Disodium phosphate dihydrate, often represented as Na2HPO4 • 2H2O, is a chemical compound.
Disodium phosphate dihydrate is a hydrated form of disodium phosphate, meaning it contains two molecules of water (H2O) in its crystalline structure.
Disodium phosphate dihydrate is commonly used in various industrial applications, including as a food additive, a buffering agent, and a component in cleaning and detergents.
Its chemical structure consists of two sodium (Na) ions, one hydrogen phosphate (HPO4^2-) ion, and two water molecules (H2O).
CAS Number: 10028-24-7
EC Number: 231-448-7
APPLICATIONS
Disodium phosphate dihydrate is commonly used as a food additive and pH regulator in the food industry, where it helps maintain the stability and texture of processed foods.
Disodium phosphate dihydrate serves as an emulsifying agent in food products, improving the mixing of water and fats.
In the dairy industry, it is used in the production of processed cheeses, preventing them from becoming too oily.
Disodium phosphate dihydrate is added to canned soups and broths to control pH and enhance their flavor.
Disodium phosphate dihydrate is used as a leavening agent in baked goods, such as bread and cakes, to help them rise during baking.
Disodium phosphate dihydrate can be found in breakfast cereals to improve texture and crispness.
In the beverage industry, it is used as a stabilizer and buffering agent in powdered drink mixes.
The pharmaceutical industry uses it as a disintegrant in tablet formulations, aiding in the rapid breakdown of tablets upon ingestion.
In the water treatment sector, it acts as a water softener, reducing water hardness by binding to calcium and magnesium ions.
Dental products like toothpaste incorporate it to maintain the pH balance and improve product stability.
In the cleaning industry, it enhances the cleaning efficiency of detergents and cleaning agents.
Disodium phosphate dihydrate is employed in some fire-extinguishing agents to enhance their firefighting properties.
Disodium phosphate dihydrate plays a crucial role in the formulation of synthetic detergents and soaps, improving their foaming properties.
Disodium phosphate dihydrate is used in construction materials like cement, where it helps control the setting time.
Disodium phosphate dihydrate can be found in certain fireproofing materials, enhancing fire resistance in building materials.
In the cosmetics and personal care industry, it is used in hair coloring products to maintain product stability and pH balance.
Disodium phosphate dihydrate is added to oral rehydration solutions, helping restore electrolyte balance in cases of dehydration.
Disodium phosphate dihydrate contributes to the creation of adhesive products, improving bonding properties and consistency.
In the agriculture sector, it is employed to adjust the pH of irrigation water and optimize soil pH for crop growth.
The automotive industry uses it in some specialty welding fluxes to protect welds from contamination and ensure high-quality joints.
Certain laboratory and research processes rely on it as a buffering agent and pH regulator.
Disodium phosphate dihydrate is used in the preparation of ceramics, glazes, and clay bodies to enhance plasticity and green strength.
Disodium phosphate dihydrate is found in some drilling fluids used in the oil and gas industry, aiding in viscosity control during drilling operations.
Disodium phosphate dihydrate is a common component in non-alcoholic beverages, enhancing product stability and flavor.
In the textile industry, Disodium phosphate dihydrate is used as a sizing agent to improve the quality and durability of fabrics, particularly in weaving and textile finishing.
In the paper and pulp industry, Disodium phosphate dihydrate is used as a pulping agent to extract cellulose fibers from wood, improving the papermaking process.
Disodium phosphate dihydrate finds application in the textile industry as a flame retardant and finishing agent for fabrics, enhancing their resistance to fire.
In the brewing industry, it can be used to adjust the pH of brewing water, leading to improved beer quality.
Disodium phosphate dihydrate is employed in the manufacture of ceramics, where it enhances glazes and slip casting formulations.
Disodium phosphate dihydrate is used in the production of air fresheners and deodorizers, helping to neutralize odors effectively.
Disodium phosphate dihydrate is added to shampoos and hair conditioners to adjust their pH and improve hair texture.
In the paint and coating industry, it serves as a pH buffer, contributing to the stability of paint formulations.
