Tripotassium EDTA

AKA: 17572-97-3, Edetate tripotassium, Tripotassium hydrogen ethylenediaminetetraacetate, EDTA tripotassium salt, Ethylenediaminetetraacetic acid tripotassium salt, Sequestrene 50K3, Tripotassium ethylenediaminetetraacetate
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]
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.
EWG
1
CIR
Reviewed by CIR
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed3 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR