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Phosphonic Acid is an inorganic phosphorus-containing compound widely used in water treatment, agriculture, and industrial applications due to its excellent chelating and corrosion-inhibiting properties.
Phosphonic Acid is valued for its ability to sequester metal ions, prevent scale formation, and act as an intermediate in chemical synthesis.
Phosphonic Acid is also used in pharmaceuticals, detergents, and specialty coatings for its stabilizing effects.
CAS Number: 13598-36-2
EC Number: 237-066-7
Molecular Formula: H3PO3
Molecular Weight: 81.99 g/mol
Synonyms: Phosphonic Acid, Phosphorous Acid, Orthophosphorous Acid, Dihydroxyphosphine Oxide, Phosphonic Acid for Water Treatment, Phosphonic Acid for Agriculture, Phosphonic Acid for Corrosion Inhibition, Phosphonic Acid Chelating Agent, Phosphonic Acid Scale Inhibitor, Phosphonic Acid Industrial Applications, Phosphonic Acid for Chemical Synthesis
APPLICATIONS
Phosphonic Acid is widely used in water treatment as a scale inhibitor in cooling towers and boilers.
Phosphonic Acid is included in reverse osmosis and desalination systems to prevent mineral deposits.
Phosphonic Acid is found in wastewater treatment plants to control heavy metal precipitation.
Phosphonic Acid is employed in agriculture as a plant nutrient and disease resistance enhancer.
Phosphonic Acid is used in fertilizers to improve phosphorus availability in soil.
Phosphonic Acid is applied in fungicides and plant protection products.
Phosphonic Acid is incorporated into industrial cleaning agents for its metal-chelating properties.
Phosphonic Acid is used in detergents and soaps to prevent hard water scaling.
Phosphonic Acid is found in automotive and aerospace cleaning solutions.
Phosphonic Acid is utilized in corrosion inhibitors for pipelines, water systems, and metalworking fluids.
Phosphonic Acid is used in oil and gas production to protect equipment from scale buildup.
Phosphonic Acid is applied in industrial coatings to enhance durability.
Phosphonic Acid is used in pharmaceutical applications as a stabilizer in drug formulations.
Phosphonic Acid is found in dental care products, including toothpaste and mouthwash.
Phosphonic Acid is incorporated into biomedical research for phosphorus-based compounds.
Phosphonic Acid is employed in polymer processing as a flame retardant additive.
Phosphonic Acid is used in specialty plastics to enhance heat resistance.
Phosphonic Acid is applied in composite materials for improved performance.
Phosphonic Acid is utilized in chemical synthesis as a precursor to organophosphorus compounds.
Phosphonic Acid is used in the production of specialty phosphonates and phosphites.
Phosphonic Acid is incorporated into catalysts and reaction intermediates.
Phosphonic acid is used in the water treatment industry, where it acts as a scale inhibitor and dispersant, helping to prevent the buildup of scale in cooling towers, boilers, and pipelines.
Phosphonic acid is employed in the formulation of detergents and cleaning agents, where it helps to break down grease and dirt while also preventing mineral scale formation.
Phosphonic acid is used as a stabilizer in the production of bleach, where it helps to maintain the effectiveness of chlorine-based bleach products by preventing degradation over time.
Phosphonic acid is applied in agriculture, where it is used as a plant growth regulator and is also found in certain herbicides to control weed growth and improve crop yields.
Phosphonic acid is used in the production of metal surface treatments, where it helps to improve corrosion resistance by creating a protective layer on metal surfaces.
Phosphonic acid is employed in the formulation of rust inhibitors, where it prevents the formation of rust on metal surfaces by chelating with metal ions and blocking corrosion.
Phosphonic acid is utilized in the manufacture of flame retardants, where it helps to improve the fire resistance of materials, including textiles, plastics, and coatings.
Phosphonic acid is used in the production of chelating agents, which are employed in various industrial processes to remove heavy metals and other contaminants from liquids and surfaces.
Phosphonic acid is applied in the formulation of detergents for industrial laundry applications, where it helps to improve stain removal and prevent fabric degradation.
Phosphonic acid is used in the production of concrete additives, where it acts as a dispersing agent to improve the flow and workability of concrete while reducing water requirements.
Phosphonic acid is employed in the oil and gas industry to prevent scale and corrosion in pipelines, pumps, and other equipment by acting as a corrosion inhibitor.
Phosphonic acid is used in the formulation of adhesives and sealants, where it contributes to the bonding strength and enhances the durability of the final product.
Phosphonic acid is used as a catalyst in chemical reactions, particularly in the production of certain organic compounds, enhancing reaction efficiency and selectivity.
Phosphonic acid is applied in the manufacture of anti-fungal and anti-bacterial agents, where it helps control microbial growth in industrial settings, particularly in cooling systems and water treatment.
Phosphonic acid is used in the formulation of personal care products, including hair care products, where it helps maintain the stability and performance of the product by preventing mineral buildup.
Phosphonic acid is employed in the manufacture of high-performance coatings for automotive and industrial applications, where it helps enhance adhesion and resistance to wear and corrosion.
Phosphonic acid is used in the production of high-purity chemicals, where it serves as a reagent or intermediate in the synthesis of various specialized compounds.
Phosphonic acid is applied in the textile industry to improve dye penetration and retention, particularly in synthetic fabrics, by acting as a dispersing agent.
Phosphonic acid is used in the formulation of food preservatives, where it helps prevent spoilage and extends the shelf life of certain packaged food products.
