Tripotassium EDTA
AKA “17572-97-3, Edetate tripotassium, Tripotassium hydrogen ethylenediaminetetraacetate, EDTA tripotassium salt, Ethylenediaminetetraacetic acid tripotassium salt, Sequestrene 50K3, Tripotassium ethylenediaminetetraacetate, EINECS 241-543-5, KIA5203U1H”
Ingredient
Ingredient Facts
Tripotassium edta
AKA: 17572-97-3, Edetate tripotassium, Tripotassium hydrogen ethylenediaminetetraacetate, EDTA tripotassium salt, Ethylenediaminetetraacetic acid tripotassium salt, Sequestrene 50K3, Tripotassium ethylenediaminetetraacetate, EINECS 241-543-5, KIA5203U1H
Ingredient · Chelating · EWG: 1
Synthetic
Chelating Agent
Clean
Tripotassium hydrogen ethylenediaminetetraacetate
Formula
C10H13K3N2O8
Mol. Weight
406.51
CAS #
17572-97-3
Form
Powder
State
White crystalline solid; Odorless; [Alfa Aesar MSDS]
See origin →
Functions
Chelating
Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.
Removes Metal Ions
Reduces Inflammation
Fights Bacteria
Wound Healing
Binds metal ions
Traditional Use
A synthetic chelating agent developed in the mid-20th century as a salt of EDTA (ethylenediaminetetraacetic acid). Used in cosmetics to bind metal ions and improve product stability.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Reviewed by CIR
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Agencies
Final Report on the Safety Assessment of EDTA, Calcium Disodium EDTA, Diammonium EDTA, Dipotassium EDTA, Disodium EDTA, HEDTA, TEA-EDTA, Tetrasodium EDTA, Tripotassium EDTA, Trisodium EDTA, and Trisod
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Tripotassium EDTA
European Commission
EU Cosmetic Ingredient Database (CosIng)
Tripotassium EDTA
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR