
Methylene Diphenyl Diisocyanate or MDI is commonly known as Diphenylmethane Diisocyanate. It is an aromatic diisocyanate compound. It is formed due to a reaction between aniline and formaldehyde using an acid catalyst, such as hydrochloric acid, and is further treated by phosgene. MDI is a pale-yellowish or white-colored solid material with a boiling point that measures...