Speciality Chemicals

Trimethoxy(2-methylpropyl)silane

  • CAS No.18395-30-7
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity Trimethoxy(2-methylpropyl)silane designed for hydrophobic surface treatment, crosslinking formulations, and catalyst systems.

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Product Technical Details

Product Overview

Trimethoxy(2-methylpropyl)silane is a high-performance organosilicon compound widely recognized for its exceptional ability to modify surface properties and enhance material compatibility. As a versatile silane coupling agent, it facilitates strong chemical bonding between inorganic substrates and organic polymers. Our manufacturing process ensures superior consistency and purity, making it an ideal choice for demanding industrial applications ranging from construction waterproofing to advanced polymer synthesis.

This colorless clear liquid exhibits excellent stability and reactivity, hydrolyzing readily to form silanol groups that condense into durable siloxane networks. This mechanism provides long-lasting water repellency and improved adhesion in composite materials. We adhere to strict quality control protocols to guarantee that every batch meets international standards for chemical performance and safety.

Key Specifications

ParameterSpecification
CAS Number18395-30-7
Molecular FormulaC7H18O3Si
Molecular Weight178.30 g/mol
AppearanceColorless clear liquid
Purity (GC)≥97.0%
Density0.93 g/cm3
Boiling Point154oC
Flash Point42oC
Refractive Index1.396

Industrial Applications

The functional versatility of Trimethoxy(2-methylpropyl)silane allows it to serve critical roles across multiple sectors. Its primary function involves rendering surfaces hydrophobic, which is essential for protecting construction materials against moisture ingress and environmental degradation. Additionally, it acts as a crucial component in silane crosslinking formulations, enhancing the mechanical properties of polymers.

  • Construction Materials: Provides effective water repellency for concrete, reinforced concrete, and mineral fillers, extending structural lifespan.
  • Surface Modification: Generates hydrophobicity on various substrates and increases compatibility with organic non-polar matrices.
  • Catalyst Systems: Serves as a specialized component in the manufacture of Ziegler-Natta catalysts for polymerization processes.
  • Crosslinking Agent: Utilized in silicone and polymer formulations to improve thermal stability and mechanical strength.

Handling and Storage

To maintain optimal quality, this product should be stored in a cool, ventilated area away from direct sunlight and moisture sources. Containers must remain tightly sealed when not in use to prevent premature hydrolysis. For application, the silane can be diluted in solvents such as alcohols, chlorinated solvents, aliphatic solvents, or low molecular weight cyclic polydimethylsiloxane. Users should select the appropriate solvent blend based on specific evaporation rate requirements, noting that certain combinations may affect surface coloration. We recommend consulting our technical team for formulation guidance to ensure safe and effective integration into your production processes.