Is Trimethyl-4,9-decadienal safe in cosmetics?
Trimethyl-4,9-decadienal has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Trimethyl-4,9-decadienal
INCI: TRIMETHYL-4,9-DECADIENAL
Trimethyl-4,9-decadienal (CAS 32803-39-7) is a cosmetic cosmetic ingredient functioning as Perfuming / Fragrance ingredient (floral, aldehydic, powdery, citrus odor). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 32803-39-7 →
Auto-generated CPSR Part A draft with source citations
Function
Perfuming / Fragrance ingredient (floral, aldehydic, powdery, citrus odor)
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
2,5,9-trimethyldeca-4,9-dienal
InChIKey
MINJGYRWHNAENM-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted for cosmetic use as fragrance component; no specific restriction
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trimethyl-4,9-decadienal.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Expert Verdict
Expert safety assessment and concern-level summary for Trimethyl-4,9-decadienal.
Regulatory Flags
fragrance-component
Chemical Function
Fragrance
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Trimethyl-4,9-decadienal allowed in the EU?
Trimethyl-4,9-decadienal EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trimethyl-4,9-decadienal do in cosmetics?
Trimethyl-4,9-decadienal functions as: Perfuming / Fragrance ingredient (floral, aldehydic, powdery, citrus odor). It is classified as a cosmetic ingredient in our database. CAS number: 32803-39-7.
Is Trimethyl-4,9-decadienal used outside cosmetics?
Trimethyl-4,9-decadienal also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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