Disodium Hydrogen Phosphate Heptahydrate is an inorganic phosphate compound widely used as a buffering agent, emulsifier, sequestrant, and water treatment chemical.
Disodium Hydrogen Phosphate Heptahydrate is valued for its role in pH regulation, food preservation, and industrial processing.
Disodium Hydrogen Phosphate Heptahydrate is also commonly used in pharmaceuticals, cosmetics, detergents, and agricultural applications.
CAS Number: 7782-85-6
EC Number: 231-448-7
Molecular Formula: Na₂HPO₄·7H₂O
Molecular Weight: 268.07 g/mol
Synonyms: Disodium Hydrogen Phosphate Heptahydrate, Disodium Phosphate Heptahydrate, Sodium Hydrogen Phosphate Heptahydrate, DSP Heptahydrate, Disodium Orthophosphate Heptahydrate, Sodium Phosphate Dibasic Heptahydrate, Na₂HPO₄·7H₂O, Dibasic Sodium Phosphate Heptahydrate, Disodium Hydrogenorthophosphate Heptahydrate, Disodium Hydrogen Phosphate for Industrial Use, Disodium Hydrogen Phosphate for Food Additives
APPLICATIONS
Disodium Hydrogen Phosphate Heptahydrate is widely used as a pH buffer in food processing and beverage formulations.
Disodium Hydrogen Phosphate Heptahydrate is included in dairy products such as cheese and milk-based drinks to regulate acidity.
Disodium Hydrogen Phosphate Heptahydrate is found in bakery products to enhance dough conditioning and fermentation.
Disodium Hydrogen Phosphate Heptahydrate is employed in water treatment to control pH and prevent scaling.
Disodium Hydrogen Phosphate Heptahydrate is used in industrial wastewater treatment for phosphate regulation.
Disodium Hydrogen Phosphate Heptahydrate is applied in boiler water treatment to minimize corrosion.
Disodium Hydrogen Phosphate Heptahydrate is incorporated into pharmaceutical formulations as a buffering agent.
Disodium Hydrogen Phosphate Heptahydrate is used in intravenous (IV) solutions to maintain electrolyte balance.
Disodium Hydrogen Phosphate Heptahydrate is found in oral medications and drug formulations for controlled pH adjustment.
Disodium Hydrogen Phosphate Heptahydrate is utilized in cosmetic and personal care products as an emulsifier.
Disodium Hydrogen Phosphate Heptahydrate is used in shampoos, creams, and lotions for texture stabilization.
Disodium Hydrogen Phosphate Heptahydrate is applied in toothpaste formulations to enhance fluoride stability.
Disodium Hydrogen Phosphate Heptahydrate is employed in detergent manufacturing as a water-softening agent.
Disodium Hydrogen Phosphate Heptahydrate is used in industrial cleaning solutions to improve dispersing properties.
Disodium Hydrogen Phosphate Heptahydrate is found in household laundry detergents for improved soil suspension.
Disodium Hydrogen Phosphate Heptahydrate is incorporated into agricultural formulations as a fertilizer additive.
Disodium Hydrogen Phosphate Heptahydrate is used in livestock feed supplements to enhance phosphorus intake.
Disodium Hydrogen Phosphate Heptahydrate is applied in aquaculture feed to support fish nutrition.
Disodium Hydrogen Phosphate Heptahydrate is utilized in laboratory research as a reagent in chemical reactions.
Disodium Hydrogen Phosphate Heptahydrate is used in microbiology culture media for buffering purposes.
Disodium Hydrogen Phosphate Heptahydrate is found in biochemical research applications for enzyme stabilization.
Disodium Hydrogen Phosphate Heptahydrate is employed in ceramics and glass manufacturing for fluxing properties.
Disodium Hydrogen Phosphate Heptahydrate is used in metal finishing to enhance surface treatment processes.
Disodium Hydrogen Phosphate Heptahydrate is applied in textile processing for dye stabilization.
Disodium Hydrogen Phosphate Heptahydrate is used in the water treatment industry as a buffering agent, where it helps to maintain the pH of water and control alkalinity in swimming pools, cooling systems, and other water-based processes.
Disodium Hydrogen Phosphate Heptahydrate is employed in the food industry as a food additive and emulsifier, particularly in processed cheeses, where it helps to improve texture and stability while preventing separation.