Disodium phosphate dihydrate can be found in metal cleaning and plating solutions to enhance cleaning efficiency and prevent corrosion.
Disodium phosphate dihydrate is used as a stabilizing agent in some medical diagnostic reagents to ensure accurate test results.
In the petroleum industry, it plays a role in drilling mud formulations, aiding in viscosity control during drilling operations.
Disodium phosphate dihydrate is used in the manufacturing of detergents and laundry products to improve their cleaning performance.
Disodium phosphate dihydrate is employed in the construction of fire-resistant drywall to enhance its fireproofing properties.
Disodium phosphate dihydrate is used as a pH regulator in the production of soap bars and liquid soaps, ensuring their mildness and effectiveness.
In the leather industry, it is added to tanning solutions to improve the tanning process and leather quality.
Disodium phosphate dihydrate finds application in the creation of specialty adhesives for various industrial and consumer uses.
Disodium phosphate dihydrate can be found in cooling water systems as a corrosion inhibitor, protecting industrial equipment from damage.
Disodium phosphate dihydrate is used in the formulation of industrial floor cleaners to remove stubborn stains and dirt.
Disodium phosphate dihydrate is employed in the construction industry as a setting regulator for cement-based products, controlling setting times.
In the dairy industry, it contributes to the production of evaporated milk by enhancing the milk's stability and texture.
Disodium phosphate dihydrate is utilized in oil well stimulation to control pH and improve the efficiency of stimulation fluids.
Disodium phosphate dihydrate can be found in corrosion protection coatings to enhance their durability and resistance to environmental factors.
Disodium phosphate dihydrate is used in the production of synthetic rubber, improving the dispersion of rubber components.
In the photography industry, it can be found in the formulation of photographic developers.
Disodium phosphate dihydrate is a valuable component in fire extinguishing powders, enhancing their firefighting properties.
Disodium phosphate dihydrate plays a role in the creation of adhesive formulations for various applications, including woodworking and laminates.
In the agricultural industry, Disodium phosphate dihydrate is used as a component in fertilizer formulations to provide essential phosphorus and adjust soil pH.
Disodium phosphate dihydrate is employed in the manufacturing of fire-resistant textiles and fabrics for applications such as firefighter gear and industrial safety clothing.
In the cosmetics industry, it is used as a buffering agent in skincare products to control and maintain the pH levels of creams, lotions, and serums.
Disodium phosphate dihydrate plays a role in the production of household cleaning products, such as bathroom cleaners, where it assists in removing stubborn stains.
Disodium phosphate dihydrate is used in the formulation of specialized lubricants and cutting fluids for metalworking, improving the performance and efficiency of machining processes.
In the production of dry mixes for soups, sauces, and gravies, it acts as a thickening and stabilizing agent, ensuring consistent texture and flavor.
Disodium phosphate dihydrate is utilized in water-based drilling fluids in the oil and gas industry to enhance viscosity and control fluid properties during drilling operations.
Disodium phosphate dihydrate is added to boiler water treatment chemicals to prevent scale buildup and corrosion in industrial boiler systems.
Disodium phosphate dihydrate finds application in the formulation of electrolyte solutions for use in batteries and fuel cells, helping maintain efficient ion transport.
Disodium phosphate dihydrate is used in the production of dental products such as toothpaste and mouthwash to help control pH and maintain product stability.
In the manufacture of fire-resistant paints and coatings, it enhances the fireproofing properties of surfaces, such as building materials and steel structures.
Disodium phosphate dihydrate is employed in the creation of effervescent tablets, which release carbon dioxide upon contact with water, making them useful in various pharmaceutical and dietary supplements.
Disodium phosphate dihydrate is used as a buffering agent in laboratory and biotechnological applications, helping to maintain consistent pH levels in chemical reactions.
In the agricultural sector, it is incorporated into soil amendments to adjust soil pH and provide essential nutrients for plant growth.
Disodium phosphate dihydrate is found in some pharmaceutical preparations, including antacids, where it helps neutralize excess stomach acid.
