Description

(3-Chloropropyl)Tripropoxysilane is a versatile organosilicon coupling agent characterized by its reactive chloropropyl and tripropoxysilyl functional groups. This compound is essential for modifying material interfaces, enhancing adhesion between inorganic substrates and organic polymers. It is particularly valuable for industries requiring durable surface treatments and composite materials. Key users include manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) sectors, as well as producers of advanced composites and specialty resins.

Application

• As a coupling agent and adhesion promoter in epoxy, polyurethane, and acrylic-based coatings and adhesives.
• Surface modification of glass fibers, minerals, and fillers (e.g., silica, clay) to improve compatibility and dispersion in polymer matrices.
• A key intermediate in the synthesis of other functional silanes for specialized applications.
• Enhancing the water resistance and mechanical properties of mineral-filled composites and sealants.
• Improving the bond strength in rubber-to-metal bonding applications.
• Potential use in the preparation of silica-based hybrid materials and sol-gel processes.

Basic Information

Product Name	(3-Chloropropyl)Tripropoxysilane
CAS No.	61214-12-8
Molecular Formula	C12H27ClO3Si
Molecular Weight	282.88 g/mol
Synonyms	3-Chloropropyltripropoxysilane; Tripropoxy(3-chloropropyl)silane; (3-Chloropropyl)tripropyloxysilane; Silane, tripropoxy(3-chloropropyl)-; γ-Chloropropyltripropoxysilane; 3-(Tripropoxysilyl)propyl chloride; Chloropropyltripropoxysilane
EINECS	Contact for details

Quality Control

Our (3-Chloropropyl)Tripropoxysilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) for purity and identity confirmation, to ensure it meets precise specifications. Certificates of Analysis (COA) detailing all test results are provided with every shipment to guarantee traceability and batch-to-batch consistency for our industrial partners.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Refractive Index (n20/D)	1.420 - 1.425
Density (g/mL, 20°C)	0.98 - 1.02

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