Description

Isopropylmethyldichlorosilane is a highly reactive organosilicon compound primarily used as a versatile intermediate in silicone chemistry. Its value lies in its ability to introduce the isopropylmethylsilyl group, enabling the synthesis of tailored siloxane polymers, surface modifiers, and protective coatings. This chemical is essential for manufacturers in the silicone elastomer, resin, and specialty chemical industries seeking to develop materials with specific hydrophobic, release, or adhesion properties.

Application

• Silicone Polymer Synthesis: A key monomer or intermediate for producing modified polysiloxanes, including fluids, resins, and elastomers with tailored properties.
• Surface Treatment Agent: Used to impart hydrophobic and oleophobic characteristics to inorganic surfaces like glass, silica, and metals.
• Coupling Agent: Acts as a chemical bridge to improve adhesion between organic polymers and inorganic fillers or substrates in composite materials.
• Pharmaceutical & Agrochemical Intermediates: Serves as a protecting group or building block in the synthesis of active ingredients and fine chemicals.
• Silylating Reagent: Employed in organic synthesis to introduce silyl groups for protection of sensitive functional groups like alcohols and amines.
• Release Coatings: A precursor in formulations for non-stick and release coatings used in industrial molding and packaging.

Basic Information

Item	Details
Product Name	Isopropylmethyldichlorosilane
CAS No.	18236-89-0
Molecular Formula	C4H10Cl2Si
Molecular Weight	157.11 g/mol
Synonyms	Dichloro(isopropylmethyl)silane; Dichloromethylisopropylsilane; Isopropyldichloromethylsilane; Methylisopropyldichlorosilane; (Isopropylmethyl)dichlorosilane; Dichloro(methyl)(propan-2-yl)silane; 1-Methyl-1-(propan-2-yl)dichlorosilane
EINECS	Contact for details

Quality Control

Our Isopropylmethyldichlorosilane is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical testing, including gas chromatography (GC) for assay and impurity profiling. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat and incompatible materials. Due to its highly volatile and hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	1.05 - 1.10 g/mL
Refractive Index (n20D)	1.420 - 1.430
Water Content (Karl Fischer)	≤ 0.1%

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