(2E,4E)-2,4-Dodecadienal(CAS: 21662-16-8)

(2E,4E)-2,4-Dodecadienal is a colorless liquid with a fruity, woody odor. It has a molecular weight of approximately 186.34 g/mol and is poorly soluble in water but soluble in organic solvents. This compound is known for its reactivity with alcohols and amines, making it useful in various chemical reactions.

(2E,4E)-2,4-Dodecadienal can be synthesized via Wittig reaction involving 2,4-dodecadienyltriphenylphosphonium bromide with appropriate alcohols. The reaction is performed under mild conditions with a high yield of up to 90%. Catalysts such as triphenylphosphine are commonly used to improve the selectivity of the product.

(2E,4E)-2,4-Dodecadienal is used in the fragrance and flavor industry to impart a fresh, woody note to perfumes and food products. It also finds applications in the textile and polymer industry as a modifier to improve the adhesive properties of resins and in the pharmaceutical industry as a precursor for certain medications.

When handling (2E,4E)-2,4-Dodecadienal, it is important to use personal protective equipment such as gloves, safety glasses, and a lab coat. Ensure the area is well-ventilated and use a fume hood to minimize inhalation exposure. Spills should be cleaned up immediately using appropriate absorbents. Refer to the safety data sheet (SDS) for detailed handling and emergency procedures.