Trisodium HEDTA
molecular structure · PubChem
AKA: N-(2-Hydroxyethyl)ethylenediaminetriacetic acid, Heedta, Versenol, Versenol 120, (2-Hydroxyethyl)ethylenediaminetriacetic acid, Hydroxyethylethylenediaminetriacetic acid, Caswell No. 487B, N-(Hydroxyethyl)ethylenediaminetriacetic acid, 2-Hydroxyethylenediamine triacetate
Synthetic
Chelating Agent
Clean
Trisodium 2-(carboxylatomethyl(2-hydroxyethyl)amino)ethyliminodi(acetate)
Solubility Insoluble in most organic solvents
Formula
C10H18N2O7
Mol. Weight
278.26
CAS #
139-89-9
Form
Powder
State
Dry Powder; Liquid
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
Developed in the mid-20th century as a synthetic chelating agent for cosmetic formulations. Designed as an alternative to EDTA to improve biodegradability while preserving cosmetic stability and preventing metal ion oxidation.
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