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HENGDA-Si28 Tetraethyl orthosilicate

Chemical Name: Tetraethyl orthosilicate (Ethyl Silicate)
CAS#: 78-10-4
Structural Formula:
Tetraethyl orthosilicate

Typical Properties

Purity:≥ 99 wt. %
Appearance:Colorless transparent liquid
Color:≤ 20 APHA
Density:0.93 g/cm³
SiO₂-content:approx. 28.5 wt. %
Molecular Weight:208 g/mol
Flash point:≥42℃


  • binder for refractory fillers (production of ceramic shells and cores)
  • precision casting
  • silica coating on pigments, fibers and other surfaces
  • source of finely divided silica
  • crosslinking agent, e. g. for silicone elastomers
  • water scavenger in sealants
  • sol-gel processes


25 kg, 200kg plastic or iron drum
IBC Drum

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