Description

4,5-Dihydro-2-[[3-(Triethoxysilyl)Propyl]Thio]-1H-Imidazole Monohydrobromide is a high-purity organosilane coupling agent with a reactive imidazole-thiol functional group. This compound is engineered to provide superior adhesion promotion and surface modification in demanding polymer and composite systems. It is essential for manufacturers in the coatings, adhesives, and advanced materials sectors seeking to enhance the compatibility and durability between organic polymers and inorganic substrates.

Application

• Adhesion Promoter for Coatings: Significantly improves the adhesion of epoxy, polyurethane, and acrylic coatings to glass, metal, and mineral surfaces, enhancing corrosion resistance and durability.
• Coupling Agent for Reinforced Composites: Used as a key surface treatment for glass fibers, silica, and other fillers to improve mechanical properties and interfacial bonding in fiberglass-reinforced plastics (FRP) and engineering thermoplastics.
• Rubber and Tire Industry: Acts as a bifunctional silane to improve the reinforcement of silica in "green tire" formulations, reducing rolling resistance and improving wet grip.
• Sealants and Adhesives: Enhances the bond strength and moisture resistance of silicone, polyurethane, and polysulfide-based sealants and adhesives.
• Surface Modification of Nanoparticles: Functionalizes metal oxide nanoparticles (e.g., silica, alumina) for improved dispersion and compatibility in polymer matrices and advanced ceramic precursors.
• Corrosion Inhibiting Primers: Incorporated into primer formulations for metals, offering both excellent adhesion and active corrosion inhibition due to the imidazole functionality.

Basic Information

Product Name	4,5-Dihydro-2-[[3-(Triethoxysilyl)Propyl]Thio]-1H-Imidazole Monohydrobromide
CAS No.	91998-52-6
Molecular Formula	C13H27BrN2O3SSi
Molecular Weight	399.40 g/mol
Synonyms	2-Mercapto-1-ethylimidazole 3-(triethoxysilyl)propyl sulfide hydrobromide; 1H-Imidazole, 4,5-dihydro-2-[[3-(triethoxysilyl)propyl]thio]-, monohydrobromide; N-(3-Triethoxysilylpropyl)-4,5-dihydroimidazole Thioether Hydrobromide; Silane A-1160 (Hydrobromide Salt); Imidazoline silane coupling agent (HBr salt); 3-(4,5-Dihydro-1H-imidazol-2-ylthio)propyltriethoxysilane hydrobromide
EINECS	Contact for details

Quality Control

Our production of 4,5-Dihydro-2-[[3-(Triethoxysilyl)Propyl]Thio]-1H-Imidazole Monohydrobromide adheres to stringent quality management protocols. Every batch is analyzed to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing assay, identity, and impurity profiles are provided to guarantee compliance with your technical specifications and support your quality assurance 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 after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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