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Disodium Pyrophosphate (SAPP) is a white, water-soluble inorganic compound commonly used as a leavening agent, buffering agent, and sequestrant in food, cosmetics, and industrial applications.
SAPP is widely employed in food processing for its controlled-release leavening properties and ability to maintain product texture and stability.
Disodium Pyrophosphate (SAPP) is also used in water treatment, detergents, and metal treatment applications for its pH-regulating and chelating abilities.
CAS Number: 7758-16-9
EC Number: 231-835-0
Molecular Formula: Na2H2P2O7
Molecular Weight: 221.94 g/mol
Synonyms: Disodium Pyrophosphate, SAPP, Sodium Acid Pyrophosphate, Disodium Dihydrogen Pyrophosphate, Pyrophosphoric Acid Disodium Salt, Disodium Diphosphate, E450(i), SAPP Leavening Agent, SAPP for Food Processing, SAPP for Water Treatment, SAPP for Detergents, SAPP for Metal Treatment, SAPP Industrial Grade, SAPP Food Grade
APPLICATIONS
Disodium Pyrophosphate (SAPP) is widely used in baked goods as a leavening agent to control dough rise and texture.
Disodium Pyrophosphate (SAPP) is included in pancake mixes, biscuits, and muffins for its controlled-release carbon dioxide properties.
Disodium Pyrophosphate (SAPP) is used in frozen dough formulations to regulate gas production during storage and baking.
Disodium Pyrophosphate (SAPP) is employed in processed meats and seafood to improve water retention and prevent discoloration.
Disodium Pyrophosphate (SAPP) is found in canned seafood, such as shrimp and tuna, to maintain texture and inhibit iron-induced darkening.
Disodium Pyrophosphate (SAPP) is included in poultry and beef products to improve tenderness and prevent phosphate-induced toughness.
Disodium Pyrophosphate (SAPP) is used in dairy products, including cheese and creamers, to regulate acidity and enhance texture.
Disodium Pyrophosphate (SAPP) is incorporated into potato products, such as French fries and mashed potatoes, to prevent oxidation and browning.
Disodium Pyrophosphate (SAPP) is applied in instant puddings and desserts to maintain consistency and stability.
Disodium Pyrophosphate (SAPP) is employed in water treatment processes to control pH and reduce metal ion buildup.
Disodium Pyrophosphate (SAPP) is used in detergents and cleaning products as a water softener and scale inhibitor.
Disodium Pyrophosphate (SAPP) is incorporated into metal surface treatments to prevent corrosion and improve plating adhesion.
Disodium Pyrophosphate (SAPP) is used in dental care products, such as toothpaste and mouthwash, to prevent tartar buildup.
Disodium Pyrophosphate (SAPP) is found in pharmaceutical formulations as a buffering and stabilizing agent.
Disodium Pyrophosphate (SAPP) is applied in ceramics and coatings to regulate viscosity and improve material properties.
Disodium Pyrophosphate (SAPP) is widely used in detergents and dishwashing products to soften water, improve cleaning efficiency, and prevent the formation of mineral deposits on surfaces.
Disodium Pyrophosphate (SAPP) is employed in the food industry as a sequestrant and stabilizer, particularly in processed foods such as canned vegetables, seafood, and meat products.
Disodium Pyrophosphate (SAPP) is used in the textile industry to enhance the performance of dyes, ensuring better colorfastness and preventing mineral build-up in fabrics.
Disodium Pyrophosphate (SAPP) is included in water treatment chemicals to help remove calcium and magnesium ions from water, improving water quality and preventing scaling in pipes and equipment.
Disodium Pyrophosphate (SAPP) is used in oilfield applications as a dispersing agent to improve the performance of drilling fluids and enhance the efficiency of oil recovery.
Disodium Pyrophosphate (SAPP) is employed in the formulation of ceramics, where it helps to improve the bonding and stability of materials during the manufacturing process.
Disodium Pyrophosphate (SAPP) is applied in the formulation of heavy-duty cleaners and degreasers, where it helps break down grease and mineral deposits in industrial cleaning processes.
Disodium Pyrophosphate (SAPP) is used in the formulation of water-based paints and coatings to prevent the precipitation of metallic ions and improve the paint's quality and stability.
Disodium Pyrophosphate (SAPP) is used in the production of paper products, where it acts as a dispersant, preventing the buildup of minerals during paper manufacturing.
Disodium Pyrophosphate (SAPP) is incorporated in textile washing formulations to remove stains and mineral residues while improving the color retention of fabrics.
Disodium Pyrophosphate (SAPP) is used in metal treatment processes, particularly in the cleaning and phosphating of metals, to improve adhesion and corrosion resistance.
Disodium Pyrophosphate (SAPP) is employed in the formulation of industrial and commercial cleaning products, such as floor cleaners, to enhance cleaning power and prevent scale build-up.
Disodium Pyrophosphate (SAPP) is applied in the formulation of dental products, such as toothpaste and mouthwashes, where it helps to remove plaque and prevent tartar build-up.
Disodium Pyrophosphate (SAPP) is used in the preparation of detergents for washing machines to prevent the formation of soap scum and scale in the wash.
Disodium Pyrophosphate (SAPP) is used in the formulation of water softeners, where it helps to reduce water hardness and improve the effectiveness of soaps and detergents.
Disodium Pyrophosphate (SAPP) is applied in the preparation of food preservatives, particularly in products like cheese and processed meat, where it helps to control the activity of metal ions and enhance product stability.
