beauty
cleaning
pharma

Menadione

CAS 34524-96-4

Also registered as 1 other CAS number

58-27-5

Concern score

Not assessed — no hazard data yet.

Menadione in plain language

What it is: Also known as 1,4-NAPHTHALENEDIONE, 2-METHYL · 2-Methylnaphthalene-1,4-dione · Menaphthone · Vitamin k 3 · Vitamin K3 · 1,4-Dihydro-1,4-dioxo-2-methylnaphthalene
Show all 29 names
1,4-Naphthalenedione, 2-methyl- · 1,4-Naphthalenedione, 2-methyl-; Vitamin K3 · 1,4-Naphthoquinone, 2-methyl- · 2-Methyl-1,4-naphthalenedione · 2-Methyl-1,4-naphthodione · 2-Methylnaphthoquinone · 2-methyl-1,4-naphthoquinone · 3-Methyl-1,4-naphthoquinone · Aquinone · Kayquinone · Kaergona · Kanone · Kappaxin · Kayklot · Kipca · Klottone · Kolklot · Menadion · Menaphthon · Panosine · Prokayvit · Thyloquinone · menaquinone
What it does: Used in cosmetics as a fragrance ingredient.
Fragrance
Deodorant
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

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

In marketed US drugs

Recorded in these product areas

Found in consumer products
Beauty
Cleaning

EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 2 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Deodorizer.
- EPA CPDat observed this chemical in 2 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Deodorizer.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 8 active drug products and 11 total products.
- FDA NDC lists this ingredient in 8 active drug products and 11 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 Menadione. 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 Menadione yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated April 2019
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA National Drug Code Directory
regulatory · updated 2029-01-04
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

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often FDA National Drug Code directory has listed Menadione in a product composition. These are source records, not Greenveil catalog products.

Source records

Typical roles

FragranceDeodorant

See products using Menadione →

Catalog

Found in these products

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

See all 155 →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Menadione in the catalog.