Dicalcium Phosphate

AKA: 7757-93-9, CALCIUM HYDROGEN PHOSPHATE, Calcium phosphate dibasic, Calcium hydrogenphosphate, Dibasic calcium phosphate, Dibasic, Secondary Calcium phosphate, Biofos, Phosphoric acid, Calcium salt (1:1)
Synthetic
Clean
OriginProduced from calcium and phosphate compounds, typically derived from phosphoric acid and calcium sources. Synthesized through chemical reaction of calcium salts with phosphate in controlled aqueous or thermal conditions.
Calcium hydrogenorthophosphate
Solubility Sparingly soluble in water. Insoluble in ethanol
Formula
CaHO4P
Mol. Weight
136.06
CAS #
7757-93-9
Form
Powder
State
Dry Powder, Pellets or Large Crystals; Pellets or Large Crystals; Other Solid; Dry Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Abrasive
Bulking
Opacifying
Oral Care
Physical Exfoliant
Adds Body & Volume
Adds Opacity
Antioxidant Protection
Reduces Inflammation
Brightens Skin
Gently polishes surface
Supports dental health
Adds volume
Creates creamy opacity
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
Not a Skin Irritant
2 studies / 2 not irritating (CIR 710)
Mixed Eye Irritation Results
3 studies / 1 irritating / 2 not irritating / reactions slight (CIR 710)
Concentration Guide
Leave-on0.04–10%
Rinse-off0.000099–47.7%
0%50%100%
CIR reported use · 2015 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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