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Industrial Chemicals

Chelating Agent

Sodium Tripolyphosphate

Sodium tripolyphosphate, with the chemical formula Na5P3O10, is an amorphous water-soluble linear polyphosphate that is frequently employed in food as a metal chelating agent, pH regulator, water retention agent, and quality enhancer.

Synonyms/aliases: Pentasodium tripolyphosphate, sodium triphosphate, pentasodium phosphate

Chemical formula: Na5P3O10

CAS NO.: 7758-29-4



Among its many uses are as a pH buffer, chelation, suspension, dispersion, gelatinization, and emulsification.

In the washing industry, it can be used as the main auxiliary agent for synthetic detergent;

In the water treatment industry, it is used as a water softener for industrial water;

In leather industry, it is used as top tanning agent and dyeing aid;

In the organic synthesis industry, used as an organic synthesis catalyst;

In the pharmaceutical industry, it is used as a dispersing agent in the pharmaceutical industry;

In the food field, used as a food additive;

In China, the use is mainly concentrated in detergent, food, ceramics and other industries.


There are custom packages.

Sodium Tripolyphosphate

Qualification Certificate:

REACH Kosher Halal


Sodium Tripolyphosphate

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