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
Potential skin sensitizer; RIFM safety assessment established a NESIL of 7,000 µg/cm² and a reference dose of 0.6 mg/kg/day with 40% predicted dermal absorption. Unsaturated aldehyde with a characteristic fatty, deep-fried, waxy aroma; naturally occurring in many cooked foods; used at very low concentrations (typically 0.2-1% in skincare, up to 15-30% in fine fragrances as part of fragrance blends)
Regulatory Flags
Frequently Asked Questions
Is Decadienal safe in cosmetics?
Potential skin sensitizer; RIFM safety assessment established a NESIL of 7,000 µg/cm² and a reference dose of 0.6 mg/kg/day with 40% predicted dermal absorption. Unsaturated aldehyde with a characteristic fatty, deep-fried, waxy aroma; naturally occurring in many cooked foods; used at very low concentrations (typically 0.2-1% in skincare, up to 15-30% in fine fragrances as part of fragrance blends) The EU classifies Decadienal as "permitted". Safety rating: MODERATE.
Is Decadienal allowed in the EU?
Decadienal EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Decadienal do in cosmetics?
Decadienal functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 25152-84-5 (trans,trans-2,4-decadienal); also referenced as 2363-88-4.
What is the Margin of Safety for Decadienal?
not established 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 Decadienal compliance across multiple jurisdictions:
Related Ingredients
Is 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 Decadienal in your formulation.