This section focuses on an overview of trans,trans-2,4-decadienal (2-trans,4-trans-decadienal), as well as its manufacturing processes and uses. Also, please check out the introduction to trans,trans-2,4-decadienal manufacturers, supply chain issues, trans,trans-2,4-decadienal suppliers, and trans,trans-2,4-decadienal prices. Sinofi can help you buy high-quality trans,trans-2,4-decadienal in bulk for your industry applications at wholesale prices based on FEMA 3135 and CAS 25152-84-5.

Table of Contents

What is Trans,Trans-2,4-Decadienal?

2-trans,4-trans-Decadienal (2-trans,4-trans-decadienal) is an unsaturated aldehyde occurring naturally in various foods, particularly in heated fats and oils. 2-trans,4-trans-Decadienal is an organic compound belonging to the class of unsaturated aldehydes. Trans,Trans-2,4-Decadienal, with the chemical formula of C₁₀H₁₆O, consists of a 10-carbon chain with an aldehyde group (CHO) at one end and two double bonds positioned at the 2nd-3rd and 4th-5th carbon positions. It is naturally formed during the thermal oxidation of oils rich in linoleic acid. 2,4-decadienal is one of the primary volatile compounds formed when oils containing polyunsaturated fatty acids are heated, particularly during deep-fat frying processes. It naturally occurs in a variety of foods, including butter, cooked beef, fish, potato chips, roasted peanuts, and buckwheat and wheat bread crumbs. It contributes significantly to the characteristic aroma of fried foods, especially potato chips and French fries. According to the U.S. Food and Drug Administration (FDA), trans,trans-2,4-decadienal is approved to be used in the food, flavour, and fragrance industries. It has also been evaluated by relevant regulatory authorities like JECFA, EUR-Lex, ECHACHEM, NIST, and WHO.

CAS No.: 25152-84-5

According to the American Chemical Society, the CAS number of trans,trans-2,4-decadienal is 25152-84-5.
CAS Name: (E,E)-2,4-Decadienal
Molecular Formula: C10H16O
Molecular Mass: 152.23
Appearance: Pale yellow to yellow clear liquid.
Boiling point ℃: 114-116 ° C10 mm Hg (lit.)
Solubility: Soluble in fixed oils and alcohol but insoluble in water.
Other Names:
2,4-Decadienal, (2E,4E)-
2,4-Decadienal, (E,E)-
(2E,4E)-2,4-Decadienal
trans,trans-2,4-Decadienal
trans-2,trans-4-Decadienal
trans,trans-2,4-Decadien-1-al
(E,E)-2,4-Decadienal
(E,E)-2,4-Decadien-1-al
2-trans,4-trans-Decadienal
(2E,4E)-Decadienal

Trans,Trans-2,4-Decadienal Odor

Strong chicken aroma and chicken oil flavor.

FEMA Number 3135

According to the Flavor and Extract Manufacturers Association (FEMA), the number of 2,4-decadienal is FEMA 3135.

Bulk Trans,Trans-2,4-Decadienal Manufacturers

The global production of 2-trans,4-trans-decadienal is concentrated among specialized chemical manufacturers with expertise in flavor and fragrance compounds. Top 2-trans,4-trans-decadienal manufacturers like Firmenich emphasize high-purity production with advanced quality control systems. They have established themselves as premium 2,4-decadienal suppliers focusing on food-safe specifications. Major manufacturing hubs are concentrated in China, Germany, and the United States, with China dominating production volume due to cost advantages and infrastructure. Nearly 65% of global trans,trans-2,4-decadienal production remains concentrated in these three countries. These companies have developed significant production capabilities, leveraging cost advantages and expanding technical expertise.
Sinofi is a bulk manufacturer of 2-trans,4-trans-decadienal in China, and we have a manufacturing facility with 2,500 square meters for the production of trans,trans-2,4-decadienal. We supply high-quality 2,4-decadienal at bulk prices and serve the food, cosmetic, and personal care industries worldwide.

