Description

(E,E)-2,4-Dodecadienal is a high-purity, unsaturated aliphatic aldehyde characterized by its distinctive fatty, citrus-like aroma. This compound is a key flavor and fragrance intermediate prized for its potent organoleptic properties and versatility in synthesis. It is essential for manufacturers in the flavor & fragrance, food, and cosmetic industries seeking to create or enhance specific sensory profiles. The product is supplied as (E,E)-2,4-Dodecadienal CAS NO 21662-16-8, ensuring precise chemical identity for formulation and regulatory compliance.

Application

• Flavor & Fragrance Formulation: A primary building block for creating and replicating citrus, fatty, and waxy notes in perfumes, colognes, and air fresheners.
• Food Flavoring Agent: Used as a synthetic flavoring substance to impart or enhance citrus and mandarin-like flavors in beverages, confectionery, and dairy products.
• Cosmetic & Personal Care: Incorporated as a fragrance ingredient in soaps, lotions, shampoos, and other personal care products.
• Chemical Synthesis: Serves as a valuable intermediate or starting material in organic synthesis, particularly for producing more complex aroma chemicals.
• Research & Development: Used in analytical laboratories as a reference standard for GC-MS or HPLC analysis in flavor, fragrance, and quality control applications.

Basic Information

Product Name	(E,E)-2,4-Dodecadienal
CAS No.	21662-16-8
Molecular Formula	C₁₂H₂₀O
Molecular Weight	180.29 g/mol
Synonyms	trans,trans-2,4-Dodecadienal; (2E,4E)-2,4-Dodecadienal; 2,4-Dodecadienal, (E,E)-; Dodeca-2,4-dienal; (E,E)-2,4-Dodecadien-1-al; Flavoring agent A-13-D; FEMA 3670
EINECS	244-528-8

Quality Control

Our (E,E)-2,4-Dodecadienal is produced and tested under a strict quality management system. Each batch is analyzed to ensure it meets stringent specifications for identity, purity, and olfactory profile, relevant for flavor and fragrance applications. Certificates of Analysis (COA) detailing purity, isomer content, and other critical parameters are provided with every shipment to guarantee consistency and support your quality assurance protocols.

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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation of quality. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
(E,E)-Isomer Content (GC)	≥ 90.0%
Refractive Index (20°C)	1.485 - 1.495
Specific Gravity (20/20°C)	0.860 - 0.880

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