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Disodium Phosphate Dihydrate is an inorganic compound commonly used as a buffering agent, sequestrant, and emulsifier in food, pharmaceutical, and industrial applications.
Disodium Phosphate Dihydrate stabilizes pH levels, prevents calcium precipitation, and improves the solubility of various components in solutions.
Disodium Phosphate Dihydrate is widely used in processed foods, beverages, and pharmaceuticals for its buffering and pH-adjusting properties.
CAS Number: 10028-24-7
EC Number: 231-448-7
Molecular Formula: Na2HPO4·2H2O
Molecular Weight: 177.99 g/mol
Synonyms: Disodium Hydrogen Phosphate Dihydrate, Sodium Phosphate Dibasic Dihydrate, Dibasic Sodium Phosphate, DSP Dihydrate, Na2HPO4·2H2O, Disodium Hydrogen Orthophosphate Dihydrate
APPLICATIONS
Disodium Phosphate Dihydrate is widely used as a buffering agent in food products, where it helps to maintain pH stability in sauces, soups, and dairy items, ensuring consistency in flavor and texture.
Disodium Phosphate Dihydrate is applied in processed cheese manufacturing, where it acts as an emulsifier, preventing fat separation and improving texture and meltability.
Disodium Phosphate Dihydrate is used in beverages as a pH adjuster, preventing the precipitation of calcium and magnesium ions, and ensuring clarity and stability.
Disodium Phosphate Dihydrate is found in pharmaceutical formulations, where it serves as a buffering agent, ensuring that medications maintain their stability and effectiveness over time.
Disodium Phosphate Dihydrate is utilized in water treatment, where it prevents the formation of scale by sequestering calcium ions, improving water clarity and quality.
Disodium Phosphate Dihydrate is employed in baking powders, where it provides leavening by reacting with sodium bicarbonate, contributing to the rise and texture of baked goods.
Disodium Phosphate Dihydrate is incorporated into industrial cleaning agents, where it acts as a buffering agent and prevents mineral buildup on surfaces.
Disodium Phosphate Dihydrate is used in textile processing, where it softens water and improves dye adherence to fabrics, ensuring uniform color distribution.
Disodium Phosphate Dihydrate is applied in metal treatment processes, where it acts as a corrosion inhibitor and helps in cleaning and preparing metal surfaces for finishing.
Disodium Phosphate Dihydrate is essential in cosmetic formulations, where it stabilizes pH levels in lotions, creams, and serums, enhancing product stability and shelf life.
Disodium Phosphate Dihydrate is employed in water softening systems, where it removes calcium and magnesium ions, improving water quality for industrial and household use.
Disodium Phosphate Dihydrate is found in toothpaste, where it acts as a buffering agent, stabilizing pH and preventing the growth of harmful oral bacteria.
Disodium Phosphate Dihydrate is used in animal feed, where it acts as a phosphorus supplement, supporting bone and tissue development in livestock.
Disodium Phosphate Dihydrate is applied in fertilizers, where it provides essential nutrients, including phosphorus, to support plant growth and agricultural productivity.
Disodium Phosphate Dihydrate is utilized in the production of fire retardants, where it helps reduce the flammability of materials by forming a protective layer on surfaces.
DESCRIPTION
Disodium Phosphate Dihydrate is an inorganic salt commonly used in food, pharmaceuticals, and industrial applications for its buffering, pH-adjusting, and emulsifying properties.
Disodium Phosphate Dihydrate helps to stabilize the pH of solutions, preventing unwanted changes in acidity or alkalinity in food products, beverages, and cosmetics.
Due to its versatility and safety, Disodium Phosphate Dihydrate is a preferred additive in food production, maintaining texture, flavor, and color in various processed foods.
Disodium Phosphate Dihydrate is often used to prevent precipitation of calcium ions, making it useful in beverages and dairy products where mineral stability is essential.
In pharmaceutical applications, Disodium Phosphate Dihydrate serves as a buffer, ensuring medications retain their intended potency and effectiveness throughout their shelf life.
The compound’s water solubility and low toxicity make Disodium Phosphate Dihydrate an ideal choice for household and industrial cleaning products.
Disodium Phosphate Dihydrate is biodegradable and environmentally friendly, aligning with sustainable practices in food and industrial applications.
Its ability to maintain pH stability and control ionic concentration makes Disodium Phosphate Dihydrate an essential ingredient in various personal care, pharmaceutical, and industrial formulations.
PROPERTIES
Chemical Formula: Na2HPO4·2H2O
Molecular Weight: 177.99 g/mol
Common Name: Disodium Phosphate Dihydrate
Appearance: White crystalline powder
Density: 1.52 g/cm³
Boiling Point: Decomposes
Melting Point: 35°C (loses water)
Solubility: Soluble in water; insoluble in ethanol
Flash Point: N/A
Reactivity: Stable under normal conditions; avoid strong acids
Chemical Stability: Stable under recommended storage conditions
Storage Temperature: Store in a cool, dry place away from direct sunlight and moisture
Vapor Pressure: Low
FIRST AID
Inhalation:
If Disodium Phosphate Dihydrate is inhaled, move the affected person to fresh air immediately.
If breathing difficulties persist, seek immediate 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 with soap and water.
If skin irritation or rash develops, seek medical attention.
Eye Contact:
In case of eye contact, flush the 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 Phosphate Dihydrate is ingested, do not induce vomiting unless directed to do so by medical personnel.
Rinse the mouth thoroughly with water.
Seek immediate medical attention.
If the person is conscious, give small sips of water to drink.
Note to Physicians:
Treat symptomatically.
No specific antidote.
Provide supportive care.
HANDLING AND STORAGE
Handling:
Personal Protection:
Wear appropriate personal protective equipment (PPE) such as gloves and safety goggles when handling large quantities of Disodium Phosphate Dihydrate.
Use in a well-ventilated area to avoid inhalation of dust.
Ventilation:
Ensure adequate ventilation when handling large amounts of Disodium Phosphate Dihydrate to control airborne concentrations below occupational exposure limits.
Avoidance:
Avoid direct contact with eyes and prolonged skin contact.
Do not eat, drink, or smoke while handling Disodium Phosphate Dihydrate.
Wash hands thoroughly after handling.
Spill and Leak Procedures:
Contain spills to prevent further release and minimize exposure.
Absorb with inert material (e.g., sand, vermiculite) and collect for disposal.
Dispose of in accordance with local regulations.
Storage:
Store Disodium Phosphate Dihydrate in a cool, dry, well-ventilated area away from incompatible materials such as strong acids.
Keep containers tightly closed when not in use to prevent contamination.
Store away from heat sources, direct sunlight, and moisture.
Handling Cautions:
Avoid inhalation of dust and direct contact with skin and eyes.
Use explosion-proof equipment in areas where dust may be present.