Manufacturing Process of Trans,Trans-2,4-Decadienal

Natural Trans,Trans-2,4-Decadienal Manufacturing Process

Lipid Oxidation of Linoleic Acid

The most established commercial method for producing trans,trans-2,4-decadienal involves controlled oxidation of linoleic acid, which is abundant in vegetable oils such as soybean, sunflower, and corn oil:

Raw Material Preparation: Linoleic acid is isolated from vegetable oils through hydrolysis and fractionation.
Oxidation Process: The purified linoleic acid undergoes controlled autoxidation in the presence of catalysts (typically metal ions like iron or copper) and oxygen at temperatures between 40-60°C.
Hydroperoxide Formation: This oxidation forms 9- and 13-hydroperoxides as intermediates.
Decomposition: The hydroperoxides decompose via β-scission reactions to yield various volatile compounds, including 2,4-decadienal.
Product Recovery: The volatile compounds are isolated through vacuum distillation, with further purification achieved via fractional distillation or column chromatography.

Synthetic Manufacturing Process of Trans,Trans-2,4-Decadienal

Diethylhexanal Acetal Pathway

Hexanal is used as the starting material to react with ethanol to obtain diethylhexanal acetal. Diethylhexanal acetal is added to vinyl ethyl ether to synthesize 1,1,3-triethoxyoctane. 1,1,3-triethoxyoctane is then added to vinyl ethyl ether to obtain 1,1,3,5-tetraethoxydecane. Hydrolysis of 1,1,3,5-tetraethoxydecane can yield trans,trans-2,4-decadienal.

Quality Control and Purification

The manufacturing process incorporates several quality control measures:

Analytical Testing: Gas chromatography-mass spectrometry (GC-MS) confirms product identity and purity.
Isomer Analysis: High-performance liquid chromatography (HPLC) determines isomer distribution.
Sensory Evaluation: Expert panels assess organoleptic properties to ensure consistency.
Purification Techniques: Advanced techniques like molecular distillation or preparative chromatography achieve high-purity grades.

Bulk Trans,Trans-2,4-Decadienal Suppliers

The bulk market of 2-trans,4-trans-decadienal is dominated by several key suppliers specializing in flavor and fragrance chemicals. Top 2-trans,4-trans-decadienal suppliers like Firmenich have advanced production facilities and comprehensive quality management systems. They offer high-purity food and fragrance grades of trans,trans-2,4-decadienal with rigorous quality control protocols.
Sinofi is a bulk 2-trans,4-trans-decadienal supplier in China, and we have a warehouse with 1,200 square meters for high-quality trans,trans-2,4-decadienal. We sell different grades of trans,trans-2,4-decadienal at wholesale prices to food, flavor, and fragrance manufacturers.

Supply Chain of 2-Trans,4-Trans-Decadienal

The 2,4-decadienal supply chain represents a complex global network that connects chemical manufacturers, processors, distributors, and diverse end-user industries.

Supply Chain Structure

Raw Material Suppliers

The supply chain begins with the suppliers of essential raw materials:

Chemical Precursors: Primary suppliers provide base chemicals and various catalysts needed for synthesis.
Vegetable Oil Producers: Since trans,trans-2,4-decadienal can be derived from the oxidation of linoleic acid found in vegetable oils, companies that produce soybean, sunflower, and safflower oils serve as upstream suppliers.
Petrochemical Companies: Provide petroleum-derived precursors used in some synthetic pathways.

Manufacturers/Producers

The second tier consists of 2-trans,4-trans-decadienal manufacturers that transform raw materials into 2,4-decadienal.

Processors/Formulators

The third tier includes businesses that process 2-trans,4-trans-decadienal into forms suitable for commercial applications:

Flavor Houses: Companies purchase bulk 2-trans,4-trans-decadienaland formulate it into flavor compounds.
Speciality Chemical Formulators: Businesses that create specialized blends containing precise concentrations of trans,trans-2,4-decadienal for specific industrial applications.
Solution Providers: Companies that develop stabilized forms of 2-trans,4-trans-decadienal to extend shelf life and enhance performance in various applications.

Distributors and Intermediaries

The fourth tier facilitates the movement of trans,trans-2,4-decadienal from manufacturers to end users:

Chemical Distributors: Global distributors like Brenntag handle bulk quantities, providing warehousing, repackaging, and logistics services.
Specialized Flavor and Fragrance Distributors: Companies focused exclusively on flavor and fragrance ingredients, offering technical support and market knowledge.
Regional Distributors: Smaller companies serving specific geographic markets with localized inventory and customer service.

End Users

The final tier consists of industries that incorporate 2-trans,4-trans-decadienal into consumer products:

Food Manufacturers: The largest segment, using trans,trans-2,4-decadienal in savory snacks, cooking oils, processed meats, and convenience foods.
Fragrance Producers: Incorporating the compound into perfumes and scented products.
Cosmetics Companies: Using small amounts in certain personal care products.
Research Institutions: Purchasing analytical-grade 2,4-decadienal for sensory studies and food science research.

Wholesale and Buy Trans,Trans-2,4-Decadienal in Bulk

For manufacturers in the food, flavor, and fragrance industries, purchasing 2-trans,4-trans-decadienal in bulk represents a strategic approach to ingredient sourcing. The significant cost savings, consistent quality, and supply security make wholesale purchasing attractive for operations of sufficient scale. By carefully evaluating trans,trans-2,4-decadienal suppliers, storage capabilities, and regulatory requirements, buyers can optimize their procurement of this versatile aromatic compound.

Benefits of Wholesale Purchasing

Buying 2-trans,4-trans-decadienal in bulk offers several advantages:

Cost Efficiency: Significant per-unit savings compared to smaller quantities.
Supply Security: Maintaining a consistent inventory for production needs.
Reduced Administrative Overhead: Fewer purchase orders and transactions.
Volume Discounts: Access to preferred pricing tiers from suppliers.
Streamlined Quality Control: Consistency from single batch purchases.

As a bulk manufacturer and supplier of trans,trans-2,4-decadienal in China, we supply high-quality 2-trans,4-trans-decadienal for food, flavor, and fragrance industries. We also wholesale 2,4-decadienal to small customers. Normally, they want to buy 2-trans,4-trans-decadienal in small quantities. To serve them, we can wholesale 2-trans,4-trans-decadienal at bulk prices and provide a one-stop purchasing service.

Trans,Trans-2,4-DecadienalPrices (USD/Kg)

Food Grade Trans,Trans-2,4-Decadienal Prices (GC Content >=92.0%)

Volume	Unit Price	Shipment
50g	50 USD	Express
500g	240 USD	Express
1Kg	340 USD/Kg	Express
20Kg	20% cheaper	Express
100Kg-Above	negotiable	Express / Sea

Food Grade Natural Trans,Trans-2,4-Decadienal Prices (GC Content >=92.0%)

Volume	Unit Price	Shipment
50g	420 USD	Express
500g	2100 USD	Express
1Kg	3000 USD/Kg	Express
20Kg	20% cheaper	Express
100Kg-Above	negotiable	Express / Sea

As of early 2025, synthetic type 2-trans,4-trans-decadienal prices stabilized in the range of $300-360 per kilogram for food-grade material. While natural gradetrans,trans-2,4-decadienal prices recorded $3000-3300 per kilogram, depending on purity specifications and volume commitments. The 2-trans,4-trans-decadienal market exemplifies the complex interplay between specialized ingredient manufacturing, global logistics challenges, and industry-specific demand patterns. While current pricing reflects recent supply constraints, the medium-term outlook suggests gradual stabilization as production capacity expands and alternative manufacturing methods mature. For procurement specialists in the flavor and fragrance industry, strategic sourcing partnerships and formula optimization will remain essential strategies for managing cost pressures.
Furthermore, the above 2-trans,4-trans-decadienal price quotations, especially for small orders, do not include the express shipping fee. The reason is that the shipment cost of trans,trans-2,4-decadienal may exceed the value of the sample. However, the bulk wholesale prices of trans,trans-2,4-decadienal will be much lower than those of small orders. Please contact us for more details.

Trans,Trans-2,4-DecadienalUses

2,4-decadienal has distinctive aroma and flavor properties that make it a valuable ingredient in various industries, particularly in food flavoring and fragrance applications.

Food Uses

Indicator of Oil Quality

Research has shown that 2-trans,4-trans-decadienal can serve as an indicator of oil quality in the food industry. This application helps manufacturers monitor oil degradation during cooking processes.

Flavour and Fragrance Uses

Due to its complex aroma profile, 2-trans,4-trans-decadienal finds applications in the fragrance industry. At higher concentrations, it provides fatty, oily notes, while at lower concentrations, it offers citrus-like characteristics that can enhance various perfume compositions.

Flavor Enhancement

As a flavoring agent, trans,trans-2,4-decadienal brings a very powerful, fatty, oily, and citrus-like flavor to chicken fat and other fried items. When used in small amounts, it can enhance flavors in fruits like cucumber, melon, peach, plum, orange, tangerine, and mandarin. This versatility makes it an important ingredient in the flavor industry. The compound is particularly valued for its ability to impart authentic fried food flavors. Food manufacturers use it to create or enhance the taste of products that aim to replicate the flavor profile of fried foods without the actual frying process.

In fragrance applications, trans,trans-2,4-decadienal has a fat flavor aroma characteristic of chicken at higher concentrations, but has a citrus odor at lower concentrations. This dual nature makes it valuable for perfumers looking to create complex scent profiles.

As research continues to explore both the beneficial applications and potential health considerations of this compound, rans,trans-2,4-decadienal remains an important ingredient for flavor chemists and food technologists seeking to create authentic taste experiences. Its dual role as both a flavor enhancer and quality indicator demonstrates its versatility and ongoing relevance in food science and technology.

Trans,Trans-2,4-Decadienal Benefits

Flavour Benefits

In the culinary world, 2-trans,4-trans-decadienal is prized for its benefits to impart rich, savory flavors. It’s naturally present in many cooking oils after heating and contributes significantly to the appetizing aroma of fried foods. Food manufacturers often incorporate minute amounts of this compound to enhance flavor profiles.
By using trans,trans-2,4-decadienal as a flavoring agent, manufacturers can reduce the need for higher quantities of salt and fat while still delivering satisfying taste experiences.

Antimicrobial Benefits

Research has demonstrated that 2-trans,4-trans-decadienal possesses notable antimicrobial activity. Studies have shown effectiveness against various foodborne pathogens, including certain strains of E. coli and Salmonella. This property makes it potentially valuable as a natural food preservative, possibly reducing the need for synthetic additives in certain food applications.

Antioxidant Benefits

Some research indicates that 2-trans,4-trans-decadienal may exhibit antioxidant properties under specific conditions. While more research is needed to fully understand this benefit, this characteristic could potentially contribute to food preservation by helping prevent oxidative degradation of lipids.

Trans,Trans-2,4-Decadienal Used in Flavour and Fragrance

An Essence with Bologna Sausage Flavour

Include the following ingredients (by weight): decanoic acid, 0.02 parts; furanone acetate, 0.26 parts; bis(2-methyl-3-furanyl) disulfide, 0.005 parts; butyric acid, 0.05 parts; octanoic acid, 0.01 parts; 3-methylthiopropionaldehyde, 0.001 parts; 2-acetylthiazole, 0.003 parts; 2-methyl-3-mercaptofuran, 0.002 parts; oleic acid, 0.3 parts; 2-methylbutyric acid, 0.001 parts; ethyl 2-methylbutyrate, 0.003 parts; thiothiazole, 0.1 parts; phenylacetaldehyde, 0.005 parts; trans,trans-2,4-decadienal, 0.001 parts; black pepper oleoresin,1 parts; celery seed oil, 2 parts; fennel oil, 0.2 parts; onion extract, 0.5 parts; leaf alcohol (cis-3-hexenol), 0.05 parts; linalool, 1.5 parts; linalyl acetate, 0.2 parts; allyl isothiocyanate, 0.5 parts; anethole, 0.1 parts; d-limonene, 0.3 parts; α-pinene, 0.5 parts; hexyl acetate, 0.2 parts; caryophyllene, 0.3 parts; smoked flavor, 8 parts; refined soybean oil, 83.889 parts.

In conclusion,2-trans,4-trans-decadienal plays a significant role in the food and fragrance industries due to its distinctive aroma and flavor-enhancing properties. As a bulk trans,trans-2,4-decadienal manufacturer and supplier in China, we sell different grades of trans,trans-2,4-decadienal at wholesale prices to large manufacturers and small customers worldwide.