Propellant proposed for Canso Spaceport widely used, says company

3D render of Cyclone 4M rocket being launched into Earth's atmosphere.

"Among the concerns raised by the Department was the use of a hydrazine family chemical in the second stage of the Ukrainian built Cyclone 4M rockets that would launch from the facility into polar and sun synchronous orbits. The highly toxic and corrosive chemical unsymmetrical dimethyl hydrazine is also thought to be a carcinogen...It is used on rockets launched from the United States, Japan, South Korea, Australia, Israel, Brazil, China, Russia and Kazakhstan."

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