This section focuses on an overview of cocoa hexenal (5-methyl-2-phenyl-2-hexenal) as well as its manufacturing processes and uses. Also, please check out the introduction to cocoa hexenal manufacturers, supply chain issues, cocoa hexenal suppliers, and cocoa hexenal prices. Sinofi can help you buy high-quality cocoa hexenal in bulk for your industry applications at wholesale prices based on FEMA 3199 and CAS 21834-92-4.
Table of Contents
What is Cocoa Hexenal (5-methyl-2-phenyl-2-hexenal)?
Cocoa hexenal, also known as 5-methyl-2-phenyl-2-hexenal, is an aldehyde compound found in cocoa beans. It is a naturally occurring aldehyde compound that contributes to the distinctive aroma profile of cocoa. With its green, grassy notes combined with subtle chocolate undertones, cocoa hexenal has become a sought-after ingredient in flavor formulations, perfumery, and food applications. Chemically, cocoa hexenal features a six-carbon chain with a carbon-carbon double bond and an aldehyde group, giving it unique aromatic properties. It develops primarily during the fermentation and drying stages of cocoa processing. When fresh cocoa beans are harvested from the pod, they contain precursor molecules that transform through enzymatic reactions during fermentation. As a specialty aroma chemical, cocoa hexenal bridges the gap between natural cocoa extracts and fully synthetic flavoring systems. According to the U.S. Food and Drug Administration (FDA), cocoa hexenal is approved to be used in food, flavour and fragrance, and cosmetic industries. It has also been evaluated by relevant regulatory authorities like JECFA, EUR-Lex, ECHACHEM, NIST, EFSA, and WHO. The IFRA Transparency List also provides a guideline to ensure the use of cocoa hexenal in the food, flavor, and fragrance industries.

Sensory Profile and Flavor Contribution
Cocoa hexenal contributes what flavor scientists describe as “green,” “grassy,” or “fresh-cut” notes to chocolate’s flavor spectrum. While these descriptors might not sound appealing in isolation, they provide essential complexity when balanced with chocolate’s sweeter, nuttier, and more robust flavor components. Fine chocolate makers particularly value the subtle green notes that high-quality fermentation brings to their products.
Importance in Chocolate Production
Chocolate manufacturers carefully monitor the levels of various flavor compounds, including hexenal, during production. The concentration of cocoa hexenal can indicate the quality of fermentation and proper processing techniques. Too much can result in overly grassy flavors, while too little might produce chocolate lacking complexity and depth.
CAS No.: 21834-92-4
According to the American Chemical Society, the CAS number of cocoa hexenal is 21834-92-4.
CAS Name: 5-Methyl-2-phenyl-2-hexenal
Molecular Formula: C13H16O
Molecular Mass: 188.27
Appearance: Light yellow, clear liquid
Solubility: Soluble in alcohols and dipropylene glycol, insoluble in water.
Other Names:
♦α-(3-Methylbutylidene)benzeneacetaldehyde
♦ 5-Methyl-2-phenyl-2-hexenal
♦ 2-Phenyl-5-methylhex-2-enal
♦ Cocal
Cocoa Hexenal Odor
Aldehydic bitter cocoa nut skin green sweet chocolate fruity butyric.
FEMA Number 3199
According to the Flavor and Extract Manufacturers Association (FEMA), the number of cocoa hexenal is FEMA 3199.
Bulk Cocoa Hexenal Manufacturers
The bulk manufacturing of cocoa hexenal is dominated by several key companies that have established strong capabilities in aroma chemical synthesis. Top cocoa hexenal manufacturers like Givaudan have developed proprietary manufacturing processes for cocoa hexenal that emphasize purity and consistency. They have invested in specialized production facilities dedicated to aldehyde synthesis, including cocoa hexenal.
Sinofi is a bulk cocoa hexenal manufacturer in China, and we have a manufacturing facility with 2,500 square meters for the production of 5-methyl-2-phenyl-2-hexenal. We supply high-quality cocoa hexenal at bulk prices and serve food, flavour, and fragrance manufacturers worldwide.
Manufacturing Process of Cocoa Hexenal (5-methyl-2-phenyl-2-hexenal)
The manufacturing of cocoa hexenal represents a sophisticated blend of chemical engineering, food science, and sensory expertise.
Include the following steps:
- Step 1: Compound L-proline and di-n-propylamine into a catalyst in proportion, and control the pH value thereof between 8-12;
- Step 2: Add phenylacetaldehyde to the catalyst system in step 1, and heat the mixture.
- Step 3: After reaching the set temperature, start adding isovaleraldehyde to the mixture, and the dripping time is 1-4 hours.
- Step 4: After the dripping is completed, keep warm for 2-12 hours, and the insulation temperature is 50-60 degrees Celsius.