Phosphonic acid is employed in the electronics industry to help prevent the formation of scale and corrosion in cooling systems and to maintain equipment performance.
Phosphonic acid is used in the formulation of anti-scaling agents for geothermal energy production, where it prevents mineral scaling in wells and heat exchangers.
Phosphonic acid is employed in the formulation of industrial lubricants, where it helps to reduce friction, enhance stability, and prevent wear and tear on moving parts.
Phosphonic acid is used in the preparation of specialized catalysts for the petrochemical industry, where it improves the efficiency of various refining processes.
Phosphonic acid is applied in water-based industrial coatings, where it helps to enhance film formation and improve water resistance.
Phosphonic acid is used in the manufacture of electroplating solutions, where it helps to enhance the quality and adhesion of metallic coatings on substrates.
DESCRIPTION
Phosphonic Acid is a white crystalline solid or colorless liquid depending on its purity and hydration state.
This phosphorus-based acid is highly soluble in water and exhibits strong chelating properties.
Phosphonic Acid is widely used in industrial, agricultural, and scientific applications.
Phosphonic Acid functions as a reducing agent, making it useful in chemical synthesis.
This compound exhibits excellent thermal stability and controlled reactivity.
Phosphonic Acid plays a key role in controlling metal ion interactions in various processes.
Phosphonic Acid is commonly utilized in environmental and sustainable formulations due to its effectiveness in trace amounts.
This compound helps prevent scale buildup, extend equipment lifespan, and improve efficiency in water treatment systems.
Phosphonic Acid is essential in agricultural and industrial formulations for optimized performance.
Phosphonic acid is an organophosphorus compound with the general formula R–PO₃H₂, where R is typically an alkyl or aryl group, and the structure consists of a phosphoric acid group (PO₃H₂) attached to a carbon backbone.
Phosphonic acid is a strong acid and is highly reactive, making it useful in a wide range of applications, particularly in chelation, water treatment, and corrosion control.
Phosphonic acid is a colorless or pale yellow liquid or crystalline solid, depending on the specific derivative, and is soluble in water and many organic solvents.
Phosphonic acid is used in various industrial applications, such as water treatment, where it acts as an effective scale inhibitor by binding with metal ions to prevent scale formation in pipes and machinery.
Phosphonic acid is commonly employed in the manufacture of metal coatings, where it helps create protective layers that enhance the corrosion resistance of metal surfaces.
Phosphonic acid is an important reagent in the synthesis of other phosphorus-containing compounds, which are used in a variety of industries, including agriculture, pharmaceuticals, and environmental management.
Phosphonic acid derivatives are often used as stabilizers in bleach and cleaning agents, where they help prevent the degradation of active ingredients and maintain product effectiveness.
Phosphonic acid is known for its ability to act as a dispersing agent in industrial applications, such as in concrete additives and detergents, helping to reduce water usage and improve the flow of materials.
Phosphonic acid is employed in the oil and gas industry as a corrosion inhibitor, particularly in cooling systems and pipelines, where it helps to prevent damage caused by mineral buildup and corrosion.
Phosphonic acid is biodegradable and can be safely used in a variety of applications, including food processing and pharmaceuticals, where it acts as a preservative or stabilizing agent.
PROPERTIES
Chemical Formula: H3PO3
Molecular Weight: 81.99 g/mol
Common Name: Phosphonic Acid
Appearance: White crystalline solid or colorless liquid
Odor: Odorless
Density: 1.65 g/cm³
Melting Point: 73°C
Boiling Point: Decomposes before boiling
Solubility: Highly soluble in water; soluble in alcohols
pH: Strongly acidic (pKa ~ 2.0)
Reactivity: Reacts with strong bases and oxidizing agents
Chemical Stability: Stable under normal storage conditions
Storage Temperature: Store in a dry, well-ventilated area
FIRST AID
Inhalation:
If Phosphonic Acid vapors or dust are inhaled, move the affected person to fresh air immediately.
If breathing difficulties persist, seek medical attention.
If the person is not breathing, administer artificial respiration.
Keep the affected person warm and at rest.
Skin Contact:
Wash the affected area thoroughly with soap and water.
If skin irritation or rash develops, seek medical attention.
Remove contaminated clothing and wash before reuse.
Eye Contact:
Flush eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids.
Seek immediate medical attention if irritation or redness persists.
Remove contact lenses if present and easy to do; continue rinsing.
Ingestion:
If Phosphonic Acid is ingested in large amounts, rinse the mouth thoroughly with water.
Seek medical attention if discomfort or symptoms persist.
If the person is conscious, give small sips of water to drink.
Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Personal Protection:
Wear appropriate personal protective equipment (PPE), such as gloves, safety goggles, and protective clothing, when handling Phosphonic Acid.
Avoid inhaling vapors, dust, or mist during processing.
Ventilation:
Ensure proper ventilation to minimize exposure to airborne particles.
Use local exhaust systems if necessary.
Avoidance:
Avoid direct contact with eyes, skin, and clothing.
Do not eat, drink, or smoke while handling.
Wash hands thoroughly after handling.
Spill and Leak Procedures:
Contain spills to prevent further release.
Use inert absorbent materials (e.g., sand, vermiculite) to collect spilled material.
Dispose of waste according to local regulations.
Storage:
Store in a cool, dry, well-ventilated area away from moisture and strong oxidizers.
Keep containers tightly closed and properly labeled.
Protect from direct sunlight and air exposure to maintain product integrity.
Handling Cautions:
Avoid prolonged exposure to moisture to prevent hydrolysis.
Ensure containers are sealed properly to prevent contamination.
