Calcium Phosphate

AKA: 7758-23-8, CALCIUM PHOSPHATE MONOBASIC, Calcium dihydrogen phosphate, Acid calcium phosphate, Monobasic calcium phosphate, Monocalcium orthophosphate, Calcium bis(dihydrogen phosphate), Primary calcium phosphate, Calcium monobasic phosphate, Calcium phosphate (1:2)
Synthetic
Clean
OriginProduced from phosphoric acid and calcium compounds through chemical synthesis or precipitation reactions. Created by combining calcium salts with phosphate sources to form the mineral compound.
Calcium bis(dihydrogenorthophosphate)
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
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Abrasive
Antiplaque
Buffering
Bulking
Oral Care
Viscosity Controlling
Physical Exfoliant
Fights Plaque
Stabilizes pH
Adds Body & Volume
Antioxidant Protection
Reduces Inflammation
Wound Healing
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Mixed Skin Irritation Results
3 studies / 1 irritating / 2 not irritating / reactions mild (CIR 710)
Mixed Eye Irritation Results
2 studies / 1 irritating / 1 mixed / reactions moderate (CIR 710)
Concentration Guide
Leave-on0.0001%
Rinse-offNot reported
0%50%100%
CIR reported use · 2015 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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