AKA: 14860-53-8, Tetrapotassium (1-hydroxyethylidene)bisphosphonate, Phosphonic acid, Tetrapotassium salt, (1-Hydroxyethylidene)diphosphonic acid, Ethane-1-hydroxy-1, 1-diphosphonic acid
WHAT IS IT? Synthetic
Chelating Agent
Not Clean
Origin Synthesized from etidronic acid (1-hydroxyethylidene-1,1-diphosphonic acid) and potassium hydroxide as starting materials. Produced through acid-base neutralization reaction where potassium hydroxide neutralizes etidronic acid to form the potassium salt.
Tetrapotassium (1-hydroxyethylidene)bisphosphonate
IS IT FOR ME? Pregnancy & Breastfeeding Safe
Caution
WHAT’S IT DO? Functions
Chelating
Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.
CAN I TRUST THIS? The paper trail
🔬 Peer-reviewed none on file
🛡️ Safety-assessed 1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
IS IT CLEAN? Concentration Guide
0% 50% 100%
CIR reported use · 2015 survey
Regulatory Status
JAPAN ✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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