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Sodium Acid Pyrophosphate (SAPP 28), designated as E450, is a white, crystalline powder widely used as a leavening agent, buffering agent, and sequestrant.
In bakery applications, it is valued for its controlled release of gas when combined with baking soda, allowing for precise texture and volume control.
E450 Sodium Acid Pyrophosphate (SAPP 28) also plays important roles in processed meats, canned seafood, and potato products for maintaining texture, color, and shelf life.
CAS Number: 7758-16-9
EC Number: 231-835-0
Molecular Formula: Na₂H₂P₂O₇
Molecular Weight: 221.94 g/mol
Synonyms: Sodium Acid Pyrophosphate, E450, SAPP 28, Disodium Pyrophosphate, SAPP Leavening Agent, Acid Sodium Pyrophosphate, Disodium Dihydrogen Pyrophosphate, Sodium Diphosphate, Food Grade SAPP, SAPP 28 Baking Agent, Leavening Acid SAPP, Slow-Release SAPP, Controlled Reaction SAPP, Bakery Ingredient SAPP, SAPP 28 for Pancakes, SAPP for Biscuits, Emulsifier SAPP
APPLICATIONS
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in bakery products like pancakes, muffins, cakes, and biscuits to control the leavening rate and improve texture.
E450 Sodium Acid Pyrophosphate (SAPP 28) is applied in processed potato products (fries, hash browns) to prevent after-cooking darkening.
E450 Sodium Acid Pyrophosphate (SAPP 28) is employed in canned seafood and meats to maintain tenderness and color during storage.
E450 Sodium Acid Pyrophosphate (SAPP 28) is included in dough conditioners and phosphate blends for consistent dough performance.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in batter mixes and coatings for fried foods to enhance crispness and adhesion.
E450 Sodium Acid Pyrophosphate (SAPP 28) also finds applications in dairy products, beverages, and powdered drink mixes as a buffering agent.
E450 Sodium Acid Pyrophosphate (SAPP 28) is widely used in the food industry as a sequestrant, where it helps improve the stability and appearance of processed foods like canned vegetables, seafood, and meat products.
E450 Sodium Acid Pyrophosphate (SAPP 28) is employed in the production of potato products such as French fries and chips, where it helps preserve color and prevent browning during processing and storage.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the preparation of dairy products, where it helps stabilize calcium and prevent the separation of components in products like cheese and yogurt.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the water treatment industry, where it helps remove hardness from water by binding to calcium and magnesium ions, improving water quality.
E450 Sodium Acid Pyrophosphate (SAPP 28) is employed in the formulation of frozen foods, such as frozen vegetables and meats, where it helps prevent discoloration and maintains product quality during storage.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the production of seafood, such as shrimp and shellfish, where it helps prevent discoloration and improve the texture by stabilizing proteins.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the manufacture of canned foods, such as fruits and vegetables, to prevent the discoloration and degradation of the product during the canning process.
E450 Sodium Acid Pyrophosphate (SAPP 28) is applied in the production of meat and poultry products, where it helps maintain the color and texture of the meat while extending shelf life.
E450 Sodium Acid Pyrophosphate (SAPP 28) is employed in the formulation of dough and bakery products, where it helps improve texture and volume by stabilizing the ingredients.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the formulation of cosmetics and personal care products, where it helps stabilize formulations and improve the texture and feel of creams, lotions, and shampoos.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the production of cleaning agents, where it helps remove metal ions from hard water, improving the performance of detergents and other cleaning products.
E450 Sodium Acid Pyrophosphate (SAPP 28) is applied in the preparation of ready-to-eat meals, where it helps maintain the texture and consistency of the food while preventing the formation of undesirable crystals.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the formulation of emulsions for dairy and non-dairy beverages, where it helps stabilize the ingredients and prevent separation.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the preparation of fruit juices and soft drinks, where it helps prevent discoloration and maintains the clarity of the liquid.
E450 Sodium Acid Pyrophosphate (SAPP 28) is employed in the production of meat alternatives, such as plant-based burgers and sausages, where it helps maintain texture and improve the stability of the product.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the formulation of pharmaceutical tablets, where it helps stabilize the active ingredients and improves the dissolution rate of the tablet.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the creation of edible coatings for fruits and vegetables, where it helps preserve color and texture during storage and transportation.
E450 Sodium Acid Pyrophosphate (SAPP 28) is applied in the preparation of snack foods, where it helps maintain the crispness and color of products like chips and pretzels.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the manufacture of powdered drink mixes, where it helps improve the solubility and uniformity of the mix when rehydrated.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the production of processed cheese products, where it helps prevent the formation of undesirable crystals and maintains a smooth, creamy texture.
E450 Sodium Acid Pyrophosphate (SAPP 28) is employed in the formulation of pet foods, where it helps stabilize the ingredients and improve the texture and appearance of the final product.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the preparation of health drinks, where it helps enhance the clarity and color of the product, making it more appealing to consumers.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the production of sauces and gravies, where it helps improve texture and prevent separation of ingredients during storage and heating.
