Description

Methacryloxypropylbis(Trimethylsiloxy)Methylsilane is a highly functionalized organosilicon compound, also known as a silane coupling agent. This product matters because it serves as a critical molecular bridge, enhancing adhesion between inorganic materials and organic polymers. It is primarily needed by manufacturers in the coatings, adhesives, and advanced composites industries to improve product durability and performance.

Application

• As a key coupling agent in fiberglass-reinforced plastics and composite materials.
• Surface modification of inorganic fillers (e.g., silica, glass) for improved dispersion and bonding in polymer matrices.
• Formulation of primers and adhesion promoters for coatings on difficult substrates like metals and glass.
• Enhancing the water resistance and mechanical properties of silicone sealants and adhesives.
• Crosslinking agent in the synthesis of specialty silicone resins and polymers.
• Improving the interface in dental composites and other biomedical materials.

Basic Information

Product Name	Methacryloxypropylbis(Trimethylsiloxy)Methylsilane
CAS No.	19309-90-1
Molecular Formula	C16H38O5Si3
Molecular Weight	410.73 g/mol
Synonyms	3-(Methacryloyloxy)propylbis(trimethylsiloxy)methylsilane; Methacryloxypropyltris(trimethylsiloxy)silane (common trade name); Silane A-174 NT (variant); MEMO; γ-Methacryloxypropyl tris(trimethylsiloxy)silane; Tris(trimethylsiloxy)(3-methacryloxypropyl)silane; 3-Methacryloxypropyltris(trimethylsiloxy)silane
EINECS	242-951-5

Quality Control

Our Methacryloxypropylbis(Trimethylsiloxy)Methylsilane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and Infrared Spectroscopy (IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications 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, and 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	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Refractive Index (n20D)	1.408 - 1.412
Density (20°C)	0.92 - 0.96 g/cm³
Water Content (KF)	≤ 0.1%

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