Description

(2E,4Z)-Dodeca-2,4-Dienal CAS NO 21662-15-7 is a high-purity, unsaturated aliphatic aldehyde characterized by its specific (2E,4Z) geometric isomerism. This compound is a valuable flavor and fragrance intermediate, prized for its ability to impart unique green, fatty, and waxy notes. It is primarily sought after by manufacturers in the flavor and fragrance, food, and cosmetic industries for creating sophisticated aroma profiles and specialty chemical synthesis.

Application

• Flavor & Fragrance Industry: A key building block for synthesizing complex aroma chemicals, imparting green, citrus, and fatty nuances to perfumes, colognes, and air fresheners.
• Food Flavoring: Used in the creation of natural-tasting flavorings for beverages, confectionery, and dairy products, contributing to fresh, fruity, and creamy notes.
• Cosmetic & Personal Care: Incorporated as a fragrance component in lotions, soaps, shampoos, and other personal care formulations.
• Chemical Synthesis: Serves as a versatile intermediate in organic synthesis, particularly in Diels-Alder reactions and the production of other fine chemicals and pharmaceuticals.
• Research & Development: Utilized in academic and industrial R&D settings for studying odorant-receptor interactions and developing new sensory compounds.

Basic Information

Product Name	(2E,4Z)-Dodeca-2,4-Dienal
CAS No.	21662-15-7
Molecular Formula	C₁₂H₂₀O
Molecular Weight	180.29 g/mol
Synonyms	(2E,4Z)-2,4-Dodecadienal; trans,cis-2,4-Dodecadienal; 2,4-Dodecadienal, (2E,4Z)-; (E,Z)-2,4-Dodecadienal; Flavor ingredient 2,4-Dodecadienal; Dodeca-2,4-dienal; FEMA 3670
EINECS	244-530-7

Quality Control

Our (2E,4Z)-Dodeca-2,4-Dienal is produced under strict quality management systems. Each batch is analyzed to ensure high purity, correct isomeric ratio, and compliance with relevant industry standards for flavor and fragrance ingredients. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is easily oxidized (store under inert atmosphere) and light-sensitive (store away from light). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Isomeric Purity ((2E,4Z))	≥ 90.0%
Refractive Index (20°C)	1.480 - 1.490
Specific Gravity (20/20°C)	0.870 - 0.890

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.