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sodium tripoly phosphate(CAS: 7758-29-4)
CAS Number
Package
25kg/袋（内衬PE袋，外覆纸塑复合袋）；或根据客户需求定制1000kg吨袋包装
Product Description
Sodium Tripolyphosphate (STPP), CAS 7758-29-4, is a white crystalline powder with excellent water solubility and strong chelating ability. It is widely used as a detergent builder, water softener, and dispersant in the detergent and cleaning industry; as a food additive (moisture retention agent, emulsifier, stabilizer) in meat and seafood processing; and as a water treatment agent and ceramic additive in industrial applications. Our products comply with GB/T 9984-2004 (industrial grade) and GB 25566-2010 (food grade) standards, with stable quality and reliable supply.
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Basic Information
Molecular Formula
H5NaO10P3
Molecular Weight
280.94 g/mol
Physical Properties
Melting Point
622 °C
Density
2.52 g/cm3 (20℃)
Water Solubility
20 g/100 mL (20 ºC)
Chemical Identifiers
SMILES
[O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+]
InChIKey
FYBVENGNOGWODF-UHFFFAOYSA-N
Database References
MDL Number
MFCD00003514
FAQ
Pentasodium Triphosphate (CAS: 7758-29-4) is a sodium salt of triphosphoric acid, with the chemical formula Na5P3O10. It is a white, crystalline powder that is highly soluble in water. As a polyphosphate, it acts as a sequestrant, buffer, and pH stabilizer. Its structure allows it to chelate metal ions, making it useful in various industrial and consumer applications. It is commonly found in detergents, food additives, and pharmaceutical formulations due to its versatile chemical properties.
Pentasodium Triphosphate (CAS: 7758-29-4) is widely used in food as an emulsifier and stabilizer to improve texture and shelf life. In pharmaceuticals, it serves as a buffering agent. Industrially, it functions as a water softener and flame retardant. It is also employed in detergents to enhance cleaning efficiency and in research for analytical chemistry. Its applications are driven by its ability to bind minerals and maintain pH stability in diverse environments.
Pentasodium Triphosphate (CAS: 7758-29-4) is generally recognized as safe (GRAS) by the FDA for food use. However, inhalation or prolonged skin contact may cause mild irritation. Safety data sheets (SDS) recommend handling with gloves and goggles to prevent accidental exposure. It is non-toxic in normal conditions but should be stored and used according to safety standards to ensure workplace and environmental safety.
Pentasodium Triphosphate (CAS: 7758-29-4) should be stored in a cool, dry place, away from moisture and light. Keep in airtight containers to prevent hygroscopic absorption. Maintain storage temperature below 25°C and ensure humidity levels are low. Avoid exposure to high heat or direct sunlight to preserve stability. Always follow safety guidelines for handling and storage to maintain product integrity and minimize risks.
Safety Notice
Please verify product specifications and safety data before use. Contact the supplier for detailed safety information.
Always follow proper handling procedures
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