Also known as: (2E,4E)-Deca-2,4-dienal, 4-01-00-03566, BRN 1704897, EINECS 246-668-9, UNII-3G88X2RK09
INCI: TRANS, TRANS-2,4-DECADIENAL
Trans, Trans-2,4-Decadienal ⚠ (CAS 25152-84-5) is a cosmetic cosmetic ingredient functioning as Fragrance (fatty, oily, chicken fat odor). NOAEL 100 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
US NotesFEMA GRAS 3135 for flavor use only; IFRA prohibited for fragrance
For full compliance data across multiple jurisdictions, use the
Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trans, Trans-2,4-Decadienal ⚠.
Calculate MoS for your specific formulation with the
MoS Calculator.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Trans, Trans-2,4-Decadienal ⚠ across SCCS product categories, with measured dermal absorption where available.
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Regulatory (2)
JECFA Number
1190
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
2-trans,4-trans-DECADIENAL | 2003 | No safety concern at current levels of intake when used as a flavouring agent | TRS 922-JECFA 61/64 | FAS 52-JECFA 61/235
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Flavouring and nutrientFragrance
Regulatory List Membership (1)
FDA Substances Added to Food (EAFUS)
Expert Verdict
Expert safety assessment and concern-level summary for Trans, Trans-2,4-Decadienal ⚠.
Is Trans, Trans-2,4-Decadienal ⚠ safe in cosmetics?
Trans, Trans-2,4-Decadienal ⚠ has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.
Is Trans, Trans-2,4-Decadienal ⚠ allowed in the EU?
Trans, Trans-2,4-Decadienal ⚠ EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Trans, Trans-2,4-Decadienal ⚠ do in cosmetics?
Trans, Trans-2,4-Decadienal ⚠ functions as: Fragrance (fatty, oily, chicken fat odor). It is classified as a cosmetic ingredient in our database. CAS number: 25152-84-5.
Is Trans, Trans-2,4-Decadienal ⚠ used outside cosmetics?
Trans, Trans-2,4-Decadienal ⚠ also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Trans, Trans-2,4-Decadienal ⚠ have different safety status in cosmetics vs industrial chemicals?
Trans, Trans-2,4-Decadienal ⚠ is prohibited in EU cosmetics but has active industrial GHS classifications (H312, H315, H319, H335).
Compliance Tools
Check Trans, Trans-2,4-Decadienal ⚠ compliance across multiple jurisdictions:
Is Trans, Trans-2,4-Decadienal ⚠ in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Trans, Trans-2,4-Decadienal ⚠ in your formulation.