Tetrapotassium Etidronate
molecular structure · PubChem
AKA: 14860-53-8, Tetrapotassium (1-hydroxyethylidene)bisphosphonate, Phosphonic acid, Tetrapotassium salt, (1-Hydroxyethylidene)diphosphonic acid, Ethane-1-hydroxy-1, 1-diphosphonic acid
Synthetic
Chelating Agent
Not Clean
Tetrapotassium (1-hydroxyethylidene)bisphosphonate
Formula
C2H4K4O7P2
Mol. Weight
358.39
CAS #
14860-53-8
Form
Powder
State
Liquid; Other Solid
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
Binds metal ions
Traditional Use
Synthetic chelating agent developed in the 20th century for cosmetic formulations. Created to prevent mineral buildup and enhance product stability with no traditional background.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR