the silicone polymer, pharmaceutical, and advanced materials sectors for applications requiring precise silicon-based chemistry.

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 surface treatment to impart hydrophobic properties to inorganic materials like silica, glass, and metals.
• Pharmaceutical Synthesis: Serves as a protecting group or reagent in the synthesis of active pharmaceutical ingredients (APIs) and silicon-containing drug candidates.
• Adhesive & Sealant Formulations: Acts as a cross-linking agent or moisture scavenger in high-performance silicone-based adhesives and sealants.
• Nanomaterial Functionalization: Employed to modify the surface of nanoparticles (e.g., silica, titania) to improve dispersion in organic matrices.
• Lubricant & Release Agent Precursor: A starting material for creating specialized silicone lubricants and mold release agents.

Basic Information

Item	Details
Product Name	Diisopropoxydimethylsilane
CAS No.	5575-49-5
Molecular Formula	C8H20O2Si
Molecular Weight	176.33 g/mol
Synonyms	Dimethyldiisopropoxysilane; Diisopropoxydimethylsilane; Di-i-propoxydimethylsilane; Dimethyl diisopropoxysilane; Silane, diisopropoxydimethyl-; Diisopropoxy(dimethyl)silane; (Dimethyl)(diisopropoxy)silane
EINECS	226-958-4

Quality Control

Our Diisopropoxydimethylsilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your technical 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 or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	1.385 - 1.395
Density (20°C)	0.85 - 0.87 g/mL

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