Potassium

CAS 7440-09-7

Also registered as 1 other CAS number

31079-13-7

Concern score

Not assessed — no hazard data yet.

Potassium in plain language

What it is: Also known as K · Potassium metal · Elemental potassium · 19K · ICP standard potassium 2-5% HNO3 1000 microg/mL · Kalium
Show all 23 names
Potassium (NOS) · Potassium - K @ 1000 microg/g in Hydrocarbon Oil · Potassium - K @ 5000 microg/g in Hydrocarbon Oil · Potassium Standard: K @ 1000 microg/mL in 5% HNO3 · Potassium Standard: K @ 10000 microg/mL in 5% HNO3 · Potassium Standard: K+ @ 1000 microg/mL in H2O · Potassium(1+) ion · Un 1420 · Un 2257 · potasio · potassium % wt: 1000 ppm · potassium % wt: 400 ppm · potassium %: 50 ppm · potassium (5000 ug/ml in product) · potassium (metal (k)) · potassium (sara 313) (cercla) · potassium atom
What it does: We don't have a plain-language description for Potassium yet.
Is it a concern?: We haven't assessed a concern score for this ingredient yet.

Regulation

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

In marketed US drugs

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Pharma
Food
Industrial

USEPAcommercial use observedEPA CPDat observed this chemical in 116 composition records across product categories including Laboratory supplies, Specialty occupational products, Construction and building materials.
- EPA CPDat observed this chemical in 116 composition records across product categories including Laboratory supplies, Specialty occupational products, Construction and building materials.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 4 active drug products and 5 total products.
- FDA NDC lists this ingredient in 4 active drug products and 5 total products.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 Potassium. 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.
JECFA
Joint FAO/WHO Expert Committee on Food Additives
No JECFA evaluation on file.
EFSA
European Food Safety Authority
No EFSA opinion on file.

Evidence & sources

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

6 data sources

Where this comes from

EPA Chemical and Products Database
exposure · updated September 2013
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA National Drug Code Directory
regulatory · updated 2027-11-18
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.

Food use

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.

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

Source records

116

Named organisations

Laboratory suppliesSpecialty occupational productsConstruction and building materialsHome maintenanceRaw materialsFood and drug

See products using Potassium →

Catalog

Found in these products

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

See all 1000+ →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Potassium in the catalog.