Metanilic Acid

A crystalline sulfonic acid H2NC6H4SO3H that is isomeric with sulfanilic acid, is made by sulfonating nitrobenzene and then reducing, and is used as an intermediate for azo dyes; meta amino benzenesulfonic acid.

Applications:

As an Intermediates of Dyes.
As an Intermediates of Optical Brightening Agent.
As a Raw – Material of MAP & DEMAP.