Thick fuming yellow liquid. Density 16.5 lb / gal. Very toxic by inhalation. Corrosive to metals and tissue, quickly causing severe burns. Used to make chemicals, dyes, explosives and in petroleum refining.
Sulfating and sulfonating agent, the dehydrating agent in nitrations, dyes, explosives, lab reagent.
Used in Explosive materials
As shared in the introduction, Oleum Fuming Sulphuric Acid in Hyderabad is also called Oleum. It is basically having a number greater than 1 ration to water.
For example, 10% oleum would mean 102.2% sulphuric acid.