Sodium Aluminum Phosphate, also known as SALP, is a food grade phosphate ingredient used in bakery, baking powder, leavening systems, processed foods and selected food applications.
In bakery applications, SALP is mainly used as a chemical leavening agent. It can help release carbon dioxide during baking, supporting product volume, light texture and stable crumb structure in cakes, biscuits, muffins, pancakes and other baked goods.
GJ Phosphate supplies food grade Sodium Aluminum Phosphate SALP for bakery manufacturers, baking powder producers, importers and distributors. We can provide product specifications, COA/MSDS, sample support, export packaging and quotation according to your application requirements.
- Food grade Sodium Aluminum Phosphate SALP supply
- Suitable for bakery, baking powder, chemical leavening systems and processed foods
- Supports leavening performance, product volume, texture and crumb structure
- COA, MSDS, specification sheet and export documents available upon request
- Quotation support for bakery manufacturers, importers and distributors
Request SALP COA/MSDS & Quotation
What Is Sodium Aluminum Phosphate?
Sodium Aluminum Phosphate, commonly abbreviated as SALP, is a phosphate-based food additive made from sodium, aluminum and phosphate components. It is usually supplied as a white, odorless powder and is used in selected food systems where leavening, pH control or texture support is required.
SALP is especially relevant in commercial baking because it can act as a leavening acid in baking powder systems. It is often used together with sodium bicarbonate to release carbon dioxide during baking.
For a broader explanation of bakery leavening systems, you can read our guide: Chemical Leavening Agents for Baking.
Sodium Aluminum Phosphate Specification
Food grade Sodium Aluminum Phosphate should meet the required purity, safety and compliance standards of the destination market. The exact specification may vary according to grade, application and buyer requirements.
| Chemical formula | Na3Al(PO4)2 |
| Molar mass | 317.94 g/mol |
| Appearance | White, odorless powder |
| Solubility | Soluble in water and insoluble in ethanol |
| Density | 1.62 g/cm3 |
| pH (1% solution) | 3.5-5.5 |
| HS Code | 28352990 |
| E-Code | E541 |
| Melting point | Decomposes at high temperatures |
| Uses | Leavening agent in baked goods, emulsifying agent in processed cheese products, pH control agent in food and beverages. |
For purchasing, buyers usually need to confirm assay, pH value, water insoluble matter, heavy metals, arsenic, fluoride, particle size, packaging and available documents before placing an order.
How Is Sodium Aluminum Phosphate Made?
Sodium Aluminum Phosphate is manufactured through a controlled process using sodium compounds, aluminum compounds and phosphate compounds. The exact production process may vary depending on the required product type and specification.
Common raw material sources may include sodium hydroxide or sodium carbonate, aluminum hydroxide or aluminum salts, and phosphoric acid or phosphate salts. These materials are reacted under controlled conditions, followed by purification and drying to obtain the final SALP powder.
For food applications, the most important purchasing points are not only the production route, but also food grade compliance, impurity control, batch consistency and documentation support.
What Is Sodium Aluminum Phosphate Used For?
Sodium Aluminum Phosphate can be used in different applications depending on the formulation and local food regulations. Its most important food application is in bakery and chemical leavening systems.
1. Leavening Agent in Bakery
SALP is commonly used as a leavening acid in baking powder systems. When it reacts with sodium bicarbonate, carbon dioxide is released. This gas helps dough or batter rise during baking.
This function helps improve:
- Product volume
- Light and fluffy texture
- Crumb structure
- Baking consistency
- Finished product appearance
SALP may be used in cakes, biscuits, muffins, pancakes, waffles, quick breads, bakery premixes and commercial baking powder systems.
For a general article about different leavening systems, read: Types of Leavening Agents in Baking.
2. Baking Powder Systems
In baking powder, SALP can be used as an acid component. It works with sodium bicarbonate to produce carbon dioxide during baking.
Compared with some fast-acting leavening acids, SALP is often selected when formulators need controlled gas release and stable baking performance. The final choice depends on the product formula, processing method and regulatory requirements.
3. Cakes, Biscuits and Muffins
In cakes, biscuits and muffins, Sodium Aluminum Phosphate can support volume, crumb softness and stable texture. It is especially useful in industrial bakery production where consistent leavening performance is required.
4. Processed Foods
SALP may also be used in selected processed foods where pH control, texture support or stability is required. The suitability should be confirmed according to the finished product and local food additive regulations.
5. Processed Cheese and Dairy-Related Systems
In some processed cheese or dairy-related formulations, phosphate ingredients may help support texture and stability. However, the suitability of SALP depends on the exact formulation, target function and regulatory requirements.
