Description

(R)-n-1-Phenylethyl-N'-Triethoxysilylpropylurea is a high-purity, chiral organosilane coupling agent. This compound is specifically engineered to provide a robust covalent link between inorganic surfaces and organic polymers, enhancing adhesion, dispersion, and mechanical properties. It is essential for manufacturers in the advanced composites, specialty coatings, and high-performance elastomer industries seeking to improve product durability and performance.

Application

• As a key adhesion promoter in fiber-reinforced polymer (FRP) composites, such as glass or carbon fiber with epoxy or unsaturated polyester resins.
• Surface modification of silica, glass, and other mineral fillers to improve compatibility and dispersion in silicone rubber and other polymer matrices.
• Formulation of primers and coupling agents for high-performance coatings and adhesives on metal, glass, and ceramic substrates.
• Enhancement of the mechanical properties and hydrolytic stability of silicone sealants and encapsulants.
• Surface functionalization of nanoparticles for advanced material science and nanotechnology applications.
• Improving the bond strength and durability of dental composites and other biomedical polymer materials.

Basic Information

Product Name	(R)-n-1-Phenylethyl-N'-Triethoxysilylpropylurea
CAS No.	131206-15-0
Molecular Formula	C18H32N2O4Si
Molecular Weight	368.55 g/mol
Synonyms	(R)-1-Phenylethyl 3-(Triethoxysilyl)propylurea; (R)-N-(1-Phenylethyl)-N'-(3-triethoxysilylpropyl)urea; (R)-N-1-Phenylethyl-N'-3-(triethoxysilyl)propylurea; Urea, N-[(1R)-1-phenylethyl]-N'-[3-(triethoxysilyl)propyl]-; (R)-N-(α-Methylbenzyl)-N'-(3-triethoxysilylpropyl)urea; (R)-Ureidopropyltriethoxysilane; (R)-UPS; (R)-γ-Ureidopropyltriethoxysilane
EINECS	Contact for details

Quality Control

Our (R)-n-1-Phenylethyl-N'-Triethoxysilylpropylurea is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity and assay determination, to ensure consistent performance and high chemical purity. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 99.0% (R-enantiomer)
Refractive Index (n20/D)	1.470 - 1.480
Density (g/mL, 20°C)	1.00 - 1.05

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