Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Aldehyde reactivity — potential for Schiff base formation with skin proteins; monitor oxidation/stability in formulation; use within IFRA guidelines
Regulatory Flags
Frequently Asked Questions
Is Trimethyl-4,9-decadienal safe in cosmetics?
Aldehyde reactivity — potential for Schiff base formation with skin proteins; monitor oxidation/stability in formulation; use within IFRA guidelines The EU classifies Trimethyl-4,9-decadienal as "permitted". Safety rating: MODERATE.
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.
What is the Margin of Safety for Trimethyl-4,9-decadienal?
adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check Trimethyl-4,9-decadienal compliance across multiple jurisdictions:
Related Ingredients
Is Trimethyl-4,9-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.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Trimethyl-4,9-decadienal in your formulation.