Description

Diisopropyldichlorosilane is a versatile organosilicon compound widely used as a key intermediate in organic synthesis. This chemical matters for its role as a crucial building block in the production of silicone polymers, specialty coatings, and advanced materials. Industries such as pharmaceuticals, electronics, and specialty chemicals rely on it for introducing the diisopropylsilyl protecting group and for surface modification applications. Its reactive dichlorosilane functionality makes it essential for controlled siloxane bond formation.

Application

• Silicone Intermediate: A fundamental monomer for the synthesis of specific silicone oils, resins, and elastomers with tailored properties.
• Surface Modification Agent: Used to treat glass, silica, and other inorganic surfaces to impart hydrophobicity or create reactive sites for further functionalization.
• Pharmaceutical Protecting Group: Serves as a valuable reagent for the protection of hydroxyl groups in complex multi-step organic syntheses, particularly in drug development.
• Adhesion Promoter: Incorporated into primers and coupling agents to improve the bond between organic polymers and inorganic substrates.
• Precursor for Silane Coupling Agents: Used in the manufacture of specialized silane coupling agents for composite materials and filled polymer systems.
• Electronic Chemicals: Employed in the production of precursors for low-k dielectric materials and other semiconductor fabrication processes.

Basic Information

Product Name	Diisopropyldichlorosilane
CAS No.	7751-38-4
Molecular Formula	C6H14Cl2Si
Molecular Weight	185.17 g/mol
Synonyms	Dichlorodiisopropylsilane; Diisopropyldichlorosilane; Dichlorodi-iso-propylsilane; Diisopropylsilyl dichloride; (i-Pr)2SiCl2; DIPDCS; Silane, dichlorodiisopropyl-; NSC 60535
EINECS	231-810-8

Quality Control

Our Diisopropyldichlorosilane is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including gas chromatography (GC) and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical properties 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 away from heat and incompatible materials. Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (at 20°C)	1.02 - 1.04 g/mL
Refractive Index (n20D)	1.440 - 1.445
Boiling Point	~ 165-170 °C
Water Content (KF)	≤ 0.1%

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