Hydrazine sulfate is an inorganic salt. It is a white crystalline solid that is highly soluble in water and has a slightly sweet taste. Hydrazine sulfate is a hydrazine derivative and contains both hydrazine and sulfuric acid moieties. Hydrazine sulfate has various industrial applications, including its use as a reducing agent and in the synthesis of organic compounds. It is also used as a rocket fuel and in the preparation of pharmaceuticals.