Disodium Hydrogen Phosphate Heptahydrate is used in the pharmaceutical industry as an excipient in the formulation of injectable medications, where it helps to regulate pH and maintain the stability of the active ingredients.
Disodium Hydrogen Phosphate Heptahydrate is used in laboratory applications as a buffer in biochemical assays and experiments, particularly in the preparation of phosphate-buffered saline (PBS) solutions, which are widely used in cell culture and molecular biology.
Disodium Hydrogen Phosphate Heptahydrate is employed in the production of detergents, where it acts as a water softener, helping to improve the cleaning efficiency of soaps and laundry detergents by reducing the hardness of water.
Disodium Hydrogen Phosphate Heptahydrate is used in the manufacture of fertilizers, where it provides a source of phosphorus, an essential nutrient for plant growth, improving soil quality and promoting plant health.
Disodium Hydrogen Phosphate Heptahydrate is used in the manufacturing of metal cleaning agents, where it helps to remove scales, rust, and other impurities from metal surfaces, improving their performance and appearance.
Disodium Hydrogen Phosphate Heptahydrate is employed in the food processing industry for the preparation of processed meats, where it helps to improve texture, prevent oxidation, and enhance the color of the meat.
Disodium Hydrogen Phosphate Heptahydrate is used in the production of ceramic materials, where it helps in the preparation of certain glaze compositions and as an additive to improve the texture and finish of ceramics.
Disodium Hydrogen Phosphate Heptahydrate is applied in the manufacture of flame retardants, where it helps to improve the fire resistance of materials by acting as a fire retardant agent.
Disodium Hydrogen Phosphate Heptahydrate is used in the formulation of cosmetics, particularly in the preparation of skin care products, where it helps to balance the pH of the product and enhance its performance.
Disodium Hydrogen Phosphate Heptahydrate is employed in the production of photographic chemicals, where it helps in the preparation of solutions for film development, providing necessary buffering and pH regulation.
Disodium Hydrogen Phosphate Heptahydrate is used in the manufacture of paper products, where it serves as a neutralizing agent to balance the acidity of paper pulp and improve the quality of the finished product.
Disodium Hydrogen Phosphate Heptahydrate is used in the formulation of cleaning agents for industrial use, where it helps in the removal of stains, oils, and grease by breaking down minerals and organic compounds.
Disodium Hydrogen Phosphate Heptahydrate is applied in the production of dyes and pigments, where it helps to stabilize the formulations and improve the dispersibility of pigments in water-based systems.
Disodium Hydrogen Phosphate Heptahydrate is employed in the preparation of dental products, including toothpaste and mouthwashes, where it helps to balance the pH and improve the overall performance of the product.
Disodium Hydrogen Phosphate Heptahydrate is used in the manufacturing of industrial-grade adhesives, where it helps to improve the bonding strength and stability of the adhesive formulations.
Disodium Hydrogen Phosphate Heptahydrate is used in the preparation of liquid fertilizers, where it serves as a source of phosphorus, improving the nutrient content and efficiency of the fertilizer.
Disodium Hydrogen Phosphate Heptahydrate is employed in the formulation of animal feed, where it acts as a supplement to provide phosphorus, supporting bone health and overall growth in livestock.
Disodium Hydrogen Phosphate Heptahydrate is used in the production of water-based paints, where it acts as a stabilizing agent, improving the consistency, adhesion, and durability of the paint.
Disodium Hydrogen Phosphate Heptahydrate is applied in the mining industry for flotation processes, where it helps to improve mineral extraction by adjusting the pH and improving the dispersion of mineral particles.
Disodium Hydrogen Phosphate Heptahydrate is used in the preparation of phosphate-based buffers in laboratories, where it is used to maintain a stable pH for biological and chemical experiments.
Disodium Hydrogen Phosphate Heptahydrate is used in the production of chemical reagents, where it serves as a pH regulator in various industrial processes.
Disodium Hydrogen Phosphate Heptahydrate is employed in the food and beverage industry, particularly in the production of carbonated drinks, where it helps to stabilize the beverage and enhance the carbonation process.