- Step 5: Use a gas chromatograph to detect the phenylacetaldehyde content when the phenylacetaldehyde content is less than or equal to 5%. Determine that the reaction is over.
- Step 6: After the reaction is completed, wash with water, and use 5% sulfuric acid solution and 5% sodium bicarbonate solution to wash to neutrality to obtain a crude product.
- Step 7: Vacuum distill the crude product, collect the 88-92℃/0.6mmHg component to obtain the final cocoa hexenal product.
Regulatory Considerations
Cocoa hexenal manufacturers must navigate complex regulatory frameworks that vary by region. In the European Union, the compound is regulated under flavor regulations EC 1334/2008, while in the United States, it falls under FDA flavor regulations with GRAS (Generally Recognized As Safe) status. Cocoa hexenal manufacturers must maintain rigorous quality control and safety documentation to ensure compliance across different markets.
As consumer preferences continue to evolve toward natural flavoring agents, the processes for producing this compound continue to advance, balancing efficiency with environmental responsibility while maintaining the distinctive sensory qualities that make chocolate such a beloved global indulgence.
Bulk Cocoa Hexenal Suppliers
The bulk cocoa hexenal market is dominated by several key players who have established themselves through consistent quality, competitive pricing, and reliable supply chains. Top cocoa hexenal suppliers like Givaudan maintain the large market shares in the cocoa hexenal segment, offering high-purity products with standardized sensory profiles. Their vertically integrated production model ensures a consistent supply even during market fluctuations.
Sinofi is a bulk cocoa hexenal supplier in China, and we have a warehouse with 1,200 square meters for high-quality cocoa hexenal. We sell different grades of cocoa hexenal at wholesale prices to food, flavour, and fragrance manufacturers.
Supply Chain of Cocoa Hexenal (5-methyl-2-phenyl-2-hexenal)
The cocoa hexenal supply chain exemplifies the complexity of modern global ingredient sourcing networks. From small-scale farmers in tropical regions to sophisticated chemical processing facilities and multinational flavor corporations, this specialized ingredient traverses numerous geographical, technological, and commercial boundaries.
Raw Material Sourcing
The cocoa hexenal supply chain begins with phenylacetaldehyde and isovaleraldehyde.
Chemical Synthesis Manufacturing
The chemical synthesis of cocoa hexenal occurs in industrial facilities primarily located in:
- Western Europe (Germany, Switzerland, Netherlands)
- North America (USA, Canada)
- East Asia (Japan, China)
This stage represents the most technically complex and capital-intensive part of the supply chain, with relatively few firms possessing the necessary technology and scale.
Distribution Network
The refined cocoa hexenal moves through a multi-tiered distribution system:
Major Flavor Houses
- International flavor and fragrance corporations
- Purchase in bulk quantities
- Integrate hexenal into proprietary flavor formulations
Specialized Distributors
- Regional chemical distributors
- Flavor ingredient wholesalers
- Repackage for smaller quantity sales
End-Product Manufacturers
- Food and beverage producers
- Flavor and Fragrance
- Cosmetics manufacturers
As consumer demands for transparency, sustainability, and quality continue to increase, stakeholders throughout this supply chain face pressure to innovate and adapt. Success in this evolving landscape will likely favor organizations that can effectively balance technical expertise, ethical sourcing practices, and strategic supply chain management.
Wholesale and Buy Cocoa Hexenal in Bulk
It is very important to secure a reliable wholesale supply for cocoa hexenal buyers who operate at scale in the flavor, fragrance, and food industries. By understanding the market dynamics, establishing strong supplier relationships, and implementing proper handling protocols, cocoa hexenal buyers can leverage this versatile ingredient to create distinctive products that captivate consumers.
Benefits of Buying Cocoa Hexenal in Bulk
Purchasing cocoa hexenal in bulk offers several significant benefits:
- Cost efficiency through volume pricing
- Supply chain consistency
- Quality assurance through direct supplier relationships
- Customization options for specific formulation needs
- Reduced packaging waste
Finding Reliable Cocoa Hexenal Suppliers
When sourcing cocoa hexenal in bulk, you should consider:
- Established flavor and fragrance houses with documented quality control processes.
- Specialty chemical distributors with expertise in food-grade ingredients.
- Manufacturers who can provide comprehensive documentation, including specifications and safety data sheets.
Quality Considerations
When evaluating potential wholesale cocoa hexenal sources, prioritize:
- Purity levels (typically 95-99%, depending on application)
- Consistency between production batches
- Compliance with relevant food safety and regulatory standards
As a bulk manufacturer and supplier of cocoa hexenal in China, we supply high-quality 5-methyl-2-phenyl-2-hexenal for food, flavour and fragrance, and cosmetic industries. We also wholesale cocoa hexenal to small customers. Normally, they want to buy cocoa hexenal in small quantities. To serve them, we can wholesale cocoa hexenal at bulk prices and provide a one-stop purchasing service.
