Hydrazine Hydrate is a colourless liquid that is used in chemical manufacturing eg. agrochemicals, pharmaceutical syntheses and as boiler feed water treatment. It is classified as toxic, corrosive and dangerous to the environment. In the Seveso II Directive 96/82/EC, Hydrazine Hydrate was brought underneath the scope of thresholds relating to Carcinogens. Exposure to Hydrazine Hydrate by inhalation may cause carcinogenic affects. The chemical is toxic via ingestion or absorption.