Calcium hexametaphosphate
10102-76-8 · Calcium hexametaphosphate · Metaphosphoric acid (H6P6O18), calcium salt · Tricalcium 2,4,6,8,10,12-hexaoxo-2lambda~5~,4lambda~5~,6lambda~5~,8lambda~5~,10lambda~5~,12lambda~5~-cyclohexaphosphoxane-2,4,6,8,10,12-hexakis(olate) · Calcium hexametaphosphateCalcium hexametaphosphate is a sequestrant and emulsifying salt, tying up metal ions and helping proteins hold water.
Where it is and isn’t permitted
| Jurisdiction | Status | Scope and limits | Citation |
|---|---|---|---|
| United States | Permitted | 21 CFR 182.6203retrieved 2026-09-07 | |
| Codex Alimentarius | Not listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited. |
What it is made from
Produced by heating calcium phosphate into a long-chain polyphosphate glass.
- Vegan
- Vegetarian
- InChIKey
- KRSIWAJXDVVKLZ-UHFFFAOYSA-H
- PubChem
- CID 61479
Every name it appears under
5 recorded names. A label may use any of them.
CAS registry number
- 10102-76-8
As it appears in regulation
- Calcium hexametaphosphate
Other names
- Calcium hexametaphosphate
- Metaphosphoric acid (H6P6O18), calcium salt
Systematic names
- Tricalcium 2,4,6,8,10,12-hexaoxo-2lambda~5~,4lambda~5~,6lambda~5~,8lambda~5~,10lambda~5~,12lambda~5~-cyclohexaphosphoxane-2,4,6,8,10,12-hexakis(olate)
Hazard reference values
No reference value for this substance in the sources we hold.
Evidence and how bodies read it
Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.
Sources for this page
- ecfr retrieved 2026-09-07
Full licence terms and publisher details on Sources. How this page is built and updated: Method.
Machine-readable:/api/v1/additives/calcium-hexametaphosphate.json