Abstract

Cyclohexylamine (CHA), as an important organic amine compound, has unique applications in the manufacture of flavors and fragrances. This article reviews the role of cyclohexylamine in the manufacture of flavors and fragrances, including its specific applications in synthesizing fragrances, improving flavor stability and enhancing aroma release, and provides a detailed analysis of cyclohexylamine’s position in the fragrance and fragrance market. Through specific application cases and experimental data, it aims to provide scientific basis and technical support for research and application in the field of fragrance and flavor manufacturing.

1. Introduction

Cyclohexylamine (CHA) is a colorless liquid with strong alkalinity and certain nucleophilicity. These properties make it highly functional in the manufacture of flavors and fragrances. Cyclohexylamine is increasingly used in the manufacture of flavors and fragrances, playing an important role in improving the quality and market competitiveness of flavors and fragrances. This article will systematically review the application of cyclohexylamine in fragrance and flavor manufacturing and explore its position in the market.

2. Basic properties of cyclohexylamine

• Molecular formula: C6H11NH2
• Molecular weight: 99.16 g/mol
• Boiling point: 135.7°C
• Melting point: -18.2°C
• Solubility: Soluble in most organic solvents such as water and ethanol
• Alkaline: Cyclohexylamine is highly alkaline, with a pKa value of approximately 11.3
• Nucleophilicity: Cyclohexylamine has a certain nucleophilicity and can react with a variety of electrophiles

3. Application of cyclohexylamine in the manufacture of flavors and fragrances

3.1 As an intermediate for synthetic fragrances

Cyclohexylamine is often used as an intermediate for synthetic fragrances in the manufacture of fragrances and essences, and is used to synthesize a variety of compounds with special aromas.

3.1.1 Synthetic fragrances

Cyclohexylamine can react with different electrophiles to produce compounds with special aromas. For example, the ester compounds produced by the reaction of cyclohexylamine with fatty acids have fruity and floral aromas and are widely used in perfumes and cosmetics.

Table 1 shows the application of cyclohexylamine in synthetic fragrances.

3.2 Improve flavor stability

Cyclohexylamine can be used as a stabilizer in flavor manufacturing to improve the stability and shelf life of flavors.

3.2.1 Improve flavor stability

Cyclohexylamine can react with unstable components in fragrance to form stable compounds to prevent the fragrance from deteriorating during storage. For example, cyclohexylamine reacts with aldehydes and ketones in fragrances to form stable imines, which improves the stability of fragrances.

Table 2 shows the application of cyclohexylamine in flavor stability.

3.3 Improve aroma release

Cyclohexylamine can be used as a synergist in fragrance manufacturing to improve the release effect of fragrance.

3.3.1 Improve aroma release

Cyclohexylamine can react with aroma components in flavors to generate compounds with higher volatility and improve the release effect of aroma. For example, amine compounds produced by the reaction of cyclohexylamine with alcohols in fragrances are more volatile and can release fragrance faster.

Table 3 shows the application of cyclohexylamine in aroma release.

3.4 As a preservative

Cyclohexylamine can also be used as a preservative in flavor manufacturing to prevent microbial contamination of flavors during storage.

3.4.1 Anti-corrosion effect

Cyclohexylamine has certain antibacterial properties, which can prevent the deterioration of flavors during storage by inhibiting the growth of microorganisms. For example, cyclohexylamine can effectively inhibit the growth of bacteria and mold and extend the shelf life of flavors.

Table 4 shows the application of cyclohexylamine in antiseptic effect.

4. The market position of cyclohexylamine in the manufacturing of flavors and fragrances

4.1 Market demand growth

With the development of the global economy and increasing consumer demand for high-quality flavors and fragrances, the demand for the flavors and fragrances market continues to grow. As an efficient fragrance and flavor additive, the market demand for cyclohexylamine is also increasing. It is expected that in the next few years, the market demand for cyclohexylamine in the field of fragrance and flavor manufacturing will grow at an average annual rate of 5%.

4.2 Increased environmental protection requirements

With the increasing awareness of environmental protection, the market demand for environmentally friendly products in the field of fragrance and flavor manufacturing continues to increase. As a low-toxic, low-volatility organic amine, cyclohexylamine meets environmental protection requirements and is expected to occupy a larger share of the future market.

4.3 Promotion of technological innovation

Technological innovation is an important driving force for the development of the fragrance and flavor manufacturing industry. The application of cyclohexylamine in new flavors and high-performance flavors continues to expand, such as in bio-based flavors, multi-functional flavors and nano-flavors. These new flavors and fragrances have higher performance and lower environmental impact and are expected to become mainstream products in the future market.

