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Specifications
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Appearance |
White to off-white solid |
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Solubility |
Clear solution in Acetonitrile (50 mg/mL) |
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Purity (31P-NMR) |
98.0% min |
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Largest Impurity |
0.50% max |
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Total Impurity |
2.0% max |
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Tributylammonium Content |
1.25–1.65 |
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Moisture Content |
0.40% max |
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IC Test (Na⁺) |
1000 ppm max |
Transport Information
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Parameter |
Specification |
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UN Number |
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Class |
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Packing Group |
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H.S. Code |
2923900090304 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
-20℃ |
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Condition to Avoid |
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Package |
Manufacturing Information
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Parameter |
Specification |
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Capacity |
100kg/month |
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Frequency |
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Main Export Countries |
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Capacity/Batch |
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Experience |
Production since 2017 |
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Stock |
Overview
Sodium dihydrogenpyrophosphate丨CAS 5975-18-8 is an inorganic phosphate salt widely used as a food additive, leavening agent, dispersant, and sequestrant. It is one of the sodium acid pyrophosphates (SAPPs), known for their controlled leavening activity in food products and multifunctional roles in industrial applications.
Applications
1. Food Industry
Leavening Agent (Baking Powders):
Used in combination with baking soda (sodium bicarbonate) to release carbon dioxide and leaven baked goods.
➤ Common in products like pancakes, muffins, and cake mixes.
Sequestrant:
Binds metal ions (like calcium and magnesium) to improve texture and stability in processed foods.
pH Control Agent:
Helps maintain desirable acidity levels in food formulations.
Emulsifier/Stabilizer:
Used in processed meats, canned seafood, and dairy products to improve texture and shelf life.
2. Water Treatment
Functions as a dispersant and sequestrant to prevent scale and corrosion in water systems by binding calcium and magnesium ions.
3. Detergents and Cleaners
Acts as a builder and water softener in formulations, enhancing cleaning efficiency by preventing soap scum formation.
4. Ceramics and Metal Finishing
Used in metal cleaning and conditioning solutions.
Can act as a dispersant or deflocculant in ceramic slurries.
5. Oil Drilling and Industrial Fluids
Incorporated as a dispersant and deflocculant in drilling muds and fluid systems to maintain stability and flow.
Benefits
✅ Controlled Leavening
Provides timed release of CO₂ in baked goods, enabling optimal volume and texture.
✅ Improved Food Stability
Prevents undesirable interactions with metal ions that could affect color, flavor, or texture.
✅ Multifunctionality
Offers buffering, dispersing, and chelating functions across multiple industries.
✅ Water Solubility
Easily dissolves in water, making it suitable for aqueous systems in food, cleaning, and industrial applications.
✅ Non-Toxic at Regulated Levels
Approved for food use by many regulatory agencies (e.g., FDA, EFSA) when used within specified limits.
Summary
Sodium dihydrogenpyrophosphate丨CAS 5975-18-8 is a versatile phosphate salt used extensively in food processing, water treatment, detergents, ceramics, and industrial applications. Known for its controlled leavening action, metal ion sequestration, and dispersant properties, it plays an essential role in both consumer and technical formulations.
