15 kinds of chemical reagents commonly used in the laboratory

The laboratory is an important place for scientific research and experiments, in which chemical reagents are essential tools. This article will introduce 15 chemical reagents commonly used in the laboratory, which play an important role in scientific experiments, helping scientists to explore, discover and verify scientific principles.

1. Sulfuric acid (H2SO4) : Sulfuric acid is a strong acid with strong corrosive and oxidizing properties. In the laboratory, sulfuric acid is often used to prepare other acids, to wash glassware, and as a reactant in certain chemical reactions.

2. Sodium hydroxide (NaOH) : Sodium hydroxide is a strong base and is strongly corrosive. In the laboratory, sodium hydroxide is often used in neutralization reactions, in the preparation of other bases, and as a reactant in certain chemical reactions.

3. Hydrochloric acid (HCl) : Hydrochloric acid is a strong acid with strong corrosive and volatile properties. In the laboratory, hydrochloric acid is often used in the preparation of other acids, in the dissolution of metals, and as a reactant in certain chemical reactions.

4. Ethanol (C2H5OH) : Ethanol is an organic solvent with good solubility and stability. In the laboratory, ethanol is often used as a solvent for chemical reactions, in the preparation of organic compounds, and as a disinfectant.

5. Acetone (CH3COCH3) : Acetone is an organic solvent with strong solubility and volatility. In the laboratory, acetone is commonly used as a solvent for chemical reactions, in the preparation of organic compounds, and in the extraction of components from plant and animal tissues.

6. Formic acid (HCOOH) : Formic acid is an organic acid with a strong corrosive and pungent odor. In the laboratory, formic acid is often used as a solvent and reactant in chemical reactions, and can also be used to prepare other carboxylic acid compounds.

7. Sodium chloride (NaCl) : Sodium chloride is an inorganic salt, which is one of the trace elements needed by humans and animals. In the laboratory, sodium chloride is often used in the preparation of normal saline, as a reactant in certain chemical reactions, and for experiments such as conductivity determination.

8. Sucrose (C12H22O11) : Sucrose is a common carbohydrate compound with sweet taste and high energy. In the laboratory, sucrose is often used as a carbon source and energy substance in biological experiments, and can also be used to prepare other carbohydrates.

9. Potassium hydroxide (KOH) : Potassium hydroxide is a strong base that is highly corrosive. In the laboratory, potassium hydroxide is often used in neutralization reactions, in the preparation of other bases, and as a reactant in certain chemical reactions.

10. Nitric acid (HNO3) : Nitric acid is a strong acid, with strong oxidation and corrosion. In the laboratory, nitric acid is often used in the preparation of other acids, in the dissolution of metals, and as a reactant in certain chemical reactions.

11. Potassium bromide (KBr) : Potassium bromide is an inorganic salt commonly used in the preparation of other bromides and as a reactant in certain chemical reactions. In the laboratory, potassium bromide is often mixed with other reagents to prepare solutions or participate in chemical reactions.

12. Ammonium chloride (NH4Cl) : Ammonium chloride is an inorganic salt commonly used in the preparation of other ammonium salts and as a reactant in some chemical reactions. In the laboratory, ammonium chloride is often mixed with other reagents to prepare solutions or participate in chemical reactions.

13. Ethyl acetate (C4H8O2) : Ethyl acetate is an organic compound with an aromatic odor and good solubility. In the laboratory, ethyl acetate is often used as a solvent and reactant in chemical reactions, and can also be used to extract components from plant and animal tissues.

14. Benzene (C6H6) : Benzene is an organic compound that has a special odor and stability. In the laboratory, benzene is often used in the synthesis and preparation of organic compounds, and can also be used as a solvent and fuel additive.

15. Methanol (CH3OH) : Methanol is an organic compound with toxic and pungent odor. In the laboratory, methanol is often used as a solvent and reactant in chemical reactions, and can also be used in the preparation of other alcohol compounds and as a fuel additive.