BORIC ACID

Boric Acid is a weak inorganic acid widely used in glass manufacturing, ceramics, flame retardants, agriculture, pharmaceuticals, cosmetics, wood preservation, and industrial chemical formulations.
Boric Acid acts as a buffering agent, antiseptic, insecticide, neutron absorber, and crosslinking aid in a wide range of technical and consumer applications.
Boric Acid is valued for its thermal stability, mild acidity, low toxicity at controlled levels, and multifunctional chemical behavior.

CAS Number: 10043-35-3
EC Number: 233-139-2
Molecular Formula: H₃BO₃
Molecular Weight: 61.83 g/mol

Synonyms: Boric Acid, Orthoboric Acid, Boracic Acid, Hydrogen Borate, Boric Acid Powder, Boric Acid Technical Grade, Boric Acid Pharma Grade, Boric Acid, Orthoboric Acid, Boracic Acid, Hydrogen Borate, Boron Trioxide Hydrate, Boric Acid H₃BO₃, H₃BO₃, Boric Acid Crystals, Boric Acid Powder, Boric Acid Granules, Boric Acid Fine Powder, Natural Boric Acid, Refined Boric Acid, High-Purity Boric Acid, Pure Boric Acid, Extra-Pure Boric Acid, Technical Grade Boric Acid, Industrial Grade Boric Acid, Pharmaceutical Grade Boric Acid, Cosmetic Grade Boric Acid, Food Grade Boric Acid (restricted use), Reagent Grade Boric Acid, Analytical Grade Boric Acid, ACS Grade Boric Acid, Boric Acid Chemical Reagent, Boric Acid Inorganic Acid, Weak Inorganic Acid Boric, Boric Acid Buffer Component, Boric Acid pH Buffer, Boric Acid Buffering Agent, Boric Acid Antiseptic, Boric Acid Preservative, Boric Acid Antimicrobial Agent, Boric Acid Antifungal Agent, Boric Acid Insecticide, Boric Acid Pest Control Agent, Boric Acid Flame Retardant, Boric Acid Fire Retardant Additive, Boric Acid Glass Industry Additive, Boric Acid Ceramic Additive, Boric Acid Enamel Additive, Boric Acid Metallurgy Flux, Boric Acid Welding Flux Component, Boric Acid Neutron Absorber, Boric Acid Nuclear Grade, Boric Acid Water Treatment Chemical, Boric Acid Corrosion Inhibitor Component, Boric Acid Detergent Additive, Boric Acid Cleaning Agent Component, Boric Acid Wood Preservative

APPLICATIONS

Boric Acid is used in glass and fiberglass manufacturing.
Boric Acid improves thermal resistance and chemical durability of glass.
Boric Acid reduces thermal expansion in borosilicate glasses.

Boric Acid is applied in ceramics and enamels.
Boric Acid acts as a flux to lower melting temperatures.
Boric Acid enhances glaze smoothness and adhesion.

Boric Acid is used as a flame retardant.
Boric Acid suppresses combustion and smoke formation.
Boric Acid improves fire resistance of wood and textiles.

Boric Acid is used in agriculture.
Boric Acid supplies boron as an essential micronutrient.
Boric Acid corrects boron deficiency in crops.

Boric Acid is employed as an insecticide.
Boric Acid controls ants, cockroaches, and termites.
Boric Acid acts through ingestion and dehydration mechanisms.

Boric Acid is used in pharmaceuticals and healthcare.
Boric Acid functions as a mild antiseptic and antifungal agent.
Boric Acid is applied in eye washes and topical preparations at controlled concentrations.

Boric Acid is incorporated into cosmetic products.
Boric Acid stabilizes formulations and controls pH.
Boric Acid supports preservation and microbial control.

Boric Acid is used in metalworking fluids.
Boric Acid provides corrosion inhibition and lubrication.
Boric Acid improves surface finish during machining.

Boric Acid is applied in nuclear applications.
Boric Acid absorbs neutrons in nuclear reactors.
Boric Acid helps control reactor reactivity.

Boric Acid is used as an antiseptic in pharmaceutical preparations.
Boric Acid provides mild antibacterial and antifungal activity.
Boric Acid supports infection control in topical formulations.

Boric Acid is used in ophthalmic solutions.
Boric Acid acts as a buffering agent in eye drops.
Boric Acid improves comfort and stability in ophthalmic formulations.

Boric Acid is used in cosmetic products.
Boric Acid regulates pH in creams and lotions.
Boric Acid enhances preservative efficacy in cosmetic systems.

Boric Acid is used in glass manufacturing.
Boric Acid improves thermal resistance in borosilicate glass.
Boric Acid enhances chemical durability of glass products.

Boric Acid is used in ceramic production.
Boric Acid acts as a flux to lower melting temperatures.
Boric Acid improves glaze smoothness and finish.

