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Sodium Tripolyphosphate - STPP

Silver Fern is a leading supplier and distributor of bulk specialty chemicals, with over 20 years of serving North America’s top manufacturers.

Sodium Tripolyphosphate is an inorganic compound used in various applications such as a water softener and as a preservative in detergents and food.

Product Details

Formula:

Na5P3O10

CAS Number:

7758-29-4

Also Known As:

Sodium triphosphate; Triphosphoric acid, pentasodium salt; Pentasodium tripolyphosphate

Typical Specifications

Data is representative of average lots;
data taken from specific lots may vary.

Appearance

white crystalline powder

Boiling Point, °C

decomposes before boiling

Density, g/cm3

2.52

Melting point, °C

622

Molecular weight, g/mol

367.86

Odor

odorless

COMMERCIAL REQUESTS ONLY

Store in a cool, dry place. Keep container tightly closed.
Sodium Tripolyphosphate is a high-quality, inorganic compound known for its excellent versatility and efficiency in various applications. With a precise chemical formulation and compositional stability, it serves as a powerful cleaning agent and an effective sequestrant. In the detergent industry, Sodium Tripolyphosphate is prized for its ability to soften water by binding calcium and magnesium ions, thereby enhancing the performance of cleaning agents. It also acts as a dispersing agent to prevent soil and insoluble salts from depositing on fabrics. In the food industry, Sodium Tripolyphosphate is utilized as an emulsifier, a texturizer, and a preservative, helping to improve the texture and shelf-life of a wide range of food products. Additionally, it is used in water treatment processes, ceramics manufacturing, and mineral refining, demonstrating its broad utility across various sectors. Sodium Tripolyphosphate stands out for its reliability and efficiency, making it a critical component in many industrial and household applications.

Structure:

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