Trans-2-dodecenal

Product Overview

Trans-2-dodecenal | CAS 20407-84-5 FEMA 2402 Citrus Flavor Ingredient

Product Overview

Trans-2-dodecenal (CAS 20407-84-5, FEMA 2402), also known as (E)-2-Dodecenal, is an aliphatic unsaturated aldehyde. It delivers distinct sweet mandarin, orange and waxy citrus aroma with subtle fatty undertones. This flavor compound naturally occurs in kumquat, ginger and peanut. Flavor creators rely on it to build authentic citrus top notes and add rich depth to fruit flavor systems. It also serves well in fine fragrance to craft bright, clean citrus accords for home care and cosmetic scents.

Physical & Chemical Properties

• Appearance: Colorless to pale yellow clear liquid
• CAS No.: 20407-84-5
• FEMA No.: 2402
• Molecular Formula: C₁₂H₂₂O
• Molecular Weight: 182.30
• Density: 0.842–0.852 g/mL at 20°C
• Refractive Index: 1.4540 – 1.4600
• Solubility: Insoluble in water; soluble in ethanol and flavor solvents
• Purity (GC): ≥90%

Application

1. Food flavor formulation: Build mandarin, orange and citrus profiles for beverages, fruit seasonings, confectionery and snack essences. It strengthens natural juicy citrus character.
2. Fragrance industry: Add sparkling citrus top notes for perfume, soap, laundry detergent and air freshener formulations.
3. Fine chemical research: Act as flavor reference standard and key intermediate for aroma compound study.

Storage Recommendation

Store Trans-2-dodecenal in cool, dark and dry warehouse space. Keep container fully sealed, limit air exposure, heat and direct sunlight to slow oxidation and aroma deterioration.

Product Specifications

Why Choose Taima Bio

Taima Bio supplies specialty ingredients with defined chemical specifications, full documentation (COA, TDS, MSDS), and reliable international supply. Our products serve food, beverage, confectionery, and flavor formulation customers worldwide, with flexible quantities from laboratory evaluation to commercial-scale packaging.