Boric Acid is used in flame retardant formulations.
Boric Acid reduces flammability of wood and textiles.
Boric Acid promotes char formation during combustion.

Boric Acid is used in insect control products.
Boric Acid acts as a stomach poison for insects.
Boric Acid is applied in household pest control formulations.

Boric Acid is used in wood preservation.
Boric Acid protects wood against fungal decay and insects.
Boric Acid enhances longevity of treated timber.

Boric Acid is used in metalworking fluids.
Boric Acid improves lubrication and corrosion inhibition.
Boric Acid stabilizes emulsions in cutting fluids.

Boric Acid is used in fertilizer formulations.
Boric Acid provides an essential micronutrient for plant growth.
Boric Acid improves crop yield and quality.

Boric Acid is used in nuclear power applications.
Boric Acid acts as a neutron absorber in reactor systems.
Boric Acid helps control nuclear fission reactions.

Boric Acid is used in analytical chemistry.
Boric Acid serves as a reagent in laboratory analysis.
Boric Acid supports buffer preparation for chemical testing.

Boric Acid is used in electroplating baths.
Boric Acid stabilizes pH during metal deposition.
Boric Acid improves coating uniformity.

Boric Acid is used in adhesive formulations.
Boric Acid enhances bonding performance in specialty adhesives.
Boric Acid improves thermal stability of adhesive systems.

DESCRIPTION

Boric Acid is a white, crystalline solid with a silky texture.
Boric Acid is odorless and has a slightly bitter taste.
Boric Acid is weakly acidic and behaves as a Lewis acid in aqueous solutions.

Boric Acid dissolves slowly in cold water and more readily in hot water.
Boric Acid forms borate ions depending on pH.
Boric Acid exhibits buffering behavior in mildly acidic systems.

Boric Acid has good thermal stability at moderate temperatures.
Boric Acid dehydrates upon heating to form metaboric acid and boron oxide.
Boric Acid participates in esterification reactions with polyols.

Boric Acid is compatible with many inorganic and organic systems.
Boric Acid is incompatible with strong bases and strong reducing agents.
Boric Acid should be handled carefully to avoid excessive exposure.

Boric Acid is an inorganic weak acid with the chemical formula H₃BO₃.
Boric Acid appears as a white, odorless crystalline powder or granules.
Boric Acid is slightly soluble in cold water and more soluble in hot water.

Boric Acid exhibits mild antiseptic and antifungal properties.
Boric Acid acts as a Lewis acid by accepting hydroxide ions.
Boric Acid provides buffering capacity in aqueous solutions.

Boric Acid has low toxicity when used at controlled concentrations.
Boric Acid shows good thermal stability under normal conditions.
Boric Acid decomposes at high temperatures to form boron oxide.

Boric Acid improves flame retardancy through dehydration mechanisms.
Boric Acid is compatible with many inorganic and organic materials.
Boric Acid is widely used across industrial, pharmaceutical, and agricultural sectors.

Boric Acid should be stored in dry, well-ventilated areas.
Boric Acid must be handled according to safety guidelines due to chronic exposure risks.
Boric Acid is valued for its multifunctional properties in chemistry and industry.

PROPERTIES

Chemical Formula: H₃BO₃
Molecular Weight: 61.83 g/mol
Appearance: White crystalline powder or flakes
Odor: Odorless
Density: ~1.44 g/cm³ at 20°C
Melting Point: ~170°C (decomposes)
Boiling Point: Not applicable; decomposes
Solubility in Water: ~57 g/L at 25°C; increases significantly with temperature
Solubility in Alcohol: Slightly soluble in ethanol
pKa: ~9.24
pH (1% solution): ~3.5–4.0
Thermal Decomposition: Forms metaboric acid at ~170°C and boron oxide at higher temperatures
Hygroscopicity: Low
Vapor Pressure: Negligible
Reactivity: Reacts with bases to form borates
Stability: Stable under dry, cool storage conditions
Storage Temperature: Store below 30°C in dry conditions

FIRST AID

Inhalation:
Move to fresh air.
Seek medical attention if irritation persists.

Skin Contact:
Wash with soap and water.
Remove contaminated clothing.

Eye Contact:
Rinse with water for at least 15 minutes.
Seek medical attention if irritation continues.

Ingestion:
Rinse mouth and drink water.
Seek medical advice if large quantities are ingested.

Note to Physicians:
Treat symptomatically; monitor for gastrointestinal irritation with excessive exposure.

HANDLING AND STORAGE

Handling:
Avoid dust formation.
Wear gloves, goggles, and protective clothing.
Ensure adequate ventilation during handling.

Avoidance:
Avoid contact with strong bases and reducing agents.
Avoid prolonged exposure to moisture.

Spill Procedures:
Sweep up carefully and avoid generating dust.
Dispose of waste according to local regulations.

Storage:
Store in tightly closed containers.
Keep in a cool, dry, well-ventilated place.
Protect from moisture and contamination.