Sulfuric acid is a highly corrosive inorganic strong acid and is known as the mother of the chemical industry. Generally clear to slightly yellow, miscible with water at any concentration and exothermic. Sometimes in industrial manufacturing processes, sulfuric acid may also be dyed dark brown to increase awareness of it.
As a dibasic acid, sulfuric acid has different characteristics at different concentrations, and its corrosiveness to different substances, such as metals, biological tissues, and even rocks, is attributed to its strong acidity and its strong acidity at high concentrations. Dehydration (chemical properties), water absorption (physical properties) and oxidation properties. High-concentration sulfuric acid can cause great damage to skin and flesh, because in addition to decomposing proteins and fats through acidic hydrolysis reactions to cause chemical burns, it can also react with carbohydrates to cause dehydration and cause second-degree flame burns, dehydrating organic compounds. into carbon. In addition, the water absorption of sulfuric acid can be used to dry non-alkaline gases.
Product application
Sulfuric acid is an important chemical in industry and is used in a wide range of applications, such as the manufacture of fertilizers, non-alkaline detergents, skin care products, paint additives and explosives.
| Chemical formula |
H2SO4 |
| Appearance |
colorless liquid |
| Melting point |
10 °C |
| Density |
1.84 g/cm³ |
| Boiling point |
337 °C |
| Solubility (water) |
Completely miscible, exothermic |
| Item |
Reagent Grade |
Battery Grade |
Industrial Grade |
| H2SO4 content %≥ |
98.0 |
98.0 |
98.0 |
| Ash %≤ |
0.003 |
0.003 |
0.1 |
| Fe %≤ |
0.0001 |
0.0002 |
0.01 |
| As%≤ |
0.0001 |
0.005 |
- |
| Pb%≤ |
0.005 |
0.002 |
- |
| Transparency(mm) %≥ |
80 |
50 |
50 |
| Chromaticity (ml) %≥ |
2.0 |
2.0 |
2.0 |
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