AKA: 7758-87-4, Synthos, Tricalcium diphosphate, Calcium orthophosphate, Phosphoric acid, Calcium salt (2:3), Tricalcium orthophosphate, Calcigenol simple, Tertiary calcium phosphate, Tribasic
Originmany nutritional supplements. ... However,
Tricalcium bis(orthophosphate)
State
Calcium phosphate is an odorless white solid. Sinks and mixes with water. (USCG, 1999)
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 710)
Mixed Skin Irritation Results
3 studies / 1 irritating / 2 not irritating / reactions slight (CIR 710)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2015 survey
Regulatory Status
JAPAN⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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