Sulfuric Acid

Sulfuric Acid


Strong Inorganic Acid
Sulfuric Acid is a highly corrosive, dense, oily liquid with the chemical formula H₂SO₄. It is colorless to slightly yellow and is known for its strong acidic and dehydrating properties.


Sulfuric acid is one of the most widely used industrial chemicals, essential in fertilizer production, petroleum refining, chemical synthesis, metal processing, batteries, and water treatment. It is valued for its high reactivity and versatility in industrial processes.


Physical & Chemical Properties

Formula

H₂SO₄

Concentration

99%

Appearance

Colorless to pale yellow liquid

pH

-

Sulfuric Acid

Product Specifications
Specifications Range
Appearance Clear, Colorless Liquid
Assay (H₂SO₄) 98.0% Min. (by w/w)
Specific Gravity 1.830 at 25°C
Residue on Ignition 0.01% Max
Iron (Fe) 0.001% Max
Chloride (Cl) 0.0033% Max
Heavy Metals (as Pb) 0.002% Max
Arsenic (as As₂O₃) 0.0005% Max
Oxidizable Impurities (as SO₂) 0.004% Max

Sulfuric Acid

Sulfuric Acid Applications

Chemical Industry

Sulfuric acid is one of the most important industrial chemicals, widely used as a raw material and catalyst in the manufacture of fertilizers, chemicals, dyes, pigments, detergents, and synthetic products.

Fertilizer Industry

Sulfuric acid is extensively used in the production of phosphate fertilizers such as single super phosphate (SSP), ammonium sulfate, and phosphoric acid, supporting global agricultural productivity.

Petroleum Refining

In petroleum refining, sulfuric acid is used in alkylation processes to produce high-octane fuels and to remove impurities during refining operations.

Battery Manufacturing

Sulfuric acid is a key component in lead-acid batteries, acting as the electrolyte that enables efficient energy storage and electrical performance.

Metal Processing

Sulfuric acid is used in metal pickling and surface treatment processes to remove rust, scale, and impurities from steel and other metals before further processing or coating.

Pharmaceutical Industry

In pharmaceuticals, sulfuric acid is used in the synthesis of active pharmaceutical ingredients (APIs) and chemical intermediates, ensuring controlled reaction conditions.

Water Treatment

Sulfuric acid is used to adjust pH levels in water and wastewater treatment processes, improving treatment efficiency and regulatory compliance.

Textile Industry

In the textile industry, sulfuric acid is used in fiber processing, dyeing, and finishing operations, helping achieve consistent quality and color fastness.