Is Trans, Trans-Nona-2,4-Dienal ⚠ safe in cosmetics?
Trans, Trans-Nona-2,4-Dienal ⚠ has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.
Poor
Cosmetic Ingredient
Trans, Trans-Nona-2,4-Dienal ⚠
INCI: TRANS, TRANS-NONA-2,4-DIENAL
Trans, Trans-Nona-2,4-Dienal ⚠ (CAS 5910-87-2) is a cosmetic cosmetic ingredient functioning as Fragrance (strong fatty, floral odor). 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.
View industrial chemical safety profile for CAS 5910-87-2 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Trans, Trans-Nona-2,4-Dienal ⚠ is prohibited in EU cosmetics but has active industrial GHS classifications (H317).
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Fragrance (strong fatty, floral odor)
Safety Rating
POOR
Chemistry & Identifiers
IUPAC Name
(2E,4E)-nona-2,4-dienal
InChIKey
ZHHYXNZJDGDGPJ-BSWSSELBSA-N
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
FEMA GRAS 3212 for flavor only; IFRA prohibited for all fragrance categories (0% limit)
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-Nona-2,4-Dienal ⚠.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Flavouring and nutrient
Fragrance
Expert Verdict
Expert safety assessment and concern-level summary for Trans, Trans-Nona-2,4-Dienal ⚠.
Regulatory Flags
fragrance-component
Chemical Function
Fragrance
Flavouring and nutrient
Regulatory Lists
detected; Toys and children's products
detected; Toys and children's products
Europe
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL4074177
Frequently Asked Questions
Is Trans, Trans-Nona-2,4-Dienal ⚠ allowed in the EU?
Trans, Trans-Nona-2,4-Dienal ⚠ EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Trans, Trans-Nona-2,4-Dienal ⚠ do in cosmetics?
Trans, Trans-Nona-2,4-Dienal ⚠ functions as: Fragrance (strong fatty, floral odor). It is classified as a cosmetic ingredient in our database. CAS number: 5910-87-2.
Is Trans, Trans-Nona-2,4-Dienal ⚠ used outside cosmetics?
Trans, Trans-Nona-2,4-Dienal ⚠ 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-Nona-2,4-Dienal ⚠ have different safety status in cosmetics vs industrial chemicals?
Trans, Trans-Nona-2,4-Dienal ⚠ is prohibited in EU cosmetics but has active industrial GHS classifications (H317).
Compliance Tools
Check Trans, Trans-Nona-2,4-Dienal ⚠ compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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TRANS, TRANS-NONA-2,4-DIENAL
Good
Chemical family
Perfuming
TRACHELOSPERMUM JASMINOIDES EXTRACT
Good
Browse nearby
Skin Conditioning
TRAMETES VERSICOLOR EXTRACT
Good
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Hair Conditioning
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