Description

Dichloroisobutylmethylsilane is a highly reactive organosilicon compound, a key intermediate in the synthesis of functional silanes and silicone polymers. Its value lies in its ability to introduce the isobutylmethylsilane moiety, which can impart specific hydrophobic, release, or compatibilizing properties to advanced materials. This chemical is essential for manufacturers in the silicone elastomer, specialty resin, and surface treatment industries seeking to develop products with tailored performance characteristics.

Application

• Silicone Intermediate: A crucial building block for the synthesis of custom silicone oils, resins, and elastomers with modified properties.
• Surface Modification Agent: Used to treat inorganic fillers (like silica) and pigments to improve dispersion and compatibility in polymer matrices.
• Adhesion Promoter Precursor: Serves as a starting material for manufacturing silane coupling agents used in composite materials and sealants.
• Hydrophobic Coating Formulation: Imparts water-repellent characteristics to surfaces in protective coating applications.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of active ingredients or functional excipients requiring specific silane functionality.
• Research & Development: Used in academic and industrial R&D for exploring new organosilicon chemistry and material science applications.

Basic Information

Product Name	Dichloroisobutylmethylsilane
CAS No.	18147-18-7
Molecular Formula	C5H12Cl2Si
Molecular Weight	171.14 g/mol
Synonyms	Methyldichloroisobutylsilane; Isobutylmethyldichlorosilane; Dichloro(isobutyl)methylsilane; Methylisobutyldichlorosilane; (Isobutyl)methyldichlorosilane; Silane, dichloroisobutylmethyl-; Dichloromethylisobutylsilane
EINECS	Contact for details

Quality Control

Our Dichloroisobutylmethylsilane is manufactured under stringent process controls to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical testing including Gas Chromatography (GC) and FT-IR spectroscopy. A Certificate of Analysis (COA) detailing purity and specific test results is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). 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) after opening to prevent hydrolysis and maintain product integrity. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, acids, and oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.02 g/cm³
Refractive Index (n20D)	~1.425
Boiling Point	~150-155 °C

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