What is the purpose of adding sodium tripolyphosphate to a detergent?

A Powerful Cleaning Agent Sodium tripolyphosphate is used in a variety of cleaning products. It improves the ability of various ingredients in the detergent to penetrate the fibers of clothes (as well as other surfaces and materials to be cleaned) more deeply, and aids in foaming and bubbling.

What is STPP for laundry?

STPP, this is what is used in the laundry and dishwasher to replace phosphates which can no longer be added to retail laundry detergent or dishwashing machine detergents. Phosphates lowers the pH of water and helps prevent dirt and oils from attaching to fabric which detergents have removed.

What is the newest substitute for phosphates in soap and detergent manufacturing?

The most important substitutes for phosphates in laundry detergents are zeolites and polycarboxylates. Others are phosphonates, carbonates and different carboxylates such as citrates and succinates.

What phosphate is used in detergents?

The chemical form in which phosphate is used in detergents is predominantly pentasodium triphosphate (PSTP). The most significant feature for the use of PSTP in detergents is its ability to form soluble and strong complexes with calcium and magnesium ions.

What is the function of STPP in liquid soap?

*STPP stands for sodium tripolyphosphate. It is an inorganic compound which serves as a “builder,” for a water softener it is strong cleaning ingredient that typically can rid dishes and fabrics of soil and spots. Its key function is that it allows surfactants to work at their full potential.

What does sodium sulfate do in detergent?

Sodium sulfate, used as a filler in detergent powder, enables the adjustment of theconcentration of the active matter in the detergent, as required. Sodium sulfate is added to make the detergent powder flow freely. Without it, the detergent would easily stick together and become one big block.

What is the work of STPP in liquid soap?

Is STPP a foaming agent?

In cleaning products, STPP improves the ability of detergents to penetrate fibers and other materials. It also aids in foaming, and its pH buffering ability makes it useful as a water softener.

How do you dilute sodium tripolyphosphate?

Weigh out 2.5 g of sodium tripolyphosphate. In a 150-ml acid-washed beaker, dissolve the sample in 100 ml of deionized distilled water. Under a hood, acidify the solution with concentrated HNO3 to a pH of less than 2. Gently heat the solution to reduce the volume below 100 ml, making certain that it does not boil.

Why are phosphates added to detergents?

Phosphates are common additives in detergents to soften the hard water. It enhances the cleaning power of the detergents, which is very helpful in spiking its popularity and while marketing. However, it causes health problems and major environmental hazards.

Why phosphate is added in detergent?

Phosphates in detergent refers to the use of phosphates as an ingredient in a detergent product. The advantage of using phosphates in a consumer laundry detergent or dishwashing detergent is that they make detergents more efficient by chelating calcium and magnesium ions.

How do you add phosphates to laundry detergent?


  1. Add the normal amount of your regular laundry detergent to the washing machine.
  2. Measure 1/4 cup of powdered trisodium phosphate to the washer as it is beginning to fill with water.
  3. Add your laundry to the washer and wash it on the cycle that is recommended according to the directions on the clothing labels.