SALP vs SAPP vs MCP in Chemical Leavening
SALP is one of several phosphate ingredients used in chemical leavening systems. Other common phosphate leavening ingredients include Sodium Acid Pyrophosphate (SAPP) and Monocalcium Phosphate (MCP).
| Ingredient | Main Feature | Typical Applications |
|---|---|---|
| SALP | Leavening acid for selected baking powder and bakery systems | Cakes, muffins, biscuits, baking powder and bakery premixes |
| SAPP | Controlled leavening acid, available in different reaction profiles | Cakes, quick breads, doughnuts, biscuits, pancakes and bakery premixes |
| MCP | Fast-acting leavening acid | Pancakes, biscuits, cakes, baking powder and premixes |
For a detailed comparison of SAPP, MCP and SALP in baking, read our article: Chemical Leavening Agents for Baking.
Food Applications of Sodium Aluminum Phosphate
Food grade Sodium Aluminum Phosphate may be used in selected applications where permitted by local regulations.
- Baking powder
- Cakes
- Biscuits
- Muffins
- Pancakes and waffles
- Quick breads
- Bakery premixes
- Selected processed foods
- Selected processed cheese or dairy-related systems
The final use and dosage should always follow the food additive regulations of the destination market.
Non-Food Applications of Sodium Aluminum Phosphate
Besides food applications, Sodium Aluminum Phosphate may also be used in selected industrial applications depending on grade and specification.
- Ceramic processing
- Glass and clarifying applications
- Fire retardant-related systems
- Selected industrial phosphate applications
Food grade and industrial grade materials are not interchangeable. Buyers should clearly confirm the intended use before purchasing.
Is Sodium Aluminum Phosphate Vegan?
Sodium Aluminum Phosphate is generally produced from mineral-based and chemically processed raw materials. It is not normally animal-derived.
If vegetarian, vegan, halal or other declaration documents are required, buyers should confirm the exact product type and document requirements before ordering.
Is Sodium Aluminum Phosphate Safe?
Food grade Sodium Aluminum Phosphate is used in food processing where permitted by applicable food regulations. Finished food manufacturers should follow the permitted application scope, usage level, labeling rules and food additive requirements of the destination market.
Because aluminum-containing food additives may face different requirements or restrictions in different countries, buyers should confirm local regulations before using SALP in a finished product.
For industrial buyers, it is important to confirm product grade, specification, COA, MSDS, heavy metal limits, aluminum-related requirements and compliance documents before purchase.
How to Choose Food Grade Sodium Aluminum Phosphate
When purchasing Sodium Aluminum Phosphate for bakery or food processing, buyers should confirm both technical performance and compliance requirements.
Important selection factors include:
- Food grade compliance
- Application: baking powder, cakes, biscuits, muffins, premixes or processed foods
- Required leavening performance
- pH value
- Solubility and dispersibility
- Particle size
- Assay and phosphate content
- Heavy metal limits
- Aluminum-related regulatory requirements
- COA and MSDS availability
- Packaging, shelf life and storage conditions
- Destination market regulations
GJ Phosphate can help confirm whether SALP or another phosphate leavening ingredient is more suitable for your application.
Related Product
- Sodium Aluminum Phosphate SALP – food grade SALP for bakery, baking powder, leavening systems and selected food processing applications.
Related Applications & Guides
- Chemical Leavening Agents for Baking – compare SAPP, MCP and SALP in bakery and baking powder systems.
- Types of Leavening Agents in Baking – understand biological, chemical and physical leavening systems.
- Sodium Acid Pyrophosphate in Food – learn how SAPP / E450(i) is used in bakery and food applications.
FAQ About Sodium Aluminum Phosphate
What is sodium aluminum phosphate?
Sodium Aluminum Phosphate, also known as SALP, is a phosphate-based food additive used in selected food applications, especially bakery and chemical leavening systems.
What is sodium aluminum phosphate used for in food?
It is mainly used as a leavening agent in baking powder and bakery products. It can help baked goods rise and improve volume, texture and crumb structure.
Is SALP a chemical leavening agent?
Yes. SALP can be used as a chemical leavening agent in bakery systems. It works with sodium bicarbonate to release carbon dioxide during baking.
What is the difference between SALP and SAPP?
SALP and SAPP are both phosphate leavening ingredients, but they have different compositions and performance profiles. The suitable choice depends on the target application, reaction performance, formula and local regulations.
Can SALP be used in all countries?
Not always. Aluminum-containing food additives may have different requirements or restrictions in different markets. Buyers should confirm local food additive regulations before use.
Is sodium aluminum phosphate vegan?
SALP is generally not animal-derived. If formal vegetarian, vegan, halal or other declarations are required, buyers should confirm documentation before ordering.
What documents are available for SALP buyers?
Common documents include COA, MSDS, specification sheet, food grade declaration, packing information and export documents depending on the order and destination market.
Can GJ Phosphate supply food grade Sodium Aluminum Phosphate?
Yes. GJ Phosphate can supply food grade Sodium Aluminum Phosphate SALP for bakery, baking powder and food processing applications. Specifications, COA/MSDS, sample support and quotation are available upon request.
Request Sodium Aluminum Phosphate Quotation
Need food grade Sodium Aluminum Phosphate SALP for bakery, baking powder or chemical leavening systems?
Contact GJ Phosphate to get product specifications, COA/MSDS, sample support and quotation.
