trans,trans-2,4-Heptadienal(CAS#4313-03-5)
| Risk Codes | R22 - Harmful if swallowed R24 - Toxic in contact with skin R38 - Irritating to the skin |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2810 6.1/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-23 |
| HS Code | 29121900 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
Introduction
(E,E)-2,4-heptadienal. The following is an introduction to the properties, uses, preparation methods, and safety information of this compound:Quality:(E,E)-2,4-heptadienal is a colorless to pale yellow liquid with a special aromatic odor. It is soluble in many organic solvents such as ethanol, chloroform, and methylene chloride.Use:(E,E)-2,4-heptadienal has a wide range of applications in chemical synthesis. It can be used as a synthetic raw material for flavors and has good aroma properties.Method:(E,E)-2,4-heptadienal can be obtained by synthesis of hydrogen compounds and then partial oxidation. The specific preparation method is usually by synthesizing (E,E)-2,4-heptadienol and then oxidizing it to the corresponding aldehyde.Safety Information:(E,E)-2,4-heptadienal is generally safe under normal use conditions. As an organic compound, it is still somewhat dangerous. It can irritate the eyes and respiratory system and should be used with appropriate protective gear such as gloves and goggles. Avoid contact with skin and inhalation of vapors. It should be stored in a cool, dry place, away from heat and fire.
Application
trans,trans-2,4-Heptadienal (CAS 4313-03-5, FEMA 3164) is an unsaturated aldehyde with a distinctive fatty, sweet, green, and fruity aroma profile exhibiting spicy undertones and notes of citrus and melon. It is widely used as a flavoring agent in the food industry to impart creamy, fatty, and citrus peel notes to meat products (chicken, beef, fish), baked goods, snacks, and candies. As a fragrance chemical, this volatile compound functions as a freshness modifier and aromatic component in perfumes, colognes, cosmetics, soaps, and detergents, where its unique fatty-green character enhances scent complexity and diffusive power. The compound also serves as a versatile building block for organic synthesis, natural product development, and pharmaceutical intermediates, and is utilized in plant biology research related to signaling and defense mechanisms. High-purity trans,trans-2,4-Heptadienal is available with full analytical support and flexible contract manufacturing, scaled from R&D to commercial volumes. Contact us for a competitive quote and reliable global supply.