Disodium phosphate dihydrate is used in the production of electrolyte solutions for intravenous fluids, helping to maintain electrolyte balance in medical treatments.
Disodium phosphate dihydrate serves as a pH regulator in the formulation of cosmetics, improving product stability and consistency.
Disodium phosphate dihydrate can be found in flame-retardant coatings for wood and textiles, enhancing their fire resistance.
In the printing industry, it is used in fountain solutions to maintain pH and improve the quality of print.
Disodium phosphate dihydrate is employed in the manufacturing of synthetic fire logs and fire starters, enhancing their combustion properties.
Disodium phosphate dihydrate plays a role in the creation of specialty concrete and mortar mixtures, improving their workability and setting times.
In the glass and ceramics industry, it is used as a flux to lower the melting point of materials and promote uniform melting in kilns.
Disodium phosphate dihydrate can be found in refrigeration and cooling systems as a corrosion inhibitor to protect against rust and scale buildup.
Disodium phosphate dihydrate is added to sugar-based confectionery products, such as candy and marshmallows, to control texture and prevent crystallization.
Disodium phosphate dihydrate is used in the formulation of dietary supplements to provide essential phosphorus and assist in the absorption of minerals and nutrients in the body.
In the textile industry, Disodium phosphate dihydrate is used in dyeing and printing processes as a leveling agent to ensure even color distribution on fabrics.
Disodium phosphate dihydrate is employed in the formulation of heat treatment baths for metals, assisting in the hardening and tempering of steel.
In the production of ceramics, it serves as a flux to lower the melting point of raw materials and improve their fusion during firing.
Disodium phosphate dihydrate is found in some baby formula products, where it contributes to the regulation of pH and stability.
In the manufacturing of powdered beverages, such as instant coffee and cocoa, it is used as a dispersing and stabilizing agent to prevent clumping.
Disodium phosphate dihydrate plays a role in the construction industry as an ingredient in plaster formulations, enhancing their workability and setting times.
Disodium phosphate dihydrate is used in the creation of photovoltaic (solar) panels, helping to control the pH in the production of solar cell coatings.
Disodium phosphate dihydrate can be found in some baking powder formulations, acting as a leavening agent to help baked goods rise.
In the preservation of canned vegetables, it helps maintain color and texture during the canning process.
Disodium phosphate dihydrate is employed in the production of effervescent denture cleaning tablets, which dissolve in water to clean dentures and remove stains.
Disodium phosphate dihydrate is used in water treatment plants to reduce the levels of heavy metals, such as lead and cadmium, through precipitation and coagulation.
In the formulation of pesticide sprays, it can serve as a pH buffer to optimize the effectiveness of the active ingredients.
Disodium phosphate dihydrate is used in the preparation of pH-adjusted nutrient solutions for hydroponic farming and plant cultivation.
Disodium phosphate dihydrate is found in fire extinguishing foam concentrates, enhancing their fire suppression capabilities.
Disodium phosphate dihydrate can be incorporated into glass and crystal manufacturing to control the composition and melting characteristics of glass batches.
In the production of synthetic rubber, it improves the dispersion of fillers and additives, leading to improved rubber performance.
Disodium phosphate dihydrate is utilized in the cosmetic industry as a thickening agent in creams and lotions.
Disodium phosphate dihydrate can be found in tooth whitening products, where it aids in pH control and product stability.
In the brewing industry, it plays a role in the production of beer, helping to adjust the pH of brewing water and optimize the brewing process.
Disodium phosphate dihydrate is used in the creation of specialized drilling fluids for oil and gas exploration, aiding in borehole stability.
Disodium phosphate dihydrate is employed in the production of photographic chemicals and developers for film and prints.
Disodium phosphate dihydrate is used in the formulation of dietary supplements, helping to provide essential phosphorus and support various health-related claims.
In the production of antifreeze and coolant solutions for automotive and industrial applications, it contributes to pH control and corrosion protection.
Disodium phosphate dihydrate is found in cooling water systems to control scale and corrosion in industrial cooling equipment.
Disodium phosphate dihydrate can be incorporated into specialty cleaning products for the removal of rust and mineral deposits in industrial settings.
DESCRIPTION
Disodium phosphate dihydrate, often represented as Na2HPO4 • 2H2O, is a chemical compound.
Disodium phosphate dihydrate is a hydrated form of disodium phosphate, meaning it contains two molecules of water (H2O) in its crystalline structure.
Disodium phosphate dihydrate is commonly used in various industrial applications, including as a food additive, a buffering agent, and a component in cleaning and detergents.
Its chemical structure consists of two sodium (Na) ions, one hydrogen phosphate (HPO4^2-) ion, and two water molecules (H2O).
Disodium phosphate dihydrate, with its chemical formula Na2HPO4 • 2H2O, is a hydrated salt of sodium.
Disodium phosphate dihydrate is a white, crystalline powder with a molecular weight of 177.99 g/mol.
The dihydrate form indicates that it contains two molecules of water (H2O) within its crystal structure.
Disodium phosphate dihydrate is highly soluble in water, producing a clear and colorless solution.
Disodium phosphate dihydrate has a slightly alkaline pH when dissolved in water, typically around 9.0, making it useful as a buffering agent.
Disodium phosphate dihydrate is odorless and has a slightly salty taste.
Disodium phosphate dihydrate is non-flammable and does not pose significant fire hazards.
Disodium phosphate dihydrate is often used in the food industry as a food additive and a pH regulator.
In the food industry, it serves as an emulsifier, a sequestrant, and a texturizer.
As a food additive, it can be found in processed cheeses, canned soups, and other food products.
Disodium phosphate dihydrate is used as a leavening agent in baked goods to help them rise during baking.
In the pharmaceutical industry, Disodium phosphate dihydrate is used as a disintegrant in tablet formulations.
Disodium phosphate dihydrate is employed in the water treatment industry to control water hardness by binding to calcium and magnesium ions.
Disodium phosphate dihydrate finds applications in the preparation of dental products, such as toothpaste, to adjust pH and improve product stability.
Disodium phosphate dihydrate is a common component in some cleaning agents and detergents to enhance their cleaning efficiency.
In the cosmetic and personal care industry, it helps maintain the stability of various products.
Disodium phosphate dihydrate is used in some fire-extinguishing agents, enhancing their firefighting properties.
Disodium phosphate dihydrate plays a role in the creation of synthetic detergents and soaps.
In the construction industry, it can be found in certain cement formulations.
Disodium phosphate dihydrate is used in the preparation of oral rehydration solutions for medical purposes.
Disodium phosphate dihydrate contributes to the formulation of adhesive products, improving bonding properties and consistency.
In the agricultural sector, it is employed for soil and water management, optimizing pH for crop growth.
Disodium phosphate dihydrate is used in some specialty welding fluxes in the automotive and manufacturing industries.
Disodium phosphate dihydrate is involved in the formulation of certain fireproofing materials.
Disodium phosphate dihydrate is an essential chemical in various laboratory and industrial processes due to its versatility as a buffering agent, pH regulator, and emulsifying agent.
PROPERTIES
Chemical Formula: Na2HPO4 • 2H2O
Molecular Weight: 177.99 g/mol
Appearance: White, crystalline powder
State: Solid
Solubility: Highly soluble in water, forming a clear and colorless solution
pH Level (in aqueous solution): Typically around 9.0, slightly alkaline
Taste: Slightly salty
Odor: Odorless
Density: Varies with conditions, but typically around 1.52 g/cm³
Melting Point: Decomposes without a distinct melting point
Boiling Point: Decomposes without a distinct boiling point
Water Content: Contains two molecules of water (dihydrate) in its crystal structure
Solubility in Other Solvents: Insoluble in organic solvents
Hygroscopicity: Absorbs moisture from the air
Stability: Stable under normal conditions
Flammability: Non-flammable
Flash Point: Not applicable
Autoignition Temperature: Not applicable
Corrosivity: Not corrosive
Vapor Pressure: Negligible
Viscosity: Varies with concentration and temperature
Crystal Structure: Forms monoclinic crystals
Molecular Structure: Consists of two sodium (Na) ions, one hydrogen phosphate (HPO4^2-) ion, and two water molecules (H2O)
pH Buffering Capacity: Effective buffering agent
Compatibility: Compatible with many other chemicals and compounds
FIRST AID
Inhalation:
If inhaled, remove the affected person to fresh air and provide artificial respiration if breathing is difficult.
