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  • cleaning
  • industrial

Cesium

CAS 7440-46-2

Also registered as 2 other CAS numbers

24347-12-4 · 1093650-97-5

Cesium chemical structure

Concern score

Not assessed — no hazard data yet.

Cesium in plain language

What it is

Also known as Elemental cesium · CESIUM-133 · Caesium · 55Cs · Atomic Cesium · Caesium 133

Show all 19 names

Casium · Cesium Standard: Cs @ 1000 microg/mL in 5% HNO3 · Cesium Standard: Cs @ 10000 microg/mL in 5% HNO3 · Cesium atom · Cesium element · Element Cesium · Un 1407 · Zaesium · Zasium · caesium atom · cesio · cesium metal · cs

What it does

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

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

Regulation

No restrictions found. Cesium appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 22 composition records across product categories including Cleaning and safety, Batteries, Raw materials.
    • EPA CPDat observed this chemical in 22 composition records across product categories including Cleaning and safety, Batteries, Raw materials.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

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

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2020-08-31

    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 →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    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 Cesium in a product composition. These are source records, not Greenveil catalog products.

Source records

22

Named organisations

2

Cleaning and safetyBatteriesRaw materials
See products using Cesium →

Catalog

Found in these products

Their ingredient lists include Cesium; each product's own rating depends on its whole formula, so it is shown on the product page, not here.