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Tetra Sodium Pyrophosphate

White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3and melting point 890℃; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 ℃ but will be hydrolyzed into di-sodium phosphate when boiled .
  • aozun

  • 28353990

  • TSPP

  • White powder

  • 7722-88-5

  • Na4P2O7

  • 265

  • 231-767-1

  • Soluble in water

Availability:

Product Description

Tetra Sodium Pyrophosphate (TSPP) CAS 7722-88-5


Tetra Sodium Pyrophosphate (TSPP), also known as Tetrasodium Pyrophosphate, is an inorganic compound widely used in the food industry, detergents, water treatment, ceramics, and chemical manufacturing. It appears as a white crystalline powder or granular solid and is highly soluble in water.


Tetra Sodium Pyrophosphate functions as a buffering agent, dispersant, emulsifier, and chelating agent, helping improve product stability and performance in various industrial formulations.


Because of its excellent water-softening and metal-ion chelating properties, Tetra Sodium Pyrophosphate CAS 7722-88-5 is widely used in cleaning products, food processing, and industrial chemical applications.




Key Product Information



Item Specification
Product Name Tetra Sodium Pyrophosphate
Synonyms Tetrasodium Pyrophosphate, TSPP
CAS Number 7722-88-5
Molecular Formula Na4P2O7
Molecular Weight 265.90
Appearance White crystalline powder
Solubility Highly soluble in water
Typical Purity ≥96% or ≥98% (depending on grade)




Applications of Tetra Sodium Pyrophosphate


Food Industry

In food processing, TSPP is used as a food additive and emulsifying agent. It helps improve texture, moisture retention, and stability in products such as processed seafood, meat products, and dairy formulations.


Detergents and Cleaning Products

TSPP is widely used in detergents and cleaning formulations as a water softener and dispersant, improving cleaning performance by preventing mineral deposits.


Water Treatment

The compound acts as a sequestering agent, helping control metal ions in water systems and preventing scale formation.


Ceramic and Industrial Processing

In the ceramics and clay industry, TSPP functions as a deflocculant and dispersing agent, improving slurry stability and processing efficiency.


Chemical Manufacturing

Tetra Sodium Pyrophosphate is also used as a buffering agent and chemical intermediate in various industrial processes.




Typical Specifications



Parameter Standard Value
Purity ≥96% / ≥98%
P2O5 Content ≥51%
Water Insoluble ≤0.1%
pH (1% solution) 9.9 – 10.7
Appearance White crystalline powder


Specifications may vary depending on industrial grade or food grade requirements.




Packaging and Storage


Packaging Options

  • 25 kg kraft paper bag

  • 25 kg plastic woven bag

  • 1000 kg jumbo bag

  • Customized packaging available upon request


Storage Conditions

  • Store in a cool, dry, and well-ventilated area

  • Keep containers tightly sealed

  • Protect from moisture and humidity

  • Avoid contamination during storage and handling


Proper storage conditions help maintain product quality and shelf life.




Supply Capability


  • Stable industrial production capacity

  • Consistent quality control and testing

  • COA, MSDS, and technical documentation available

  • Samples available for evaluation

  • Global export logistics support




Frequently Asked Questions (FAQs)


What is Tetra Sodium Pyrophosphate used for?

Tetra Sodium Pyrophosphate is widely used as a food additive, detergent builder, dispersant, water softener, and chemical processing agent in multiple industries.


Is Tetra Sodium Pyrophosphate soluble in water?

Yes. TSPP is highly soluble in water, which allows it to function effectively as a chelating and dispersing agent.


Which industries commonly use TSPP?


Industries that frequently use Tetra Sodium Pyrophosphate include:


  • Food processing

  • Detergent manufacturing

  • Water treatment

  • Ceramics and clay processing

  • Industrial chemical manufacturing


Is TSPP used in food applications?

Yes. Food-grade TSPP is commonly used in processed seafood, meat products, and dairy processing as a stabilizer and emulsifier.


Do you provide samples for testing?

Yes. Product samples are available for laboratory testing and quality verification before bulk purchasing.


What documents are available with the product?


Standard documentation includes:

  • Certificate of Analysis (COA)

  • Material Safety Data Sheet (MSDS)

  • Technical Data Sheet (TDS)




Why Choose Our Tetra Sodium Pyrophosphate


  • Reliable global chemical supply

  • Strict quality control standards

  • Competitive international pricing

  • Professional export and logistics support

  • Long-term cooperation with global partners




Contact Us


If you are looking for a reliable supplier of Tetra Sodium Pyrophosphate (TSPP) CAS 7722-88-5, please contact us for pricing, specifications, or samples.


Email: lisa@aozunchem.com
WeChat / WhatsApp: +86-186 5121 5887


We welcome inquiries from distributors, manufacturers, and industrial users worldwide and look forward to building long-term cooperation.


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