Dipotassium Nitrosodisulfonate commonly referred to as ‘Fremy’s Salt’ is a valuable radical molecule that performs oxadations on various chemical compounds including phenols, napthols, amines, indoles. It is an invaluable tool in EPR (electron paramagnetic studies) and has seen use in the synthesis of antitumor agents. Melting Point: >155°C (dec.)Solubility:Water