Sodium tripolyphosphate (STPP) CAS 7758-29-4

Structural formula： 

Product Description：

Properties and Usage:

Sodium tripolyphosphate (STPP) has good water solubility and buffering properties and is an efficient water softener and additive.

Cleaning agent and detergent ingredients

STPP is a core ingredient in laundry detergents and dishwashing liquids. It can effectively remove calcium and magnesium ions in water and reduce the hardness of water, thereby enhancing the cleaning ability of detergents. In addition, it has excellent dispersibility and emulsification, which can better remove stubborn dirt and grease.

Stabilizers and emulsifiers in the food industry

STPP is a food additive (E451), mainly used as an emulsifier and stabilizer.

Water treatment

STPP is used as a water softener and anti-scaling agent in the water treatment process, effectively removing mineral precipitation in water, preventing scaling of water pipes and equipment, and reducing maintenance costs. By reducing the hardness of water, STPP improves the overall efficiency and life of the water treatment system.

Auxiliary agents for paper and textile processing

STPP can improve the strength and gloss of paper. In the dyeing and printing process, it helps dyes better adhere to fibers to ensure uniform and lasting dyeing effects.

Phosphorus source in the fertilizer industry

STPP is an important phosphorus source in fertilizer production, providing the phosphorus element required for plant growth, promoting root development and increasing crop yields.

Storage conditions: It should be stored in a cool, ventilated and dry warehouse and should not be piled in the open air. It should not be exposed to moisture and deterioration, and should be protected from high temperature and harmful contamination. It should be handled with care during loading and unloading to prevent the packaging from being damaged.

Packing: This product is packed in 25kg 100kg cardboard bags, and it can also be customized according to customers' requirements