Database/Buffering/Pentasodium Triphosphate
100% natural origin · ISO 16128

Is Pentasodium Triphosphate natural?

Yes. Wholly inorganic sodium phosphate salt; sodium and phosphate are both explicitly mineral-origin.

INCI namePentasodium Triphosphate
CAS7758-29-4
FormulaNa5O10P3 · 367.86 Da
FunctionBuffering · Chelating
FeedstockManufactured from phosphate rock reacted with sodium carbonate/phosphoric…

How we scored it

Entirely inorganic: 5 Na+ plus triphosphate (P3O10^5-), both mineral-origin counter-ions. 1.0.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Manufactured from phosphate rock reacted with sodium carbonate/phosphoric acid. Classified as mineral origin under ISO 16128; no organic fragment.

In plain English

A mineral salt used in small amounts to buffer pH and bind trace metals that could destabilise a formula.

Structure

2D structure of Pentasodium Triphosphate

pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate

PubChem CID 24455 ↗

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2Pentasodium Triphosphate. PubChem CID 24455. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3PENTASODIUM TRIPHOSPHATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4PENTASODIUM TRIPHOSPHATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PENTASODIUM%20TRIPHOSPHATE