Description

Trichloropropylsilane is a versatile organosilicon compound, specifically a chlorosilane, that serves as a critical intermediate in the synthesis of advanced silicone materials. Its primary value lies in its ability to introduce reactive chloropropyl groups, enabling the creation of functionalized polymers and surfaces with tailored properties. This chemical is essential for manufacturers in the silicone, polymer, and specialty chemical industries seeking to develop products with enhanced adhesion, cross-linking capabilities, or specific surface modifications.

Application

• Silicone Intermediate: A key precursor for the synthesis of functional silicone oils, resins, and elastomers.
• Surface Modification Agent: Used to introduce reactive sites on inorganic surfaces like glass, silica, and metals for improved composite material performance.
• Coupling Agent: Enhances adhesion between organic polymers and inorganic fillers in composite materials, such as fiberglass-reinforced plastics.
• Chemical Synthesis Building Block: Serves as an intermediate in organic synthesis for pharmaceuticals, agrochemicals, and other fine chemicals.
• Hydrophobic Coating Formulation: Imparts water-repellent properties to surfaces in protective coatings and textiles.
• Cross-linking Agent: Used in the production of cross-linked silicone rubbers and sealants to improve thermal and chemical resistance.

Basic Information

Product Name	Trichloropropylsilane
CAS No.	141-57-1
Molecular Formula	C3H7Cl3Si
Molecular Weight	177.53 g/mol
Synonyms	(3-Chloropropyl)trichlorosilane; 3-Chloropropyltrichlorosilane; Trichloro(3-chloropropyl)silane; Propyltrichlorosilane, 3-chloro-; Silane, (3-chloropropyl)trichloro-; CPTClS; γ-Chloropropyltrichlorosilane; NSC 9375
EINECS	205-489-5

Quality Control

Our Trichloropropylsilane is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including gas chromatography (GC) for assay and impurity profiling. A Certificate of Analysis (COA) detailing all specifications is 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, well-ventilated area away from heat and ignition sources. Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent moisture absorption and decomposition. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Density (at 25°C)	1.27 - 1.30 g/mL
Refractive Index (n20/D)	1.458 - 1.462
Water Content (KF)	≤ 0.1 %

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