Cocoa Hexenal Prices (USD/Kg)
Food Grade Cocoa Hexenal Prices (Purity: >=96%)
| Volume | Unit Price | Shipment |
| 50g | 40USD | Express |
| 500g | 200 USD | Express |
| 1Kg | 280 USD/Kg | Express |
| 20Kg | 20% cheaper | Express |
| 100Kg-Above | negotiable | Express / Sea |
The cocoa hexenal prices have been experiencing unprecedented turbulence. The price spike can be traced to multiple factors affecting both production and distribution channels. West African cocoa-producing regions, particularly Ghana and Côte d’Ivoire, have faced severe weather patterns that diminished harvests. Meanwhile, extraction facilities in Europe have struggled with energy costs and regulatory compliance issues. This dramatic surge has left end-users scrambling to secure supplies and rethinking product formulations.
Furthermore, the above price quotations of cocoa hexenal, especially for small orders, do not include the express shipping fee. The reason is that the shipment cost of cocoa hexenal may exceed the value of the sample. However, the bulk wholesale prices of cocoa hexenal will be much lower than those of small orders. Please contact us for more details.
Cocoa Hexenal Uses
Cocoa hexenal, a naturally occurring compound found in cocoa beans, has emerged as a significant ingredient across multiple industries due to its unique aromatic properties and chemical versatility.
Flavor and Fragrance Uses
The most prominent use of cocoa hexenal is in the flavor and fragrance sector. With its distinctive green, fruity notes that subtly transition to cocoa characteristics, it serves as a valuable component in creating authentic chocolate flavorings. Premium chocolate manufacturers often highlight the presence of natural hexenal compounds as markers of quality and complexity in their products.
Perfumers utilize cocoa hexenal to add depth and warmth to fragrance compositions, particularly in gourmand scents that aim to evoke rich, indulgent experiences. The compound helps bridge fruity top notes with deeper base elements, creating more sophisticated aromatic profiles.
Cosmetic Uses
The cosmetic industry has embraced cocoa hexenal for its pleasant scent profile and potential skin benefits. Research suggests that certain aldehydes found in cocoa possess mild antioxidant properties, making them appealing ingredients in anti-aging formulations. Luxury skincare brands often incorporate cocoa derivatives, including hexenal compounds, in products marketed for their nourishing and sensorial qualities.
Food Research Uses
Beyond flavoring, food scientists study cocoa hexenal for its role in understanding flavor development during cocoa fermentation and processing. The compound serves as a biomarker for quality control in the chocolate production process, with specific ratios of hexenal and related compounds indicating optimal fermentation conditions.
Cocoa Hexenal Benefits
Cocoa hexenal, a naturally occurring compound found in cocoa beans, has been gaining attention in recent years for its potential health benefits.
Antioxidant Benefits
One of the most significant benefits of cocoa hexenal is its potent antioxidant activity. Studies indicate that it helps neutralize harmful free radicals in the body, potentially reducing oxidative stress and inflammation. This antioxidant effect may contribute to cellular protection and overall health maintenance.
Cardiovascular Support
Preliminary research suggests that cocoa hexenal may support heart health by helping to maintain healthy blood pressure levels and improving blood vessel function. These cardiovascular benefits complement the well-established heart-healthy properties of other cocoa compounds.
Mood Enhancement Benefits
Cocoa has long been associated with mood improvement, and cocoa hexenal may play a role in this effect. Some research indicates that this compound might influence neurotransmitter activity, potentially contributing to chocolate’s reputation as a comfort food with mood-elevating properties.
Cognitive Function Benefits
Emerging studies suggest that cocoa hexenal might support brain health and cognitive function. The compound’s antioxidant properties may help protect neural cells from damage, while its effects on blood flow could potentially improve oxygen and nutrient delivery to the brain.
Cocoa Hexenal Used in Flavour and Fragrance
A Food Grade Coffee Flavour
Include 85% coffee tincture and 15% coffee aroma base.
The ingredients of coffee aroma base are as follows (by weight): ethyl maltol, 0.6%; methyl cyclopentenolone, 1.3%; vanillin, 0.7%; 2.3.5-trimethylpyrazine, 0.5%; 2-methylpyrazine, 0.3%; cocoa hexenal, 0.45%; difurfuryl disulfide, 0.25%; furfurylthiol, 0.3%; 2-acetylpyrazine, 0.15%; 2.5-dimethylpyrazine, 0.15%; propylene glycol, 10.3%.
In conclusion, cocoa hexenal is a versatile compound valued for its unique aromatic properties. It has become an unexpected indicator of broader market trends. As a bulk cocoa hexenal manufacturer and supplier in China, we sell different grades of cocoa hexenal at wholesale prices to large manufacturers and small customers worldwide.





