beauty
cleaning
food
industrial

3,7-Dimethyl-2,6-octadienal

CAS 5392-40-5

Also registered as 7 other CAS numbers

8022-94-4 · 37350-34-8 · 96680-15-8 · 250599-19-0 · 433282-33-8 · 1392408-16-0 · 2321523-57-1

Concern score

Not assessed — no hazard data yet.

3,7-Dimethyl-2,6-octadienal in plain language

What it is: Also known as Citral · 3,7-Dimethylocta-2,6-dienal · Citral (E109) · Citral pq extra · Lemarome n · Lemsyn gb
Show all 11 names
Litsea cubeba oil terpeneless · 3,7-Dimethyl-2,6-octadien-1-al · 3,7-dimethyl-2,6- octadienal · Citral extra · grapefruit extract
What it does: Used in consumer products as a fragrance ingredient, a flavouring and a deodorant.
Fragrance
Flavouring
Deodorant
Antimicrobial
Is it a concern?: We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. 3,7-Dimethyl-2,6-octadienal appears in these published regulatory listings.

In marketed US drugs

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Industrial

GLOBALJECFAEvaluatedJECFA evaluation record.
- JECFA evaluation record.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 4128 composition records across product categories including Cleaning products and household care, Laboratory supplies, Personal care. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient, No specific technical function.
- EPA CPDat observed this chemical in 4128 composition records across product categories including Cleaning products and household care, Laboratory supplies, Personal care. EPA CPDat classifies this chemical for functional uses including Fragrance, Flavouring and nutrient, No specific technical function.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 4 drug products and 4 package presentations.
- FDA NDC lists this ingredient in 4 drug products and 4 package presentations.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
- openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

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
- JECFA evaluation record.
  Year not recorded · GLOBAL JECFA listing · Read the source →
EFSA
European Food Safety Authority
No EFSA opinion on file.

Evidence & sources

No graded research studies for 3,7-Dimethyl-2,6-octadienal 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 october 26, 2021
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA National Drug Code Directory
regulatory · updated 2027-09-22
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
WHO JECFA Database
regulatory · updated 2026-10-04
Open →
openFDA Substance
registry · updated 2026-05-24
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

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 EPA CPDat has listed 3,7-Dimethyl-2,6-octadienal in a product composition. These are source records, not Greenveil catalog products.

Source records

4,128

Named organisations

Cleaning products and household careLaboratory suppliesPersonal careVehicleConstructionMedical/dental

Typical roles

FragranceFlavouringDeodorantAntimicrobial

See products using 3,7-Dimethyl-2,6-octadienal →

Catalog

Found in these products

Their ingredient lists include 3,7-Dimethyl-2,6-octadienal; 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 3,7-Dimethyl-2,6-octadienal in the catalog.