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InventoryRef 7543015/10/2010

DECENAL

(E)-4-decenal; (Z)-4-decenal; 4-Decenal (CAS 30390-50-2)

DECENAL is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

Chemical identity and properties

PubChem 2D chemical structure for CAS 21662-09-9
CAS 21662-09-9PubChem CID 5362620

4-Decenal, (4Z)-

4-Decenal is a monounsaturated fatty aldehyde. ChEBI

IUPAC name
(Z)-dec-4-enal
Molecular formula
C10H18O
Molecular weight
154.25 g/mol
Exact mass
154.135765193 Da
XLogP3
3.1
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

cis-4-Decenal(Z)-4-Decenal(4Z)-4-Decenal5R675PGU7K(Z)-4-Decen-1-alUNII-5R675PGU7KEINECS 244-514-54-DECENAL, CIS-
15 more reported names
(Z)-4-DECENAL [FCC]RefChem:98688CWRKZMLUDFBPAO-SREVYHEPSA-Ncis-4-Decen-1-al4Z-Decenal(4z)-dec-4-enal4-DECENAL, (Z)-4-cis-Decenalcis-4-Decenal, >=93%, stabilized, FGCAS-21662-09-9cis-4-Decenal (>90%)p-Hydroxydiphenylmethane carbamicCHEBI:90056Tox21_300829cis-4-Decenal, technical grade, 80%
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 30390-50-2
CAS 30390-50-2PubChem CID 61875

4-Decenal

4-Decenal has been reported in Porophyllum ruderale with data available. LOTUS - the natural products occurrence database

IUPAC name
dec-4-enal
Molecular formula
C10H18O
Molecular weight
154.25 g/mol
Exact mass
154.135765193 Da
XLogP3
3.1
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

RefChem:1070565641-403-74-decen-1-al(E)-4-decen-1-alDB-045659DB-054810
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 65405-70-1
CAS 65405-70-1PubChem CID 5702654

trans-4-Decen-1-al

IUPAC name
(E)-dec-4-enal
Molecular formula
C10H18O
Molecular weight
154.25 g/mol
Exact mass
154.135765193 Da
XLogP3
3.1
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

4-trans-Decenal4-Decenal, (4E)-FEMA No. 3264KZ74B5801JRefChem:1100239265-741-6trans-4-decenal(E)-4-Decenal
16 more reported names
(4E)-dec-4-enal4-Decenal, (E)-Dec-4-enaltrans-dec-4-enal(4e)-4-decenal4-Decene-1-alUNII-KZ74B5801Jtrans4-Decenal4E-decenalEINECS 265-741-6(e)-4-decena4-DECENAL [FHFI]4-DECENAL, TRANS-FEMA 3264CWRKZMLUDFBPAO-UHFFFAOYSA-NAS-92363
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for DECENAL

INCI name

DECENAL

Description

(E)-4-decenal; (Z)-4-decenal; 4-Decenal (CAS 30390-50-2)

Record provenance

Inventory reference
75430
Imported identity
DECENAL
Source update
15/10/2010
European Commission CosIng source notes

Key data

CAS
65405-70-1 / 21662-09-9 / 30390-50-2
EC
265-741-6 / 244-514-5 / -
Restriction
Function
FRAGRANCE
Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
PERFUMING
Used for perfume and aromatic raw materials.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How DECENAL appears in the CosIng inventory

The CosIng inventory lists DECENAL as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

DECENAL is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

DECENAL is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, DECENAL carries the following function designation(s):

CAS 65405-70-1 / 21662-09-9 / 30390-50-2 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for DECENAL

This page reproduces the CosIng inventory entry for DECENAL from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research DECENAL and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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