Sodium Acid Pyrophosphate CAS:7758-16-9

Sodium Acid Pyrophosphate (SAPP) is a highly functional food-grade phosphate widely recognized for its diverse applications across the food industry. Its unique chemical properties make it an indispensable ingredient for improving product quality, processing efficiency, and shelf life in various food segments.

1. Optimizing Bakery and Convenience Food Performance

In baking applications, Sodium Acid Pyrophosphate (SAPP) acts as a crucial leavening acid. When combined with baking soda (sodium bicarbonate), it generates carbon dioxide gas, providing the necessary lift for baked goods. This controlled reaction is vital for achieving consistent texture and volume. SAPP excels in products like biscuits, cookies, and cakes, where it:

• Shortens fermentation/proofing time: Accelerating production cycles.
• Reduces breakage: Enhancing product integrity during handling and packaging.
• Promotes uniformity: Creating clean, even break lines in crackers and biscuits.
• Extends shelf life: Contributing to prolonged freshness.

For instant noodles, SAPP significantly reduces rehydration time, allowing for quicker preparation. It also improves the texture by preventing noodles from sticking together during drying and storage, ensuring optimal quality upon reconstitution.

2. Enhancing Water-Holding Capacity and Ionic Stability

Sodium Acid Pyrophosphate (SAPP) plays a vital role in improving the water retention properties of food, particularly in meat and poultry products. It achieves this by:

• Chelating metal ions: Binding calcium, magnesium, and iron ions that can negatively impact protein functionality and promote oxidation (leading to rancidity and discoloration).
• Adjusting pH: Providing buffering capacity to stabilize the system.
• Increasing ionic strength: Enhancing protein solubility and swelling, which improves hydration and binding capabilities.

3.Comprehensive Functionality as a Leavening Agent, Water Binder, and Quality Improver

Sodium Acid Pyrophosphate 's versatility positions it as a multi-functional additive:

• Leavening Agent: Primarily in chemically leavened systems (baking powder blends) for cakes, muffins, pancakes, and refrigerated doughs. Its reaction rate can be tailored based on the grade (e.g., SAPP 28 is slower acting).
• Water Binder (Humectant): Enhancing moisture retention in various applications, preventing products from drying out.
• Quality Improver: Stabilizing texture, improving machinability of doughs, contributing to consistent browning, and extending the shelf life of a wide range of products, including baked goods and processed meats.

SAPP, Disodium Pyrophosphate, 7758-16-9, Disodium dihydrogen pyrophosphate, DISODIUM PYROPHOSPHATE, Diphosphoric acid, disodium salt

Standard Packaging: 25kg net WPP/PE bags

Have specific requirements? Our team is ready to tailor a packaging solution for your business. Get in touch today!

Our food-grade Sodium Acid Pyrophosphate (SAPP) is manufactured through a carefully controlled two-step process:

1. Neutralization & Spray Drying
Food-grade phosphoric acid is neutralized with sodium carbonate under precise conditions. The reaction is controlled to achieve a final pH of 4.0–4.4 in the neutralization liquid. The resulting solution is then spray-dried under strict temperature parameters: an inlet temperature of 300°C and an outlet temperature maintained between 110°C and 120°C.

2. Thermal Polymerization
The dried intermediate product is subsequently heated to 140–200°C. Under this controlled thermal treatment, it undergoes dehydration and polymerization to form the final Sodium Acid Pyrophosphate.

Key Chemical Reactions:

Na₂CO₃ + 2H₃PO₄ → 2NaH₂PO₄ + H₂O + CO₂↑

2NaH₂PO₄ → Na₂H₂P₂O₇ + H₂O

This method ensures a high-purity product suitable for food applications, reflecting our commitment to quality and advanced manufacturing capabilities.

Precautions

Keep container dry. Do not ingest. Do not breathe dust. Never add water to this product In case of insufficient ventilation, wear suitable respiratory equipment If ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes.

Storage

No specific storage is required. Use shelves or cabinets sturdy enough to bear the weight of the chemicals. Be sure that it is not necessary to strain to reach materials, and that shelves are not overloaded.

As a professional Sodium Acid Pyrophosphate (SAPP) supplier with over ten years of experience, Sinoright guarantees a long-term, stable, and continuous supply of Sodium Acid Pyrophosphate (SAPP) products and looks forward to establishing a long-term partnership with you.

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