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Tricalcium silicate

CAS 12168-85-3

Also registered as 4 other CAS numbers

12285-92-6 · 12590-23-7 · 29171-41-3 · 2276761-40-9

Concern score

Not assessed — no hazard data yet.

Tricalcium silicate in plain language

What it is

Also known as Alite · Calcium oxide silicate (CA3O(SIO4)) · Calcium silicate (3CAO.SIO2) · Calcium silicate (CA3O(SIO4)) · Calcium silicate (CA3SIO5) · Calcium silicon oxide (CA3SIO5)

Show all 14 names

Calcium orthosilicate--(oxido)calcium (2/1/1) · Silicic acid (H6SIO5), calcium salt (1:3) · Silicic acid (H6SIO5), tricalcium salt · Tricalcium silicon pentaoxide · Calcium oxide silicate, · Pentaoxyde de tricalcium et de silicium · calcium silicon oxide · pentaoxido de tricalcio y silicio

What it does

We don't have a plain-language description for Tricalcium silicate yet.

Recorded functional uses: Binder · Cement - raw material

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Tricalcium silicate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 165 composition records across product categories including Construction, Construction and building materials, Road vehicles. EPA CPDat classifies this chemical for functional uses including Binder, cement - raw material.
    • EPA CPDat observed this chemical in 165 composition records across product categories including Construction, Construction and building materials, Road vehicles. EPA CPDat classifies this chemical for functional uses including Binder, cement - raw material.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Tricalcium silicate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Tricalcium silicate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated may 24, 2017

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Tricalcium silicate in a product composition. These are source records, not Greenveil catalog products.

Source records

165

Named organisations

4

ConstructionConstruction and building materialsRoad vehiclesHome maintenancePersonal care

Typical roles

BinderCement - raw material
See products using Tricalcium silicate →