Description

n-(Triethoxysilylpropyl)Urea is a bifunctional organosilane coupling agent that contains both a hydrolyzable ethoxysilyl group and a urea functional group. This unique structure is critical for enhancing the adhesion and compatibility between inorganic materials and organic polymers. It is primarily needed by manufacturers in the adhesives, sealants, coatings, and advanced composite materials industries seeking to improve product performance and durability.

Application

• Adhesives & Sealants: Acts as an adhesion promoter, significantly improving bond strength between organic adhesives and inorganic substrates like glass, metals, and minerals.
• Polymer Composites: Functions as a coupling agent in fiberglass-reinforced plastics (FRP) and mineral-filled composites, enhancing mechanical properties and moisture resistance.
• Surface Modification: Used to treat fillers (e.g., silica, glass beads) and pigments to improve their dispersion and compatibility within polymer matrices.
• Coatings & Inks: Enhances the adhesion, scratch resistance, and weathering performance of coatings on difficult-to-bond surfaces.
• Rubber Compounding: Improves the reinforcement of silica-filled rubber compounds, leading to better abrasion resistance and lower rolling resistance in tire applications.
• Medical & Dental Materials: Employed in the formulation of silorane-based dental composites and other biomaterials where strong, durable bonds are essential.

Basic Information

Product Name	n-(Triethoxysilylpropyl)Urea
CAS No.	23779-32-0
Molecular Formula	C10H24N2O4Si
Molecular Weight	264.40 g/mol
Synonyms	Ureidopropyltriethoxysilane; 3-(Triethoxysilyl)propylurea; N-[3-(Triethoxysilyl)propyl]urea; Silane A-1160; Ureido silane; γ-Ureidopropyltriethoxysilane; 3-Ureidopropyltriethoxysilane; Organosilane coupling agent A-1160
EINECS	245-904-1

Quality Control

Our n-(Triethoxysilylpropyl)Urea is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, purity, and identity confirmation, to ensure it meets precise specifications and consistent performance. Certificates of Analysis (COA) are provided with every shipment to guarantee traceability and quality assurance for your production processes.

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); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.385 - 1.395
Density (g/mL, 25°C)	1.00 - 1.05

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