company tower banner
Gelest Inc. Company Logo

Gelest SIT7777.0

Gelest TETRA-n-PROPOXYSILANE (SIT7777.0) has good mechanical properties. It functions as an adhesion promoter, coupling agent, crosslinking agent, and intermediate and is commonly used in chemical production.

Chemical Name: Tetrapropoxysilane

CAS Number: 682-01-9

Functions: Adhesion Promoter, Coupling Agent, Crosslinking Agent, Crosslinking Agent, Intermediate

Chemical Family: Silanes

Safety Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Chemical Name
Base Chemicals Functions
Molecular formula
C₁₂H₂₈O₄Si
Chemical Structure

Gelest SIT7777.0 - Chemical Structure

Features & Benefits

CASE Ingredients Features

Applications & Uses

Applicable Processes
Applications
  • Crosslinker for tin catalyzed condensation cure silicones
  • In combination with CTAB intermediate for mesoporous silica fibers.

Properties

Chemical Properties
ValueUnitsTest Method / Conditions
Boiling Point224 - 225°C
Typical Properties
ValueUnitsTest Method / Conditions
Density0.9158g/ml
Dipole Moment1.48debye
Dielectric Constant2.92F/m
Surface Tension23.6mN/m
Molecular Weight264.44g/mol
Purity97.0%
Hydrolytic Sensitivity7 (Reacts slowly with moisture/water)
Flash Point95.0°C
Refractive Index1.4012
Viscosity (at 25°C)1.66cSt
Thermal Properties
ValueUnitsTest Method / Conditions
Specific Heat1.7J/gm/°C
Coefficient of Thermal Expansion9.12 x 10⁻⁴°C⁻¹

Regulatory & Compliance

Packaging & Availability

Packaging Type
Packaging Information
  • 100 g
  • 2 kg
  • 16 kg
  • 190 kg
  • Packaging under : Nitrogen