murphyMetaphosphoric Acid
AKA: 37267-86-0, Phosphenic acid, Meta-Phosphoric acid, 10343-62-1
Synthetic
Chelating Agent
Acid
Not Clean
OriginDerived from phosphoric acid through partial dehydration, forming a polymeric inorganic compound. Synthesized by heating phosphoric acid to remove water molecules, creating metaphosphoric acid chains.
Phosphonate(1-) is a monovalent inorganic anion obtained by deprotonation of one of the two OH groups in phosphonic acid. It is a phosphorus oxoanion and a monovalent inorganic anion. It is a conjugate base of a phosphonic acid. It is a conjugate acid of a phosphonate(2-).
Formula
HO3P
Mol. Weight
79.98
CAS #
37267-86-0
Form
Liquid
State
Other Solid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Buffering
Chelating
Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.
Stabilizes pH
Removes Metal Ions
Antioxidant Protection
Locks In Moisture
Fights Bacteria
Maintains optimal pH
Binds metal ions
The paper trail
🔬Peer-reviewed1 paper →
⚖️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