Disodium Hydrogen Phosphate Heptahydrate is used in the preparation of high-performance batteries, where it serves as a stabilizing agent in electrolyte solutions to enhance battery performance and longevity.
DESCRIPTION
Disodium Hydrogen Phosphate Heptahydrate is a white crystalline powder or granules with high solubility in water.
This compound is known for its hygroscopic nature, meaning it readily absorbs moisture from the air.
Disodium Hydrogen Phosphate Heptahydrate is widely used as a buffering agent and sequestrant in various industries.
Disodium Hydrogen Phosphate Heptahydrate functions as a stabilizer in food, pharmaceutical, and cosmetic formulations.
This compound exhibits excellent pH regulation properties, making it suitable for controlled acidity applications.
Disodium Hydrogen Phosphate Heptahydrate is recognized for its high purity and non-toxic nature in regulated industries.
Disodium Hydrogen Phosphate Heptahydrate is commonly utilized in water-based formulations to enhance chemical compatibility.
This compound helps prevent precipitation and crystallization in liquid solutions.
Disodium Hydrogen Phosphate Heptahydrate is essential in industrial, food-grade, and pharmaceutical-grade formulations requiring consistent performance.
Disodium Hydrogen Phosphate Heptahydrate (Na₂HPO₄·7H₂O) is a chemical compound that consists of sodium, hydrogen phosphate, and seven molecules of water, forming a crystalline solid.
Disodium Hydrogen Phosphate Heptahydrate is a white, odorless crystalline powder or granular substance that is highly soluble in water, making it ideal for use in a wide range of industrial and consumer applications.
Disodium Hydrogen Phosphate Heptahydrate is primarily used as a buffering agent, helping to control pH levels in a variety of formulations, including food products, pharmaceuticals, and industrial processes.
Disodium Hydrogen Phosphate Heptahydrate plays an essential role in water treatment, where it helps to adjust the pH and prevent scaling, making it ideal for use in water purification systems.
Disodium Hydrogen Phosphate Heptahydrate is commonly used as a source of phosphorus in fertilizers, where it provides essential nutrients for plant growth and enhances the quality of the soil.
Disodium Hydrogen Phosphate Heptahydrate is also used in the production of detergents, where it acts as a softening agent to improve the effectiveness of cleaning products by reducing the hardness of water.
Disodium Hydrogen Phosphate Heptahydrate is a stable compound with a wide range of applications in industrial and laboratory processes, where it serves as a pH regulator and stabilizer.
Disodium Hydrogen Phosphate Heptahydrate is non-toxic and considered safe for use in food and cosmetic formulations, provided that it is used within the recommended concentrations and in accordance with safety guidelines.
Disodium Hydrogen Phosphate Heptahydrate is highly soluble in water and forms a buffered solution that is useful in a variety of chemical reactions that require a stable pH environment.
Disodium Hydrogen Phosphate Heptahydrate is a versatile compound with multiple applications in sectors ranging from food production and water treatment to pharmaceuticals and agriculture, helping to improve the performance and stability of the products it is used in.
PROPERTIES
Chemical Formula: Na₂HPO₄·7H₂O
Molecular Weight: 268.07 g/mol
Common Name: Disodium Hydrogen Phosphate Heptahydrate
Appearance: White crystalline powder or granules
Odor: Odorless
Density: Approx. 1.52 g/cm³
Melting Point: Loses water at 48°C; decomposes at higher temperatures
Boiling Point: Not applicable
Solubility: Highly soluble in water; insoluble in alcohol
pH: 8.5–9.5 (in aqueous solution)
Reactivity: Reacts with strong acids and bases
Chemical Stability: Stable under normal storage conditions
Storage Temperature: Store in a dry, well-ventilated area
FIRST AID
Inhalation:
If Disodium Hydrogen Phosphate Heptahydrate dust is 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 Disodium Hydrogen Phosphate Heptahydrate 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 Disodium Hydrogen Phosphate Heptahydrate.
Avoid inhaling dust or fine particles 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 strong acids, bases, and incompatible materials.
Keep containers tightly closed and properly labeled.
Protect from direct sunlight and air exposure to maintain product integrity.
Handling Cautions:
Avoid exposure to high humidity to prevent clumping or degradation.
Ensure containers are sealed properly to prevent contamination.