Chemical of the Month: P-phenylediamine (PPD)

What is P-phenylediamine?  P-phenylediamine or probably more known as PPD is a dye used in different products such as hair colour, henna tattoos, printing, oil, gas, and rubber products but it can also be found in textiles such as black clothes and nylon stocking, black rubber etc. It is best known for its functions as […]