Grade: CG-1812

Octadecyltrimethoxysilane

CG-1812 (Octadecyltrimethoxysilane) is a long-chain alkyl silane coupling agent providing hydrophobicity and temperature resistance, primarily used in resins, waterproofing, and filler treatment.

  • CAS No.: 3069-42-9
  • EC No.: 221-339-2
  • Molecular Formula: C21H46O3Si
  • Structural FormulaCG-1812 Structural Formula
  • Synonyms: Trimethoxy(octadecyl)silane
  • Appearance: colorless to pale yellow, transparent liquid
  • Purity: ≥95%
  • Density (20 °C): 0.800-1.000 g/cm3

Packaging and Storage

This product can be packaged in 25 kg plastic drums, 200 kg plastic drums, or steel drums. Other package sizes are available upon request. Store in a cool, well-ventilated, dry place in tightly sealed containers, protected from light

Application

  • CG-1812 is a long-chain alkyl silane coupling agent providing hydrophobicity and temperature resistance, used in resins, waterproofing, and filler treatment. CG-1812 modifies the surface of precipitated silica to reduce viscosity and improves the processi

  • CG-1812 modifies the surface of glass, quartz sand, metals, and powder fillers to impart hydrophobic properties.

  • CG-1812 improves the compatibility between fillers and resins.