SIB 1140.0 Bis(2-hydroxyethyl)-3-aminopropyltriethoxysilane 7538-44-5 Gelest Crosslinking / Coupling / Curing Agents >> Silane Polyurethane Coatings ethanol Bis(2-hydroxyethyl)-3-aminopropyltriethoxysilane. Used as an urethane coupling agent in conductive coatings. Bis(2-hydroxyethyl)-3-aminopropyltriethoxysilane. Used as urethane coupling agent in conductive coatings.