This 4,4'-Diaminodiphenyl sulphone, 99%, is a high purity chemical grade product perfect for use in a lab setting. It is an off-white, crystalline powder with a melting point of 293-295°C, and can be used as an intermediate in organic synthesis. It is a versatile chemical that can be used in a variety of applications and experiments. Our lab provides high quality and reliable 4,4'-Diaminodiphenyl sulphone, 99%, at a competitive price.