(2E,4E)-deca-2,4-dienal is a polyunsaturated fatty aldehyde that is decanal which has undergone formal dehydrogenation to introduce trans- double bonds at the 2-3 and 4-5 positions.
Definition
(2E,4E)-deca-2,4-dienal is a polyunsaturated fatty aldehyde that is decanal which has undergone formal dehydrogenation to introduce trans- double bonds at the 2-3 and 4-5 positions. A product of lipid peroxidation in cell membranes and a component of cooking oil fumes. It has a role as a nematicide and an apoptosis inducer.
Source: PubChem
US FDA substance register · UNII 3G88X2RK09 · registered name 2,4-DECADIENAL, (2E,4E)- · single chemical substance
Cosmetic roles
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 2363-88-4
- EC No.EU chemical inventory number
- 219-114-9
- DTXSIDUS EPA chemical ID
- DTXSID4047626
- DTXCIDUS EPA compound ID
- DTXCID2027626
- IUPAC
- Deca-2,4-dienal
- Molecular formula
- C10H16O
- Molecular weight
- 152.237 g/mol
Measured properties
- Appearance
- Pale yellow to dark brown liquid with a buttery, fatty, orange odor, [Advanced BioTech MSDS] Strong green odor, Odor like sweet oranges at high concentrations, [Citrus and Allied Essences MSDS] · Yellow liquid, powerful, oily, like chicken fat
- Boiling point
- 104 °C
- Solubility
- soluble in fixed oils, Insoluble in water · soluble (in ethanol)
- Density
- 0.866-0.876
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 2 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Flavouring and nutrient1
- Fragrance1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 1 studies
- SkinIrr2
Skin Irritation · QSAR Predicted
Source: US EPA CompTox dashboard
Related literature
- Unlocking the anatomical code of flavor and lipids in grass carp (Ctenopharyngodon idellus) fish oil from different tissue parts by SPME-GC-MS, molecular docking, and lipidomics. · 2026
- GC-MS Analysis, phytochemical characterization, antioxidant, antifungal, and antimicrobial activities of Carthamus tinctorius oil · 2024
- Effect of NaCl on volatile flavor compounds and water distribution in pig skin jelly · 2023
- Characterization of aroma profiles of chinese four most famous traditional red-cooked chickens using GC-MS, GC-IMS, and E-nose. · 2023
- RIFM fragrance ingredient safety assessment, 4,8-decadienal, (4Z,8Z)-, CAS Registry Number 1958027-35-4. · 2021