Sodium 2-amino-4-nitrophenolate is a chemical compound with the molecular formula C6H5NNaO4. It is also known by other names, such as sodium picramate or sodium 4-nitro-o-phenylenediamine.This compound is an organic salt derived from the reaction of 2-amino-4-nitrophenol with sodium hydroxide. It appears as yellow crystals or powder and is soluble in water.Sodium 2-amino-4-nitrophenolate has been used in various applications, primarily as a dye intermediate in the production of hair dyes and textile dyes. It is known for its yellow color and its ability to bind to fabrics.It is important to handle sodium 2-amino-4-nitrophenolate with care, as it may be toxic if ingested or inhaled. It is advisable to follow proper safety precautions and consult with professionals when using or working with this compound.