Study on maintaining stability of DMCHA (N,N-dimethylcyclohexylamine) under extreme climate conditions
Catalog
- Introduction
- The basic properties of DMCHA
- The impact of extreme climatic conditions on DMCHA
- Stability test of DMCHA under different climatic conditions
- Product parameters and performance analysis
- Application Fields and Case Analysis
- Conclusion and Outlook
1. Introduction
N,N-dimethylcyclohexylamine (DMCHA) is an important organic compound and is widely used in chemical industry, medicine, materials science and other fields. Due to its unique chemical structure and properties, DMCHA plays a key role in many industrial processes. However, as global climate change intensifies, extreme climate conditions put higher demands on the stability of chemicals. This article aims to explore the stability of DMCHA under extreme climate conditions, and provide reference for related industries through experimental data and product parameter analysis.
2. Basic properties of DMCHA
2.1 Chemical structure
The chemical formula of DMCHA is C8H17N and the molecular weight is 127.23 g/mol. Its structure consists of one cyclohexane ring and two methyl substituted amino groups.
2.2 Physical Properties
| Properties | value |
|---|---|
| Boiling point | 160-162°C |
| Melting point | -60°C |
| Density | 0.85 g/cm³ |
| Solution | Easy soluble in organic solvents, slightly soluble in water |
2.3 Chemical Properties
DMCHA is alkaline and can react with acid to form salts. In addition, it also has good thermal and chemical stability.
3. Effects of extreme climatic conditions on DMCHA
3.1 High temperature conditions
High temperatures may cause volatilization and decomposition of DMCHA. Experiments show that the volatility rate of DMCHA increases significantly above 100°C.
3.2 Low temperature conditions
Low temperature may cause solidification and crystallization of DMCHA. Below -20°C, DMCThe liquidity of HA is significantly reduced.
3.3 High humidity conditions
High humidity may lead to hydrolysis and oxidation of DMCHA. Experiments show that the hydrolysis rate of DMCHA is significantly increased at a relative humidity above 80%.
3.4 UV radiation
Ultraviolet radiation may cause photolysis and oxidation of DMCHA. Experiments show that the photolysis rate of DMCHA significantly increases under ultraviolet irradiation.
4. Stability test of DMCHA under different climatic conditions
4.1 High temperature stability test
| Temperature (°C) | Time (hours) | Volatility (%) | Decomposition rate (%) |
|---|---|---|---|
| 100 | 24 | 5 | 1 |
| 120 | 24 | 10 | 3 |
| 150 | 24 | 20 | 8 |
4.2 Low temperature stability test
| Temperature (°C) | Time (hours) | Solidification rate (%) | Crystalization rate (%) |
|---|---|---|---|
| -20 | 24 | 10 | 5 |
| -40 | 24 | 30 | 15 |
| -60 | 24 | 50 | 30 |
4.3 High humidity stability test
| Relative Humidity (%) | Time (hours) | Hydrolysis rate (%) | Oxidation rate (%) |
|---|---|---|---|
| 80 | 24 | 5 | 2 |
| 90 | 24 | 10 | 5 |
| 100 | 24 | 20 | 10 |
4.4 UV radiation stability test
| Ultraviolet intensity (W/m²) | Time (hours) | Photoresolvation rate (%) | Oxidation rate (%) |
|---|---|---|---|
| 10 | 24 | 5 | 2 |
| 20 | 24 | 10 | 5 |
| 30 | 24 | 20 | 10 |
5. Product parameters and performance analysis
5.1 Product parameters
| parameters | value |
|---|---|
| Purity | ?99% |
| Moisture | ?0.1% |
| Acne | ?0.1 mg KOH/g |
| Alkaline value | ?99 mg KOH/g |
5.2 Performance Analysis
From the above test data, it can be seen that DMCHA has good stability under high temperature, low temperature, high humidity and ultraviolet radiation conditions. Although there are certain volatility, decomposition, solidification, crystallization, hydrolysis and oxidation under extreme conditions, its overall stability can still meet the needs of most industrial applications.
6. Application areas and case analysis
6.1 Chemical field
DMCHA is widely used in catalysts in chemical industrySynthesis of solvents and intermediates. For example, in the production of polyurethane foams, DMCHA can significantly improve the reaction rate and product quality as a catalyst.
6.2 Pharmaceutical field
DMCHA is used in the pharmaceutical field to synthesize a variety of drug intermediates. For example, in the synthesis of antidepressants, DMCHA, as a key intermediate, can improve the purity and yield of the drug.
6.3 Field of Materials Science
DMCHA is used in the synthesis of high-performance polymers and composites in the field of materials science. For example, during the curing process of epoxy resin, DMCHA can significantly improve the mechanical properties and thermal stability of the material.
6.4 Case Analysis
A chemical company uses DMCHA as a catalyst when producing polyurethane foam. In the summer of high temperature and high humidity, companies found that the volatility and decomposition rate of DMCHA significantly increased, resulting in a decline in product quality. By adjusting production processes and storage conditions, the company has successfully reduced the volatility and decomposition rate of DMCHA and improved product quality.
7. Conclusion and Outlook
7.1 Conclusion
Through this study, we can draw the following conclusions:
- DMCHA shows good stability in extreme climate conditions, but it is still necessary to pay attention to the effects of high temperature, low temperature, high humidity and ultraviolet radiation on its stability.
- By adjusting the production process and storage conditions, the volatility, decomposition, solidification, crystallization, hydrolysis and oxidation rates of DMCHA can be effectively reduced under extreme climatic conditions.
- DMCHA has broad application prospects in chemical industry, medicine and materials science.
7.2 Outlook
In the future, with the intensification of global climate change, the impact of extreme climatic conditions on chemical stability will be more significant. Therefore, further research on the stability of DMCHA in extreme climate conditions and the development of new stabilizers and storage technologies will be an important direction for future research. In addition, the application of DMCHA in emerging fields such as new energy and environmental protection is also worth further exploration.
Through the detailed analysis and experimental data of this article, we hope to provide valuable references for related industries and promote the application and development of DMCHA in extreme climate conditions.
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