E450 Sodium Acid Pyrophosphate (SAPP 28) is applied in the production of beer and other alcoholic beverages, where it helps clarify the liquid and remove unwanted metals that may affect taste and stability.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the preparation of flavor emulsions, where it helps create stable mixtures and ensures uniform distribution of flavoring agents in food and beverages.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the manufacture of bakery glazes, where it helps improve texture and ensures an even, glossy finish on products like cakes and pastries.
E450 Sodium Acid Pyrophosphate (SAPP 28) is employed in the production of nutritional supplements, where it helps stabilize the formula and improve the absorption of nutrients.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the preparation of custards and puddings, where it helps improve the texture and prevent the formation of lumps during cooking.
E450 Sodium Acid Pyrophosphate (SAPP 28) is applied in the formulation of gelatin-based products, where it helps improve texture and ensure smooth consistency.
E450 Sodium Acid Pyrophosphate (SAPP 28) is used in the creation of food colorants, where it helps stabilize and enhance the visual appearance of food products by preventing discoloration.
DESCRIPTION
E450 Sodium Acid Pyrophosphate (SAPP 28) appears as a white, crystalline or granular powder with high solubility in water.
E450 Sodium Acid Pyrophosphate (SAPP 28) acts as a slow-acting leavening acid, releasing carbon dioxide gradually when combined with sodium bicarbonate.
The "28" in SAPP 28 indicates the rate of gas release, suitable for products requiring extended shelf life and baking control.
E450 Sodium Acid Pyrophosphate (SAPP 28) has low hygroscopicity and good thermal stability under normal storage conditions.
E450 Sodium Acid Pyrophosphate (SAPP 28) helps improve product quality, consistency, and appearance in a wide variety of processed foods.
E450 Sodium Acid Pyrophosphate (SAPP 28) is an inorganic compound used in the food industry as a sequestrant, emulsifier, and stabilizer, helping to improve texture, color, and shelf life in various food products.
E450 Sodium Acid Pyrophosphate (SAPP 28) is a white, crystalline powder that is highly soluble in water, and it is used to prevent the formation of undesirable crystals and maintain the quality of food products.
E450 Sodium Acid Pyrophosphate (SAPP 28) is commonly used in the food industry to bind metal ions, which can cause discoloration or spoilage in food, thereby enhancing product stability.
E450 Sodium Acid Pyrophosphate (SAPP 28) helps prevent the browning of food products, particularly in potato and seafood products, by stabilizing the natural color and texture of the product.
E450 Sodium Acid Pyrophosphate (SAPP 28) is effective in the water treatment industry, where it helps remove hardness by binding to calcium and magnesium ions, improving water quality.
E450 Sodium Acid Pyrophosphate (SAPP 28) is a versatile ingredient used in both food and non-food applications, helping to maintain consistency, stability, and quality in products like canned vegetables, dairy products, and cleaning agents.
E450 Sodium Acid Pyrophosphate (SAPP 28) is approved by regulatory bodies for use in food applications, and it is considered safe for consumption within specified limits in food and beverage products.
E450 Sodium Acid Pyrophosphate (SAPP 28) is widely used in frozen foods, helping to maintain the product's texture and color while extending the shelf life of items like frozen vegetables and meats.
E450 Sodium Acid Pyrophosphate (SAPP 28) is a stable and effective compound that can withstand processing conditions like heat and acidic environments, making it ideal for use in various food and beverage applications.
E450 Sodium Acid Pyrophosphate (SAPP 28) is a safe and effective ingredient for stabilizing food products, enhancing texture, and improving the overall appearance and shelf life of various food products.
PROPERTIES
Chemical Formula: Na₂H₂P₂O₇
Molecular Weight: 221.94 g/mol
Common Name: Sodium Acid Pyrophosphate (SAPP 28)
Appearance: White crystalline or granular powder
Odor: Odorless
Solubility: Freely soluble in water; insoluble in alcohol
pH (1% solution): 4.0–5.0
Bulk Density: 0.8–1.0 g/cm³
Stability: Stable under dry, cool conditions
Storage Temperature: 10–25°C
Shelf Life: 12–24 months when stored properly
FIRST AID
Inhalation:
Move the affected person to fresh air.
Seek medical attention if respiratory symptoms occur.
Skin Contact:
Wash thoroughly with soap and water.
If irritation develops, seek medical advice.
Eye Contact:
Flush eyes immediately with plenty of water for at least 15 minutes.
Consult a physician if irritation persists.
Ingestion:
Rinse mouth.
If discomfort occurs, seek medical attention.
Note to Physicians:
Treat symptomatically.
Product is not considered hazardous under normal conditions.
HANDLING AND STORAGE
Handling:
Wear appropriate personal protective equipment (gloves, goggles) during bulk handling.
Avoid inhalation of dust and contact with skin and eyes.
Spill and Leak Procedures:
Sweep up spilled material carefully. Avoid creating airborne dust. Dispose of according to local environmental regulations.
Storage:
Store in a cool, dry, and well-ventilated area away from moisture and incompatible materials.
Keep containers tightly closed when not in use.
Handling Cautions:
Avoid prolonged exposure to air and humidity to maintain product performance.
Use clean, dry tools and equipment during handling to prevent contamination.
