Description

p-Nonylphenoxypropyldimethylchlorosilane is a specialized organosilicon compound featuring a reactive chlorosilane group and a bulky nonylphenoxypropyl substituent. This structure makes it a highly effective coupling agent and surface modifier, crucial for creating durable bonds between inorganic substrates and organic polymers. It is essential for manufacturers in the advanced materials, electronics, and specialty coatings sectors who require enhanced adhesion, moisture resistance, and tailored surface properties in their products.

Application

• Surface Priming Agent: Used to treat glass, silica, and metal oxides to improve the adhesion of resins, paints, and adhesives.
• Polymer Modification: Acts as a functional monomer or cross-linker in silicone and organic polymer synthesis to introduce specific surface-active properties.
• Chromatography Media: Employed in the derivatization of silica gel for the preparation of reversed-phase HPLC columns.
• Nanomaterial Functionalization: Modifies the surface of nanoparticles (e.g., silica, quantum dots) to enhance dispersion in organic matrices and prevent aggregation.
• Water-Repellent Coatings: A key ingredient in formulations for creating hydrophobic surfaces on textiles, construction materials, and electronic components.
• Adhesive & Sealant Formulations: Improves bonding strength and environmental durability in high-performance silicone-based adhesives and sealants.

Basic Information

Product Name	p-Nonylphenoxypropyldimethylchlorosilane
CAS No.	1274904-19-6
Molecular Formula	C20H35ClO2Si
Molecular Weight	371.03 g/mol
Synonyms	Dimethylchloro[3-(p-nonylphenoxy)propyl]silane; 3-(4-Nonylphenoxy)propyldimethylchlorosilane; Chlorodimethyl[3-(4-nonylphenoxy)propyl]silane; p-Nonylphenoxypropyldimethylchlorosilane; Nonylphenoxypropyldimethylchlorosilane; Silane, chlorodimethyl[3-[4-(1,1,3,3-tetramethylbutyl)phenoxy]propyl]-; (p-Nonylphenoxypropyl)dimethylchlorosilane
EINECS	Contact for details

Quality Control

Our p-Nonylphenoxypropyldimethylchlorosilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay by GC or titration and identity confirmation by FT-IR and NMR spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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) and must be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain reactivity. Keep away from sources of ignition, heat, and incompatible materials such as water, alcohols, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Chlorine Content	9.4 - 9.8 %
Density (at 20°C)	0.96 - 0.98 g/mL
Refractive Index (n20/D)	1.485 - 1.495

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