Book excerpt: "Summarized are the physical properties, materials compatibility, handling techniques, flammability and explosivity, and procedures for storing, cleaning, and flushing the Titan II propellants N2O4 as the oxidizer and a nominal 50/50 blend of UDMH and N2H4 as the fuel. The data presented was derived both from a literature survey and from a test program conducted at Bell Aerosystems Company and at the U.S. Bureau of Mines". -- page iii.