Description

N,N'-Bis[3-(Triethoxysilyl)Propyl]Ethanebisthioamide is a specialized organosilane coupling agent featuring a unique bisthioamide functional group. This compound is engineered to provide superior adhesion promotion and cross-linking capabilities between inorganic substrates and organic polymers. It is essential for industries requiring enhanced material durability, chemical resistance, and thermal stability in composite systems. Key applications span advanced rubber manufacturing, high-performance adhesives, and specialty coatings.

Application

• Rubber & Tire Industry: Acts as a critical coupling agent and cross-linker in silica-filled rubber compounds, improving abrasion resistance, reducing rolling resistance, and enhancing mechanical properties for high-performance tires.
• Adhesives & Sealants: Serves as an adhesion promoter in polysulfide and polyurethane-based formulations, significantly improving bond strength to glass, metals, and minerals.
• Specialty Coatings: Used as a surface modifier and cross-linking agent in corrosion-resistant and protective coatings to enhance adhesion to metal substrates and film integrity.
• Composite Materials: Functions as a key interfacial agent in fiberglass-reinforced plastics (FRP) and mineral-filled composites to improve load transfer and mechanical performance.
• Polymer Modification: Employed to modify polymer matrices, introducing reactive sites for further chemical grafting or to improve compatibility with fillers.
• Metal Surface Treatment: Utilized in primers and pretreatment solutions to improve the adhesion of subsequent organic layers to aluminum, steel, and other metals.

Basic Information

Product Name	N,N'-Bis[3-(Triethoxysilyl)Propyl]Ethanebisthioamide
CAS No.	63981-23-7
Molecular Formula	C24H54N2O6S2Si2
Molecular Weight	587.0 g/mol
Synonyms	Bis(3-triethoxysilylpropyl) ethanebisthioamide; 1,2-Bis[(3-triethoxysilyl)propylamino]dithiooxamide; N,N'-Bis(3-triethoxysilylpropyl)dithiooxamide; Dithiooxamide derivative silane; Silane coupling agent Si-747; Thioamide functional silane; TESPT dithioamide analog; Bis(triethoxysilylpropyl) dithiooxamide
EINECS	Contact for details

Quality Control

Our production of N,N'-Bis[3-(Triethoxysilyl)Propyl]Ethanebisthioamide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, purity verification, and functional group analysis, to ensure consistency and performance. Certificates of Analysis (COA) detailing all specifications are provided with each shipment. We support compliance with relevant global chemical management regulations, including REACH.

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. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Silane Content	Contact for details
Moisture (KF)	≤ 0.5%
Refractive Index (20°C)	1.450 - 1.460
Density (20°C)	1.05 - 1.10 g/cm³

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