Trimagnesium Phosphate
AKA “magnesium phosphate, Phosphoric acid, magnesium salt, 10043-83-1, newberyte, RefChem:925189, trimagnesium orthophosphate, DTXSID20904278, 233-142-9, 680-895-8, 684-534-5
Ingredient
Ingredient Facts
Trimagnesium phosphate
AKA: Phosphoric acid, Magnesium salt, 10043-83-1, Newberyte, RefChem:925189, Trimagnesium orthophosphate, DTXSID20904278, 233-142-9, 680-895-8, 684-534-5
Ingredient · Anticaking · EWG: 4
Synthetic
Not Clean
Trimagnesium bis(orthophosphate)
Solubility INSOL IN COLD OR HOT WATER; INSOL IN LIQUID AMMONIA; SOL IN AMMONIUM SALT SOLN
Formula
Mg3O8P2
Mol. Weight
262.86
CAS #
7757-87-1
Form
Powder
State
NKRA
See origin →
Functions
Anticaking
Bulking
Opacifying
Prevents Clumping
Adds Body & Volume
Adds Opacity
Adds volume
Creates creamy opacity
Traditional Use
A mineral salt developed as an anti-caking agent and absorbent in cosmetics. Used in powders and dry formulations to improve texture and prevent clumping.
Skin Types
all-skin-types
Best For
General
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