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Boric acid liquid is an inorganic compound with the chemical formula of H3BO3. It is a white crystalline powder with a greasy feel and no smell. It is widely used in the glass industry. It can improve the heat resistance and transparency of glass products, improve the mechanical strength, shorten the melting time, and can also be used as an antiseptic and disinfectant. It is used to produce high-grade glass and glass fiber such as optical glass, acid resistant glass and organic boron glass. It can improve the heat resistance and transparency of glass, improve the mechanical strength and shorten the melting time. It is used to produce various borates, such as sodium borohydride, ammonium hydrogen borate, cadmium borotungstate, potassium borohydride, etc. In the production of nylon intermediates, boric acid catalyzes the oxidation of hydrocarbons and generates esters to increase the yield of ethanol, thus preventing the further oxidation of hydroxyl groups to form ketones or hydroxyacids. Chemical fertilizer industry is used to produce candle wick and boron containing chemical fertilizer. It is used as an analytical chemical reagent to prepare buffer solution and various culture media for haploid breeding.
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Chemical Formula |
BH3O3 |
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Exact Mass |
62 |
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Molecular Weight |
62 |
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m/z |
62 (100.0%), 61 (24.8%) |
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Elemental Analysis |
B, 17.48; H, 4.89; O, 77.63 |
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The hydrolysis reaction of Boric acid liquid in sodium hydroxide solution produces boron hydroxide (HBO3) and sodium chloride (NaC1). The detailed synthesis steps of boron hydroxide further react to produce boric acid (HB02) and sodium hydroxide (NaOH) are as follows:
The chemical equation for the hydrolysis reaction of boron chloride (BCl3) in sodium hydroxide solution to produce boron hydroxide (HBO3) and sodium chloride (NaCl) is:
BCl3 + 3H2O → HBO3 + 3NaCl
The chemical equation for the further reaction of boron hydroxide (HBO3) with sodium hydroxide (NaOH) to generate boric acid (HB02) and sodium hydroxide (NaOH) is:
HBO3 + NaOH → HB02 + NaOH
Preparation of raw materials:
Boron chloride (BCl3): As the main reaction raw material, it is necessary to ensure its purity and stability.
Sodium hydroxide solution: As a reaction medium, its concentration and purity need to be ensured.
Inert gas: used to protect the reaction system from oxidation and pollution.
Experimental equipment: including a reactor, condenser, collection bottle, etc., used for chemical reactions and product collection.
The specific steps are as follows:
(1) In a dry reactor, add a certain amount of boron chloride (BCl3) and sodium hydroxide solution. Ensure that boron chloride is completely dissolved in sodium hydroxide solution.
(2) Heat the reaction mixture to a certain temperature and maintain a constant temperature. This temperature should be sufficient to trigger hydrolysis reactions, but it will not lead to the occurrence of other side reactions.
(3) During the heating process, boron chloride (BCl3) undergoes a hydrolysis reaction with water to produce boron hydroxide (HBO3) and sodium chloride (NaCl). This reaction is reversible and the reaction equilibrium can be adjusted by controlling the reaction conditions (such as temperature and time).
(4) After the hydrolysis reaction is completed, cool the reaction mixture to room temperature.
(5) Separate the generated boron hydroxide (HBO3) and sodium chloride (NaCl) through methods such as filtration or centrifugation.
(6) Further react boron hydroxide (HBO3) with sodium hydroxide (NaOH) solution to generate boric acid (HB02) and water. This reaction is direct and does not require controlling other conditions.
(7) Separate the generated boric acid (HB02) and sodium hydroxide (NaOH) through methods such as filtration or centrifugation.
(8) Finally, purity testing and property analysis are performed on the separated products to ensure that the obtained products meet the requirements.
Boric acid liquid (H3BO3) is a colorless crystal with high melting point and good thermal stability. It easily absorbs moisture and deliquescence in air, and can react with many inorganic acids to form corresponding salts. Boric acd has low solubility in water, but can dissolve in organic solvents such as ethanol and methanol. Boric acd is a compound with unique properties and multiple uses, playing an important role in industrial production, medicine, agriculture, and scientific research.
Industrial applications
Glass manufacturing: Boric acd plays an important role in the glass industry, especially in the production of optical glass, acd resistant glass, heat-resistant glass, and glass fibers for insulation materials. It can significantly improve the heat resistance, transparency, and mechanical strength of glass products. Boric acid can also shorten the melting time of glass and improve production efficiency. Boric acid is an important raw material for manufacturing heat-resistant glass and quartz glass, which can replace traditional sulfates as fluxes to improve the corrosion resistance and transparency of glass.
Ceramic manufacturing: Boric acid helps improve the hardness and wear resistance of products in ceramic manufacturing. Boric acd can be used as a component of ceramic glazes to enhance their glossiness and hardness.
Metallurgical industry: Boric acid can be used as a flux and solubilizer to lower the melting point of metals and improve smelting efficiency. In the production of boron steel, boric acid is used as an additive to improve the hardness and rolling ductility of boron steel, making it a substitute for nickel steel. Boric acid can also prevent surface oxidation during metal welding, brazing, and sleeve welding. Boric acid is an additive and co solvent used in the production of boron iron.
Enamel products: Boric acid can enhance the gloss and firmness of enamel products.
Wood industry: Boric acid is used as a flame retardant in the manufacturing process of wood, paper, etc., which can improve the fire resistance of materials and protect wood and other materials that are prone to corrosion. It is used as a preservative. Boric acid can also be used to manufacture corrugated paper adhesives and enhance wet adhesive strength.
Leather products: Boric acd is used as a tanning agent in leather products to make leather softer and more durable. It is also used for de ashing treatment on the surface of bare leather to prevent gray spots from appearing on the leather after re tanning.
Rubber industry: Boric acid can be used to delay the vulcanization of rubber.
Textile industry: Boric acid can be used in different stages of textile production, including dyeing, finishing, and fire-resistant treatment. It can make fibers soft and increase elasticity, making fabrics more breathable and hygroscopic. Boric acid can be used to make fabric fire-resistant agents. Boric acid is also used as a softener and antistatic agent to improve the feel and performance of textiles.
Paint and plastic manufacturing: Boric acd, as a crosslinking agent, can improve the hardness and durability of materials in paint and plastic manufacturing. Boric acid is used as a stabilizer in the production process of polystyrene, a type of plastic.
Electronic industry: Boric acid can be used to manufacture electronic products such as capacitors and electronic components. It is also an important component of high-purity analytical reagents. Boric acd is used as a dopant in the semiconductor manufacturing process to improve the conductivity of materials. Boric acid is used as a flux in the electronic soldering process, which can help reduce the soldering temperature, promote the connection between metals, and improve the quality and efficiency of soldering. Boric acid is an important raw material for manufacturing capacitors, which can improve capacitor efficiency. Boric acd is still a component and additive of the electrolyte during metal electroplating.
Chemical industry: Boric acid liquid is used as a catalyst and flame retardant in the chemical industry. Boric acid is used to produce various borate salts, such as sodium borohydride, ammonium borohydride, cadmium borotungstate, potassium borohydride, etc. Boric acid can also be used as a chemical reaction catalyst. For example, in the production process of nylon intermediates, boric acd catalyzes the oxidation of hydrocarbons and generates esters, increasing the yield of ethanol and preventing further oxidation of hydroxyl groups to produce ketones or hydroxy acds.
Agricultural applications
Boric acid is an important micronutrient in agriculture and horticulture, and plants require boric acid to maintain healthy growth. It can be used for fertilization of crops, helping to improve crop yield and quality. Boric acd can promote the development of plant roots, improve crop yield and quality. Using boron fertilizer on cereal crops such as wheat and corn can significantly increase yield. Boric acd can also be used to control fungi and pests in certain crops. Boric acd, as a nutrient element, is used to increase crop yield and quality. Boric acd, as a plant growth promoter, helps increase crop yield, and is usually applied through foliar spraying or soil application.
Medical applications
Boric acid has disinfection and anti-corrosion effects, and can be used for disinfecting the surface of the skin, preventing and treating mild skin infections, such as small wounds, abrasions, etc.
Disinfection function: Boric acid can kill some bacteria and viruses, and is commonly used for cleaning and disinfecting the surface of the skin.
