Zinc Phosphate
AKA “Phosphoric acid, zinc salt (2:3), tetrahydrate, RefChem:862782, 616-223-7, Zinc phosphate tetrahydrate, 7543-51-3, Hopeite, trizinc;diphosphate;tetrahydrate, ZINCPHOSPHATETETRAHYDRATE, MFCD00150401, 54S8C1184Z
Ingredient
Ingredient Facts
Zinc phosphate
AKA: Phosphoric acid, Zinc salt (2:3), Tetrahydrate, RefChem:862782, 616-223-7, Zinc phosphate tetrahydrate, 7543-51-3, Hopeite, Trizinc;diphosphate;tetrahydrate, ZINCPHOSPHATETETRAHYDRATE, MFCD00150401, 54S8C1184Z
Ingredient · Antiplaque · EWG: 4
Synthetic
Not Clean
Hopeite is a mineral with formula of Zn2+3(PO4)2·4H2O or Zn3(PO4)2·4H2O. The IMA symbol is Hop.
Formula
H8O12P2Zn3
Mol. Weight
458.10
CAS #
7543-51-3
Form
Powder
See origin →
Functions
Antiplaque
Stabilizes pH
Oral Care
Fights Bacteria
Anti-Aging Benefits
Reduces Inflammation
Supports dental health
Maintains optimal pH
Traditional Use
An inorganic zinc compound with historical medicinal use. Employed in modern cosmetics as an absorbent and astringent, particularly in deodorants and oil-control products.
Skin Types
all-skin-types
Best For
Acne
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR