Description

(5E,7Z)-5,7-Dodecadienal CAS NO 75539-65-0 is a high-purity, unsaturated aliphatic aldehyde characterized by its specific conjugated diene geometry. This compound is a valuable synthetic intermediate and flavor/fragrance ingredient due to its unique chemical structure and reactivity. It is primarily sought by manufacturers in the flavor & fragrance, pharmaceutical, and fine chemical synthesis industries for creating complex molecules and specific organoleptic profiles.

Application

• Flavor and Fragrance (F&F) Industry: A key building block for the synthesis of complex aroma chemicals, contributing green, fatty, or waxy notes to fragrance compositions and food flavorings.
• Pheromone and Semiochemical Synthesis: Serves as a critical intermediate in the production of insect pheromones for agricultural pest management strategies.
• Pharmaceutical Intermediates: Used in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules, leveraging its reactive aldehyde and diene functionalities.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D for Diels-Alder reactions, cross-coupling, and other carbon-carbon bond-forming transformations.
• Specialty Chemical Manufacturing: Employed in the production of specialty surfactants, polymers, and other advanced materials where its specific chain length and unsaturation are required.

Basic Information

Product Name	(5E,7Z)-5,7-Dodecadienal
CAS No.	75539-65-0
Molecular Formula	C₁₂H₂₀O
Molecular Weight	180.29 g/mol
Synonyms	trans-5,cis-7-Dodecadienal; (E5,Z7)-Dodecadienal; 5-trans-7-cis-Dodecadienal; Dodeca-5E,7Z-dienal; 5,7-Dodecadien-1-al (mixed isomers); Flavor & Fragrance intermediate FEMA 3642; Insect pheromone intermediate
EINECS	Contact for details

Quality Control

Our (5E,7Z)-5,7-Dodecadienal is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and isomeric specificity. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided to guarantee consistency and traceability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area, away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Isomeric Ratio (5E,7Z)	≥ 90.0%
Water Content (KF)	≤ 0.5%

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