| CAS Number | 7664-93-9 |
|---|---|
| Molecular Formula | H₂SO₄ |
| Molecular Weight | 98.08 g/mol |
| Appearance | Clear to slightly yellow, oily liquid |
| Odor | Odorless |
| Density | 1.84 g/cm³ |
| Boiling Point | ~337°C |
| Freezing Point | 10°C |
| Viscosity | Highly viscous at low temperatures |
| Solubility | Miscible with water (exothermic reaction when diluted) |
| pH | <1 (strong acid, concentrated solution) |
Sulfuric Acid (H₂SO₄)
Sulfuric acid is a highly corrosive, dense, and viscous inorganic acid widely used across industries for its strong acidic and dehydrating properties. It is often called the “king of chemicals” due to its central role in chemical manufacturing and industrial applications.
Applications
Industrial Applications
- Fertilizer Production:
- Used to produce phosphoric acid for phosphate fertilizers like ammonium sulfate and superphosphates.
- Petroleum Refining:
- Removes impurities during oil refining.
- Metal Processing:
- Used for pickling and cleaning metals before electroplating or galvanization.
Chemical Manufacturing
- Production of Chemicals:
- Used to manufacture hydrochloric acid, nitric acid, and dyes.
- A key reactant in producing sulfur trioxide (SO₃) and oleum.
- Catalyst:
- Catalyst in esterification and other organic reactions.
Battery Acid
- Used as an electrolyte in lead-acid batteries for vehicles and backup power systems.
Cleaning and Descaling
- Removes rust, scale, and mineral deposits from surfaces and equipment.
Pharmaceuticals
- Used in the synthesis of drugs and intermediates.
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