Description

3-{[Dimethyl(3-Trimethoxysilyl)Propyl]Ammonio}Propane-1-Sulfonate, Tech 95 is a high-purity zwitterionic sulfobetaine silane coupling agent, designed to provide superior surface modification and adhesion promotion. This compound is essential for creating durable, water-resistant bonds between inorganic substrates and organic polymers. It is primarily needed by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced composite materials and specialty chemical synthesis.

Application

• As a key coupling agent in glass fiber-reinforced plastics (GRP) and mineral-filled composites to enhance mechanical properties and moisture resistance.
• For surface pretreatment of glass, metals, and minerals to improve the adhesion of paints, inks, and coatings.
• As an additive in sealants and adhesives to boost bonding strength and long-term durability in humid environments.
• In the formulation of specialty surfactants and amphoteric polymers with unique solubility and surface activity profiles.
• For modifying silica and other fillers to enhance their compatibility and dispersion within polymer matrices like rubbers and thermoplastics.
• As a corrosion-inhibiting primer component for metal surfaces, providing a protective, organosilane-based layer.

Basic Information

Product Name	3-{[Dimethyl(3-Trimethoxysilyl)Propyl]Ammonio}Propane-1-Sulfonate, Tech 95
CAS No.	151778-80-2
Molecular Formula	C11H27NO6SSi
Molecular Weight	329.49 g/mol
Synonyms	3-((3-(Trimethoxysilyl)propyl)dimethylammonio)propane-1-sulfonate; Sulfobetaine silane; Zwitterionic silane coupling agent; (3-Trimethoxysilylpropyl)dimethylammonio propanesulfonate; SB Silane; N,N-Dimethyl-N-(3-(trimethoxysilyl)propyl)ammoniopropanesulfonate; DMAPS silane; 151778-80-2
EINECS	Contact for details

Quality Control

Our Tech 95 grade product undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing key parameters such as assay, identity, and impurity profiles. We adhere to strict quality management systems to guarantee the reliability and performance of this specialty silane for your critical applications.

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 bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Refractive Index (20°C)	1.430 - 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.