Calcium Phosphate
AKA “CALCIUM PHOSPHATE MONOBASIC, Calcium dihydrogen phosphate, Acid calcium phosphate, Monobasic calcium phosphate, Monocalcium orthophosphate, Calcium bis(dihydrogen phosphate), Primary calcium phosphate, Calcium monobasic phosphate
Synthetic
Ingredient Facts
Calcium phosphate
AKA: CALCIUM PHOSPHATE MONOBASIC, Calcium dihydrogen phosphate, Acid calcium phosphate, Monobasic calcium phosphate, Monocalcium orthophosphate, Calcium bis(dihydrogen phosphate), Primary calcium phosphate, Calcium monobasic phosphate
Synthetic · Abrasive · EWG: 1
Synthetic
Synthetic
Clean
A gentle mineral powder that helps remove plaque and polish teeth while keeping toothpaste at the right texture and consistency.
Effective at 24.65%
Solubility Solubility: Cold water 1.8 g/100 cc @ 30 °C; decomposes in hot water. /Calcium phosphate monobasic monohydrate/
Formula
CaH4O8P2
Mol. Weight
234.05
CAS #
7758-23-8, 10103-46-5
Form
Powder
State
NKRA; Dry Powder, Pellets or Large Crystals; Pellets or Large Crystals; Dry Powder
See origin →
Functions
Abrasive
Antiplaque
Buffering
Bulking
Oral Care
Viscosity Controlling
Physical Exfoliant
Fights Plaque
Stabilizes pH
Adds Body & Volume
Antioxidant Protection
Reduces Inflammation
Wound Healing
Traditional Use
Used historically in traditional medicine as a mineral supplement. In cosmetics, developed as a conditioning agent and bulking ingredient in modern formulations.
Skin Types
all-skin-types, gentle
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
0.3%
49.0%
0%69%
Effective Range
CIR reported use: 0.3-47.7 | 6.8-49
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR