湖北博枫化工有限公司
Hubei Bofeng Chemical Co., Ltd.

Sulfuric acid is a kind of inorganic compound, and Chemical formula is H₂SO₄, the most important oxygen-containing acid of sulfur. Pure sulfuric acid is a colorless oily liquid that crystallizes at 10.36℃. It is usually used in a variety of aqueous solutions of different concentrations, which are obtained by tower method and contact method. The former is the crude dilute sulfuric acid, the mass fraction is generally about 75%; The latter can obtain concentrated sulfuric acid with mass fraction of 98.3%, Boiling point338℃ and relative density of 1.84. Sulfuric acid is one of the most active binary inorganic acid, can react with the vast majority of metals. High concentration of sulfuric acid has a strong water absorption, can be used as a dehydrating agent, carbonization of wood, paper, cotton and linen fabrics and biological skin and meat containing carbohydrate substances. It also gives off a lot of heat when mixed with water. It has strong corrosive and oxidizing properties, so it should be used with caution. Is an important industrial raw materials, can be used in the manufacture of fertilizers, drugs, explosives, pigments, detergents, batteries, etc., is also widely used in the purification of oil, metal smelting and dye industry. Commonly used as chemical reagents, in organic synthesis can be used as a dehydrating agent and sulfonating agent.

Product name: Sulfuric acid
Molecular formula: H₂SO₄
Molecular weight: 98.078
CAS: 7664-93-9
Standard state: transparent, colorless and odorless liquid
Density: 1.8305 g/cm³
Melting point: 10.37 ℃
Boiling point: 337 ℃
Solubility: Dissolubility with water at any ratio
Vapor pressure: 6×10^-5 mmHg
Dynamic viscosity: 0.021 Pa s (25℃)
Surface tension: 0.0735 N/m
Refractive index: 1.41827
Heat capacity: 1.416 J/(g K) (STP)
Heat of vaporization: 0.57 kJ/g (STP)
Heat of fusion: 0.1092 kJ/g (STP)
 

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