GP- 125 [3- (2-aminoethyl)-aminopropyl]trimethoxysilane

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Price is dependant on quantity, please request a quote for more information. If you are interested in samples, please refer to our sample price policy.


GP-125 is an intermediate useful for synthesis of silicone fluids with aminopropyl functionality. GP-125 may also be used as a coupling agent for polyamides and polyesters

Typical Properties
Clear, Colorless Liquid
Molecular Weight (Calculated)
222.36 amu
Amine Number *
Boiling Point
140°C (284°F) @ 15 mm Hg
Flash Point (P.M.C.C.)
126°C (259°F)
Specific Gravity
Weight/Gallon @ 25°C
8.4 lbs
* milliliters of 0.1N HCl needed to neutralize 10 gms of product

Processing and Safety Guidelines

GP-125 should be handled with care. Use proper precautions for handling industrial chemicals. Consult Safety Data Sheet for additional details.


GP-125 is supplied in 5-gallon (40 lbs.) pails and 55-gallon (440 lbs.) drums. Moisture Sensitive - maintain under nitrogen