Seek medical attention if respiratory distress persists.
Skin Contact:
In case of skin contact, immediately remove contaminated clothing.
Wash the affected area with plenty of water and mild soap for at least 15 minutes.
Seek medical attention if irritation, redness, or other adverse skin reactions occur.
Eye Contact:
If the compound comes into contact with the eyes, immediately rinse the eyes with gently flowing lukewarm water, keeping eyelids open to ensure thorough flushing.
Continue flushing for at least 15 minutes, holding the eyelids apart to prevent further contact.
Seek immediate medical attention, and provide information about the chemical involved.
Ingestion:
If ingested, do not induce vomiting unless directed by a medical professional.
Rinse the mouth with water and drink plenty of water to dilute the chemical.
Seek immediate medical attention and provide information about the ingestion, including the quantity and time of ingestion.
HANDLING AND STORAGE
Handling:
Personal Protective Equipment (PPE):
When handling Disodium phosphate dihydrate, wear appropriate personal protective equipment, including safety goggles, gloves, and a lab coat or protective clothing, to minimize contact with the skin and eyes.
Ventilation:
Use adequate ventilation, such as local exhaust, mechanical ventilation, or respiratory protection, when working with this compound to control airborne concentrations and prevent inhalation exposure.
Avoid Contact:
Minimize skin contact and avoid inhaling dust or aerosols.
Wash hands and any exposed skin thoroughly after handling the compound.
Prevent Contamination:
Keep containers tightly sealed when not in use to prevent contamination and protect the product from moisture.
Store in dedicated containers and avoid cross-contamination with incompatible materials.
Avoid Mixing:
Do not mix Disodium phosphate dihydrate with incompatible substances, such as strong acids, strong bases, or reducing agents, as this can lead to hazardous reactions.
Consult the Safety Data Sheet (SDS) for specific incompatibilities.
Spills and Leaks:
In case of spills or leaks, contain and collect the material using appropriate absorbent materials and tools.
Avoid creating dust.
Dispose of waste material in accordance with local, state, and federal regulations.
Storage:
Storage Conditions:
Store Disodium phosphate dihydrate in a cool, dry, well-ventilated area, away from incompatible materials.
Keep containers tightly closed to prevent moisture absorption.
Temperature:
Maintain storage temperatures between 15°C and 30°C (59°F and 86°F).
Avoid exposure to extreme heat, open flames, and direct sunlight.
Moisture Control:
Protect the compound from excessive humidity and moisture, as it can lead to caking and reduced product quality.
Use desiccants or humidity control measures if necessary.
Separation:
Store Disodium phosphate dihydrate away from strong acids, strong bases, and reducing agents to prevent adverse reactions.
Use separate storage areas or dedicated containers for different chemical products.
Labeling:
Ensure that containers are properly labeled with the chemical name, hazard information, and safety precautions. This helps in safe identification and handling.
Accessibility:
Store the compound in an area where it is accessible only to authorized personnel who are trained in its proper handling and storage.
Safety Data Sheets (SDS):
Maintain readily accessible Safety Data Sheets (SDS) for Disodium phosphate dihydrate in case of emergencies and for reference on safe handling and storage procedures.
Compatibility:
Familiarize yourself with the compatibility of Disodium phosphate dihydrate with storage materials, such as containers and seals, to prevent deterioration or contamination.
Regular Inspection:
Periodically inspect storage conditions to ensure that containers remain tightly sealed, and there are no signs of leakage or damage.
Waste Disposal:
Dispose of waste material, including empty containers, in compliance with local, state, and federal regulations governing the disposal of hazardous chemicals.
