For more information about hydrazine, when used as a rocket fuel then I would recommend the following sites and the associated pages:
www.rocketry.com/mwade/spaceflt.htm
www.lerc.nasa.gov/www/tu/launch/foctopbs.htm
Another useful page with more properties of hydrazine is:
Other useful chemistry web pages are:
The Department of Chemistry home page at the University of Bristol