GP-62 Tetraethylorthosilicate

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GP-62 is an intermediate useful for synthesis of silicone based resins via a hydrolysis and condensation reaction. GP-62 may also be used for preparing hydrophobic and release materials, as well as surface treatments for glass and synthetic fibers to improve chemical and temperature resistance.

Typical Properties
Clear, Colorless Liquid
Molecular Weight (Calculated)
208.33 amu
Boiling Point
333 °F
Flash Point (P.M.C.C.)
Specific Gravity
Weight/Gallon @ 25°C
7.8 lbs

Processing and Safety Guidelines

GP-62 should be handled with care. Use proper precautions for handling Flammable Materials. Consult Safety Data Sheet for additional details.


GP-62 is supplied in 5-gallon (38 lbs.) pails and 55-gallon (427 lbs.) drums. GP-62 is Flammable. Keep away from open flames or welding torches, even when empty. Moisture Sensitive - maintain under nitrogen.