SYNONYMS
Sodium hydrogen phosphate dihydrate
Disodium hydrogen phosphate dihydrate
DSP dihydrate
Sodium phosphate dibasic dihydrate
Sodium phosphate, dibasic, dihydrate
Sodium hydrogenphosphate dihydrate
Disodium phosphate dihydrate
Disodium hydrogenphosphate dihydrate
Dibasic sodium phosphate dihydrate
Sodium phosphate, secondary, dihydrate
Sodium phosphate, secondary, dibasic, dihydrate
Sodium orthophosphate dihydrate
Disodium orthophosphate dihydrate
Dibasic sodium orthophosphate dihydrate
Disodium hydrogen orthophosphate dihydrate
Sodium phosphate (Na2HPO4) dihydrate
Sodium acid phosphate dihydrate
Secondary sodium phosphate dihydrate
Sodium monohydrogen phosphate dihydrate
Sodium orthophosphate dibasic dihydrate
Sodium phosphate, monobasic, dihydrate
Sodium hydrogen orthophosphate dihydrate
Sodium phosphate, monosodium, dihydrate
Sodium phosphate, monosodium, dibasic, dihydrate
Sodium hydrogen phosphate dibasic dihydrate
Sodium phosphate, bibasic, dihydrate
Sodium hydrogenphosphate dibasic dihydrate
Sodium phosphate, dihydrate, dibasic
Sodium hydrogen phosphate dibasic dihydrate
Sodium orthophosphate dibasic dihydrate
Sodium phosphate, secondary, dibasic, hydrate
Disodium orthophosphate dibasic dihydrate
Dibasic sodium hydrogen phosphate dihydrate
Disodium phosphate dibasic dihydrate
Dibasic sodium orthophosphate dibasic dihydrate
Sodium monohydrogen phosphate dibasic dihydrate
Sodium orthophosphate secondary dibasic dihydrate
Sodium phosphate, dihydrate, secondary, dibasic
Disodium hydrogen orthophosphate dibasic dihydrate
Sodium phosphate, monosodium, dibasic, dihydrate
Sodium dihydrogen phosphate dibasic dihydrate
Sodium phosphate, dibasic, secondary, dihydrate
Disodium phosphate, secondary, dibasic, dihydrate
Sodium monophosphate dibasic dihydrate
Sodium orthophosphate, dihydrate, secondary, dibasic
Dibasic sodium monophosphate dibasic dihydrate
Disodium dihydrogen phosphate dibasic dihydrate
Sodium phosphate, monosodium, secondary, dibasic, dihydrate
Sodium acid phosphate dibasic dihydrate
Disodium phosphate, secondary, secondary, dibasic, dihydrate
Sodium phosphate, bibasic, secondary, dihydrate
Sodium hydrogenphosphate secondary dibasic dihydrate
Sodium phosphate, dihydrate, secondary, secondary, dibasic
Sodium hydrogen phosphate secondary dibasic dihydrate
Sodium orthophosphate secondary dibasic dihydrate
Sodium phosphate, tertiary, dihydrate
Sodium hydrogenphosphate tertiary dihydrate
Sodium phosphate, dihydrate, tertiary
Sodium hydrogen phosphate tertiary dihydrate
Sodium orthophosphate tertiary dihydrate
Sodium phosphate, quaternary, dihydrate
Sodium hydrogenphosphate quaternary dihydrate
Sodium phosphate, dihydrate, quaternary
Sodium hydrogen phosphate quaternary dihydrate
Sodium orthophosphate quaternary dihydrate
Sodium phosphate, pentahydrate
Sodium hydrogenphosphate pentahydrate
Sodium phosphate, pentahydrate, dibasic
Sodium hydrogen phosphate pentahydrate
Sodium orthophosphate pentahydrate
Sodium phosphate, pentahydrate, dibasic, secondary
Sodium hydrogen phosphate pentahydrate, secondary
Sodium phosphate, dibasic, pentahydrate
Sodium hydrogen phosphate dibasic pentahydrate
Sodium orthophosphate dibasic pentahydrate
