Description

Methyltri-n-Propoxysilane is a versatile organosilicon compound widely used as a coupling agent and surface modifier. Its primary value lies in its ability to form stable bonds between inorganic materials and organic polymers, enhancing composite performance. This chemical is essential for manufacturers in the coatings, adhesives, and sealants industries seeking to improve material compatibility, adhesion, and moisture resistance.

Application

• Crosslinking Agent: Used in silicone resin formulations to promote curing and enhance thermal stability and mechanical properties.
• Surface Treatment: Modifies the surface of inorganic fillers (e.g., silica, glass fibers) to improve dispersion and interfacial adhesion in polymer composites.
• Adhesion Promoter: Incorporated into primers and adhesive systems to boost bond strength on difficult substrates like metals and glass.
• Water Repellency: Imparts hydrophobic characteristics to mineral surfaces, textiles, and construction materials.
• Intermediate Synthesis: Serves as a key precursor in the production of more complex silane derivatives and specialty silicones.
• Nano-material Modification: Functionalizes nanoparticles to prevent agglomeration and facilitate integration into advanced material matrices.

Basic Information

Product Name	Methyltri-n-Propoxysilane
CAS No.	995-24-4
Molecular Formula	C10H24O3Si
Molecular Weight	220.39 g/mol
Synonyms	Methyltripropoxysilane; Methyltris(propoxy)silane; n-Propyl orthosilicate, methyl-; Silane, methyltris(propoxy)-; Methyltripropyloxysilane; Tris(propoxy)methylsilane; Methyl tri-n-propyl silicate; 995-24-4
EINECS	213-632-0

Quality Control

Our Methyltri-n-Propoxysilane is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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, containers must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Refractive Index (n20D)	1.400 - 1.405
Density (20°C)	0.92 - 0.96 g/mL

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