Disodium Pyrophosphate (SAPP) is used in the formulation of emulsions in the cosmetic industry, helping to stabilize oil-water mixtures in creams and lotions.
Disodium Pyrophosphate (SAPP) is used in agricultural formulations, such as fertilizers and pesticides, where it improves the dispersion and solubility of active ingredients.
Disodium Pyrophosphate (SAPP) is included in cleaning agents for the automotive industry, where it helps to remove oil, grease, and dirt from vehicle surfaces.
Disodium Pyrophosphate (SAPP) is used in food processing to improve the texture of canned and processed food, such as seafood and vegetables, by preventing mineral build-up and enhancing product consistency.
Disodium Pyrophosphate (SAPP) is employed in the formulation of laundry detergents, where it helps improve cleaning performance by breaking down stains and preventing re-deposition of dirt.
Disodium Pyrophosphate (SAPP) is used in personal care products such as bath salts, where it helps to soften water and improve the effectiveness of the product.
Disodium Pyrophosphate (SAPP) is applied in the preparation of high-performance lubricants, improving the stability and performance of lubricating oils and greases.
Disodium Pyrophosphate (SAPP) is used in cosmetic formulations, particularly in hair care products, to prevent mineral build-up and improve the overall performance of the product.
Disodium Pyrophosphate (SAPP) is incorporated in various cleaning products for industrial and household use, where it improves the cleaning action and prevents the re-deposition of dirt.
DESCRIPTION
Disodium Pyrophosphate (SAPP) is a white, odorless, crystalline powder that dissolves easily in water.
This compound acts as an acid component in baking powder, reacting with baking soda to produce carbon dioxide for leavening.
Disodium Pyrophosphate (SAPP) is an effective sequestrant, binding to metal ions and preventing undesirable reactions in food and industrial applications.
Disodium Pyrophosphate (SAPP) is heat-stable and maintains its functionality across a range of processing temperatures.
This compound enhances the texture and appearance of processed foods by improving moisture retention and controlling pH.
Disodium Pyrophosphate (SAPP) is a widely used food additive recognized as safe (GRAS) under regulated usage limits.
Disodium Pyrophosphate (SAPP) prevents oxidation in food products, extending shelf life and preserving color.
This compound is compatible with other phosphate-based additives and stabilizers in food and industrial applications.
Disodium Pyrophosphate (SAPP) is biodegradable and does not contribute to environmental pollution under proper disposal methods.
Disodium Pyrophosphate (SAPP) is a water-soluble salt with the chemical formula Na2P2O7, commonly used as a sequestrant, dispersant, and stabilizer in various industrial, agricultural, and consumer applications.
Disodium Pyrophosphate (SAPP) is a white, crystalline powder that is highly soluble in water and is known for its ability to bind and stabilize metal ions, preventing unwanted reactions and enhancing product performance.
Disodium Pyrophosphate (SAPP) is used to soften water and prevent the precipitation of minerals such as calcium and magnesium, which can interfere with cleaning processes and product quality.
Disodium Pyrophosphate (SAPP) is widely employed in detergents and cleaning products to improve efficiency by breaking down grease, stains, and mineral build-up, making it an essential ingredient in heavy-duty cleaners.
Disodium Pyrophosphate (SAPP) works as a dispersant in various formulations, helping to prevent clumping, settling, and mineral deposits in products like paints, coatings, and detergents.
Disodium Pyrophosphate (SAPP) is used in the food industry as a stabilizer and emulsifier, where it controls the activity of metal ions and helps maintain product consistency and quality.
Disodium Pyrophosphate (SAPP) is a versatile compound with applications in textile processing, metal treatment, paper production, and more, contributing to improved performance in industrial and consumer products.
Disodium Pyrophosphate (SAPP) is an environmentally friendly compound, biodegradable and non-toxic when used at recommended levels, making it suitable for a variety of applications that prioritize safety and sustainability.
Disodium Pyrophosphate (SAPP) helps to maintain the stability of emulsions in personal care and cosmetic products, ensuring that oil and water mixtures remain consistent and effective.
Disodium Pyrophosphate (SAPP) plays a key role in a wide range of industrial applications due to its ability to prevent scale formation, enhance cleaning performance, and stabilize formulations across diverse sectors.
PROPERTIES
Chemical Formula: Na2H2P2O7
Molecular Weight: 221.94 g/mol
Common Name: Disodium Pyrophosphate (SAPP)
Appearance: White, crystalline powder
Odor: Odorless
Density: Approx. 2.5 g/cm³
Melting Point: Decomposes upon heating
Solubility: Highly soluble in water; insoluble in organic solvents
pH: 3.5–5.0 (1% aqueous solution)
Reactivity: Reacts with acids and bases; avoid contact with moisture
Chemical Stability: Stable under dry conditions; degrades in high humidity
Storage Temperature: Store at 10–30°C in a cool, dry place
FIRST AID
Inhalation:
If Disodium Pyrophosphate (SAPP) 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 Pyrophosphate (SAPP) 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 Pyrophosphate (SAPP).
Avoid inhaling dust during handling and 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 heat, moisture, and incompatible materials.
Keep containers tightly closed and properly labeled.
Protect from high humidity and direct sunlight.
Handling Cautions:
Avoid prolonged exposure to air and moisture to maintain product stability.
Ensure containers are sealed properly to prevent contamination.
