Rhenium

CAS 7440-15-5

Concern score

Not assessed — no hazard data yet.

Rhenium in plain language

What it is: Also known as Re · Rhenium element · Elemental rhenium · 75Re · Rhenium Standard: Re @ 1000 microg/mL in 5% HNO3 · Rhenium ion(Re7 )
Show all 13 names
Rhenium pellets · Rhenium wire · elementar Rhenium · UNII-7YHU292INY · renio · rhenium atom · rhenium metal
What it does: We don't have a plain-language description for Rhenium yet.
Is it a concern?: We haven't assessed a concern score for this ingredient yet.

Regulation

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

In marketed US drugs

Recorded in these product areas

Found in consumer products
Industrial

USEPAcommercial use observedEPA CPDat observed this chemical in 36 composition records across product categories including Batteries, Construction and building materials.
- EPA CPDat observed this chemical in 36 composition records across product categories including Batteries, Construction and building materials.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 1 active drug products and 2 total products.
- FDA NDC lists this ingredient in 1 active drug products and 2 total products.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 Rhenium 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 2019-02-27
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.

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

Source records

BatteriesConstruction and building materials

See products using Rhenium →

Catalog

Found in these products

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

See all 35 →Find products without it →