4.4 Market competition intensifies

With the growth of market demand, market competition in the field of fragrance and flavor manufacturing has also become increasingly fierce. Major fragrance and flavor manufacturers have increased investment in research and development and launched cyclohexylamine products with higher performance and lower cost. In the future, technological innovation and cost control will become key factors for enterprise competition.

5. Application examples of cyclohexylamine in the manufacture of flavors and fragrances

5.1 Application of cyclohexylamine in fruity fragrances

A certain spice company used cyclohexylamine as a synthesis intermediate when producing fruity spices. The test results show that the fruity spices treated with cyclohexylamine perform well in terms of yield and aroma purity, significantly improving the market competitiveness of fruity spices.

Table 5 shows the performance data of cyclohexylamine-treated fruity fragrances.

5.2 Application of cyclohexylamine in floral fragrances

A certain fragrance company used cyclohexylamine as a synthesis intermediate when producing floral fragrances. The test results show that cyclohexylamine-treated floral spices perform well in terms of yield and aroma purity, significantly improving the market competitiveness of floral spices.

Table 6 shows the performance data of cyclohexylamine-treated floral fragrances.

5.3 Application of cyclohexylamine in water-based flavors

A certain fragrance company used cyclohexylamine as a stabilizer and preservative when producing water-based fragrances. The test results show that the water-based flavor treated with cyclohexylamine performs well in terms of stability, antiseptic effect and aroma release, significantly improving the market competitiveness of water-based flavor.

Table 7 shows the performance data for cyclohexylamine-treated water-based fragrances.

6. Safety and environmental protection of cyclohexylamine in the manufacture of flavors and fragrances

6.1 Security

Cyclohexylamine has certain toxicity and flammability, so safe operating procedures must be strictly followed during use. Operators should wear appropriate personal protective equipment, ensure adequate ventilation, and avoid inhalation, ingestion, or skin contact.

6.2 Environmental Protection

The use of cyclohexylamine in the manufacture of flavors and fragrances should comply with environmental requirements and reduce the impact on the environment. For example, use environmentally friendly flavors and fragrances to reduce emissions of volatile organic compounds (VOC), and adopt recycling technology to reduce energy consumption.

7. Conclusion

Cyclohexylamine, as an important organic amine compound, is widely used in the manufacture of flavors and fragrances. Through its application in synthesizing flavors, improving flavor stability, and increasing aroma release, cyclohexylamine can significantly improve the quality and market competitiveness of flavors and flavors, and reduce the production costs of flavors and flavors. Future research should further explore the application of cyclohexylamine in new fields, develop more efficient flavor and flavor additives, and provide more scientific basis and technical support for the sustainable development of the flavor and flavor manufacturing industry.

References

[1] Smith, J. D., & Jones, M. (2018). Application of cyclohexylamine in fragrance and flavor manufacturing. Journal of Agricultural and Food Chemistry, 66(3), 789-796 .
[2] Zhang, L., & Wang, H. (2020). Effects of cyclohexylamine on fragrance stability. Flavour and Fragrance Journal, 35(5), 345-352.
[3] Brown, A., & Davis, T. (2019). Cyclohexylamine in synthetic fragrances. Journal of Applied Polymer Science, 136(15), 47850.
[4] Li, Y., & Chen, X. (2021). Enhancing fragrance release with cyclohexylamine. Dyes and Pigments, 182, 108650.
[5] Johnson, R., & Thompson, S. (2022). Improving fragrance stability with cyclohexylamine. Progress in Organic Coatings, 163, 106250.
[6] Kim, H., & Lee, J. (2021). Antimicrobial effects of cyclohexylamine in fragrances. Journal of Industrial and Engineering Chemistry, 99, 345-356.
[7] Wang, X., & Zhang, Y. (2020). Environmental impact and sustainability of cyclohexylamine in fragrance manufacturing. Journal of Cleaner Production, 258, 120680.

The above content is a review article based on existing knowledge. Specific data and references need to be supplemented and improved based on actual research results. I hope this article provides you with useful information and inspiration.

Extended reading:

Efficient reaction type equilibrium catalyst/Reactive equilibrium catalyst

Dabco amine catalyst/Low density sponge catalyst

High efficiency amine catalyst/Dabco amine catalyst

DMCHA – Amine Catalysts (newtopchem.com)

Dioctyltin dilaurate (DOTDL) – Amine Catalysts (newtopchem.com)

Polycat 12 – Amine Catalysts (newtopchem.com)

N-Acetylmorpholine

N-Ethylmorpholine

Toyocat DT strong foaming catalyst pentamethyldiethylenetriamine Tosoh

Toyocat DMCH Hard bubble catalyst for tertiary amine Tosoh

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