Anti corrosion effect: It can prevent items from spoiling and deteriorating, and is added to some drugs and cosmetics. Boric acid is used as a stabilizer or preservative in certain drugs.
Convergent effect: It can reduce skin exudation and alleviate skin swelling.
Inhibition of microbial growth: has a certain inhibitory effect on bacteria and fungi, and assists in the treatment of related infections.
Relieve skin inflammation: Boric acid is commonly used to treat skin exudative reactions and mild infections, with antibacterial and bactericidal effects, which can prevent disease infections and treat inflammatory skin diseases. It has a certain soothing and improving effect on skin inflammations such as eczema, acute dermatitis, and prickly heat, and can alleviate skin inflammation and itching. Boric acid can also be used through cold and wet compress methods, which have anti-inflammatory, anti-inflammatory, and wound cleaning effects. It is commonly used to treat flushing, swelling, or ulcerated surfaces accompanied by secondary infections.
Eye treatment: Boric acid can be formulated into a suitable solution for rinsing the eyes and treating mild inflammation of the eyes. For example, the use of boric acid in certain eye drops and eye care products can alleviate eye fatigue and dryness.
Oral mucosal treatment: In dentistry, boric acid can be used for disinfection of oral mucosa and treatment of inflammation.
Promote iron absorption: Boric acid can promote the absorption of iron in the human body, so it is commonly used to treat iron deficiency anemia.
Anticoagulant: Boric acid is also used as an anticoagulant to help prevent blood clotting.
Other applications
Borium-10 isotope: In nuclear power plants, boric acid (especially boron-10 isotope) can be used to control the rate of uranium nuclear fission, ensuring the safety of nuclear power plants and the normal operation of control systems.
Lubricant additive: Boric acid is used as a lubricant additive to improve the anti-wear and thermal stability of oil products.
Negative electrode oxygen resistant impregnating agent: When boric acid is used as a negative electrode oxygen resistant impregnating agent, it can improve the dry charge performance of the battery.
There are two stable isotopes of natural Boric acid liquid, B-10 and B-11, with abundances of 19.78% and 80.22% respectively. B-10 has the unique characteristic of high neutron absorption. The absorption cross section of B-10 for thermal neutrons is 3837bar (1b=10, PA), the absorption cross section of natural abundance boron for thermal neutrons is close to 750bar, while that of B-11 is only 0.005bar. Therefore, the absorption cross section of B-10 for thermal neutrons is more than 5 times that of natural abundance boron, more than 20 times that of graphite, and more than 500 times that of traditional protective material concrete. That is to say, boron-10 isotope is an efficient thermal neutron absorber. Therefore, it is indispensable in the safety and control system of nuclear power plant. Special grade (SQ) boric acid is used in the nuclear industry and has high boron-10 ratio. It is precisely because of this characteristic of B-10 isotope that B-10 isotope related products are widely used in military protection, nuclear weapons, nuclear industry and other military fields. Boric acid also has the function of vitrification at high temperature and can fix the diffusion of radioactive elements everywhere. In addition, boron-10 isotope can also be used as a neutron counter, a protective shield in nuclear reactors, an alignment rod, and a treatment for cancer.
FAQ
What is boric acid used to treat?
It is used as an anti-fungal ointment or powder and removes any foul odor of the feet by applying it inside stockings. It is also used for treating vaginal infections. Boric acid plays an effective role in pesticides and is effective against pests like rats, houseflies, cockroaches, etc.
Is boric acid good for vagaina?
Intravaginal boric acid has been used for over a hundred years to treat vaginal infections, such as bacterial vaginosis. Boric acid is inexpensive, accessible, and has shown to be an effective treatment for other infections, such as vaginal candidiasis.
Is boric acid safe for humans?
Boric acid is low in toxicity if eaten or if it contacts skin. However, in the form of borax, it can be corrosive to the eye. Borax can also be irritating to the skin. People who have eaten boric acid have had nausea, vomiting, stomach aches, and diarrhea.
How to insert boric acid in the virgina?
How to insert boric acid suppositories without an applicator? Hold the suppository between your fingers with the tapered ends towards you. Gently insert the suppository into your vagina using your index finger.
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