Fuming sulphuric acid, also known as oleum, is a pungent corrosive chemical compound made up of dissolving sulfur trioxide in concentrated sulfuric acid. At Maruti Fine Chemicals, we produce fuming sulphuric acid of high purity, which is extensively used as an intermediate in the manufacture of dyes, pigments, synthetic detergents, and pharmaceuticals. Fuming Sulphuric Acid is use... https://www.indiamart.com/proddetail/fuming-sulphuric-acid-oleum-acid-19637850512.html