Tetrapotassium Pyrophosphate

AKA “Potassium pyrophosphate, 7320-34-5, Potassium diphosphate, TKPP, Diphosphoric acid, tetrapotassium salt, Tetrapotassium diphosphorate, Pyrophosphoric acid, B9W4019H5G, DTXSID3036446”

Ingredient

Ingredient Facts

Tetrapotassium pyrophosphate

AKA: 7320-34-5, Potassium diphosphate, TKPP, Diphosphoric acid, Tetrapotassium salt, Tetrapotassium diphosphorate, Pyrophosphoric acid, B9W4019H5G, DTXSID3036446

Ingredient · Buffering · EWG: 1

Synthetic

Chelating Agent

Clean

The CIR Expert Panel concluded that the following 31 ingredients are safe in the present practices of use and concentration in cosmetics as described in this safety assessment, when formulated to be non-irritating...Tetrapotassium Pyrophosphate...

Solubility Soluble in water, insoluble in ethanol

Formula

K4O7P2

Mol. Weight

330.34

CAS #

7320-34-5

Form

Powder

State

Potassium tetrapyrophosphate is a whitish-colored powdered solid. It is toxic by ingestion, and/or inhalation. Contact with the substance should be avoided.

See origin →

Functions

Buffering

Chelating

Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.

Oral Care

Stabilizes pH

Removes Metal Ions

Supports dental health

Maintains optimal pH

Binds metal ions

Traditional Use

Inorganic salt developed for modern cosmetics as a chelating and buffering agent. Used industrially before adoption in skincare to prevent mineral precipitation.