What Is Boric Acid Used For?

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Boric acid is a water-soluble white compound that occurs naturally. It is composed of oxygen, boron and hydrogen. It is said to have antifungal and antibacterial properties. Before applying boric acid to any part of the body, be sure to consult your healthcare provider. It irritates the skin and may cause severe reactions.

Uses can include:

Boric acid is usually part of homeopathic medicine and is used to treat vaginal discharge and itching. This medicine is a combination of beneficial bacteria, vitamin E and a small amount of boric acid.

It is usually diluted to treat diaper rash, insect bites and sunburn.

Boric acid is an effective pesticide for killing cockroaches, mice and flies.

Boric acid is called a swimming pool chemical because it has proven to be very useful for maintenance. It can help stabilize the pH of the water and prevent algae problems. This product reduces the chlorine required in swimming pools. This compound can help keep the water clear and sparkling. It can also be used to remove fungi in pool water.

It also helps treat various ear infections in humans and pets. It is not recommended for children to use boric acid.

It also helps treat foot odor. People who suffer from foot odor can mix boric acid powder and talcum powder on the inside of their shoes.

Boric acid can be used as a wound spray after mixing with distilled water. This solution contains bactericidal ingredients that help treat small wounds such as cuts and burns. This cannot be used too frequently.

When washing clothes, adding boric acid to ordinary detergents can help remove stubborn stains on clothes.

They are used to remove dust and odors from kitchens and bathrooms.

Due to its flame retardant properties, boric acid is widely used in the manufacture of furniture, mattresses and insulating materials. Boric acid helps protect the wood from fungi and insects.

Industrially used to manufacture fiberglass, household glass products, and liquid crystal display (LCD) glass. In order to produce glass with better chemical resistance and high temperature resistance, boric acid is used in glass products.

Boric acid is a good cleaning agent that can remove all kinds of molds and insects, such as ants, cockroaches, silverfish, fleas, etc.

Boric acid is also used in leather manufacturing, and it is used in the jewelry industry along with denatured alcohol.

Boric acid is also used as a flux by blacksmiths.

Its mixture with petroleum or vegetable oil is an excellent lubricant that can be used on ceramic or metal surfaces.

boric acid

Manufacturers use boric acid in various products such as enamels, pesticides, glazes and paints.

Boric acid is widely used to treat boron deficiency in plants.

It is naturally found in vegetables, most fruits, grains and nuts. However, we cannot tell because boric acid crystals are odorless and tasteless. In nature, it is very toxic. However, boric acid is toxic if swallowed or inhaled in large quantities. High concentrations of boric acid may cause reproductive problems, kidney damage, endocrine disorders, increased liver enzymes, abdominal pain, allergic reactions, burning sensation, irritation, central nervous system (CNS) irritation, central nervous system depression, diarrhea, skin rash, and vomiting.

Crown Ether

 Crown ether is a newly developed compound with special complexing properties after the 1970s. Because of its crown-like shape, it is also called "crown compound". It is a type of [CH2CH2Y] n (n>Crown ether in a narrow sense refers to the macrocyclic polyether Y is O, such as 18-crown-6 and dicyclohexyl-18-crown-6. They are named after the order of non-ring substituents, number of ring atoms, class name (crown) and number of ring hetero atoms are named according to common nomenclature, such as dibenzo-18-crown-6. Saturated crown ether is a colorless viscous liquid or low melting solid while aromatic ring-containing crown ether is colorless crystal. Crown ethers containing aromatic rings are insoluble in water, alcohol and common organic solvents at room temperature, but are more soluble in dichloromethane, chloroform, pyridine and formic acid. Crown ethers containing cyclohexyl groups are more soluble in water, alcohols, aromatic hydrocarbons and petroleum ethers than the corresponding benzo crown ethers.

Crown ethers

Crown ethers generally have good thermal stability. However, its ether bonds are easily oxidized when melted or at high temperatures. The aromatic ring in the molecule can participate in bromination, nitration, esterification and ozonation, and can also form a polymer with formaldehyde during condensation. Crown ether can form a complex substance called cryptoester, which makes many salts soluble in non-polar organic solvents, so many difficult reactions can be carried out easily. The stronger the lipophilicity, the stronger the catalytic activity. In addition, the reaction is selective because its fixed space can only accommodate ions of the corresponding size. The stability of the polyether ring formed by the crown ether and the positive ion mainly depends on the relative size of the polyether ring and the positive ion; because the compound is formed by electrostatic interaction, the stability constant is generally small. What makes the reaction convenient is that the complex is easily decomposed by adding water, dilute acid or thermal decomposition.

Preparation method: generally use Williamson (Williamson) ether synthesis. But in order to prevent chain polymerization, it is recommended to use high dilution method, hierarchical condensation and template reaction.

At present, the most widely used and easily available crown ethers are 18-crown-6, dibenzo-18-crown-6 and dicyclohexyl-18-crown-6. The formation of complexes between crown ethers and metal cations is an important feature of crown ethers, which can be used for phase transfer catalysis in organic synthesis.

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