Description

n-(Trimethoxysilylpropyl)Isothio-Uronium Chloride is a bifunctional organosilane coupling agent that combines a reactive isothiouronium chloride group with hydrolyzable trimethoxysilyl groups. This unique structure enables it to act as a powerful adhesion promoter and surface modifier, creating durable bonds between inorganic substrates and organic polymers. It is essential for manufacturers in the rubber, adhesive, and composite materials industries seeking to enhance the performance and longevity of their products.

Application

• As a key silane coupling agent to improve the adhesion of rubber compounds to reinforcing materials like glass fibers, metals, and mineral fillers.
• Surface treatment for glass fibers and minerals (e.g., silica, clay) to enhance their compatibility and dispersion within polymer matrices.
• Formulation of high-performance sealants and adhesives with improved bonding strength and environmental resistance.
• Modification of filler surfaces in composite materials to increase mechanical strength and reduce moisture sensitivity.
• As an intermediate in the synthesis of specialized silane-modified polymers and resins.
• Potential use in corrosion-resistant coatings for metals by promoting primer adhesion.

Basic Information

Product Name	n-(Trimethoxysilylpropyl)Isothio-Uronium Chloride
CAS No.	84682-36-0
Molecular Formula	C7H19ClN2O3SSi
Molecular Weight	274.85 g/mol
Synonyms	3-(Trimethoxysilyl)propylisothiouronium Chloride; (3-Isothioureidopropyl)trimethoxysilane Chloride; Isothiouronium Propyltrimethoxysilane Chloride; Silane A-1160 (Trade Name); N-[3-(Trimethoxysilyl)propyl]isothiouronium Chloride; γ-Isothiouroniopropyltrimethoxysilane Chloride; UCB 1160 (Trade Name)
EINECS	Contact for details

Quality Control

Our production of n-(Trimethoxysilylpropyl)Isothio-Uronium Chloride adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed against comprehensive specifications, including assay, purity, and functional group verification. A Certificate of Analysis (COA) documenting these results is provided with every shipment to 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Refractive Index (n20D)	1.440 - 1.450
Density (20°C)	1.10 - 1.20 g/cm³

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