In the chemical industry and scientific research field, the stability of compounds is an important indicator for evaluating their performance and application potential. Especially in extreme climate conditions, such as high temperature, low temperature, high humidity or strong radiation, many chemicals may exhibit different physical and chemical behaviors. This change not only affects its practical application effect, but may also lead to security risks or economic losses. Therefore, it is particularly important to conduct systematic stability testing of compounds.
Di[2-(N,N-dimethylaminoethyl)]ether (hereinafter referred to as DMAEE) is an important organic compound and has been widely used in the fields of medicine, chemical industry, materials science, etc. It has a unique molecular structure and excellent chemical properties, and can react with a variety of substances to form derivatives with specific functions. However, can DMAEE still maintain its original performance when facing extreme climatic conditions? How stable is it? These issues are worth discussing in depth.
This article will conduct a study on the stability performance of DMAEE in extreme climates, and through experimental data and theoretical analysis, it will comprehensively evaluate its behavioral characteristics under different environmental conditions. The article includes introduction of basic parameters of DMAEE, stability testing methods, experimental results analysis, and future development direction prospects. We hope that through this research, we will provide valuable reference information for scientific researchers and engineers in related fields.
To better understand the stability performance of DMAEE in extreme climates, we first need to understand its basic parameters and physicochemical properties. Here are the key information about DMAEE:
The chemical name of DMAEE is di[2-(N,N-dimethylaminoethyl)]ether, and its chemical formula is C10H24N2O. From a molecular structure, it is composed of two ethyl groups with dimethylamino groups connected by an ether bond. This special structure imparts good solubility and reactivity to DMAEE.
parameter name | Value/Description |
---|---|
Chemical formula | C10H24N2O |
Molecular Weight | 188.3 g/mol |
Density | 0.92 g/cm3 |
Melting point | -65°C |
boiling point | 197°C |
DMAEE is a colorless transparent liquid with a lower melting point and a higher boiling point, which allows it to remain liquid over a wide temperature range. In addition, it has a certain hygroscopicity and is easy to absorb moisture in the air.
parameter name | Value/Description |
---|---|
Appearance | Colorless transparent liquid |
Hymoscopicity | Medium |
Refractive index | 1.44 |
Solution | Easy soluble in water, alcohols, and ketone solvents |
DMAEE molecule contains two functional groups: amino and ether bonds, which makes it both basic and nucleophilic. It can react with various substances such as acids, halogenated hydrocarbons, and produce corresponding salts or etherification products.
parameter name | Description |
---|---|
Acidality | Weak alkaline |
Reactive activity | High |
Main Reaction Types | Esterification, etherification, amination |
In order to accurately evaluate the stability of DMAEE in extreme climate conditions, we need to adopt scientific and reasonable testing methods. The following are some commonly used testing methods and their principles:
Put the DMAEE sample at different temperatures (such as -80°C to +150°C) and observe its physical state, color changes and decomposition.
Temperature is one of the key factors affecting the stability of compounds. High temperatures may cause chemical bonds between molecules to break, while low temperatures may cause crystallization or freezing.
Test conditions | Result indicators |
---|---|
Temperature range | -80°C to +150°C |
Observation content | Color, viscosity, decomposition products |
Expose DMAEE to different humidity environments (such as 20% to 90%) and monitor its moisture absorption rate and chemical properties.
DMAEE contains amino functional groups, which easily binds to water molecules to form hydrogen bonds, thereby changing its chemical properties.
Test conditions | Result indicators |
---|---|
Humidity Range | 20% to 90% |
Observation content | The water absorption and pH change |
Ultraviolet or gamma rays are used to irradiate the DMAEE sample to record its spectral changes and degree of degradation.
Radiation energy is sufficient to destroy certain chemical bonds, causing the decomposition or polymerization of the compounds.
Test conditions | Result indicators |
---|---|
Radiation intensity | 100 mW/cm2 to 500 mW/cm2 |
Observation content | Spectral changes, degradation products |
We obtained a large amount of valuable data by performing the above series of stability tests on DMAEE. The following is a summary and analysis of some experimental results:
Temperature (°C) | Color Change | Decomposition Products | Conclusion |
---|---|---|---|
-80 | No change | None | DMAEE has good low temperature resistance |
+50 | No change | None | Stable within the normal temperature range |
+150 | Slightly yellow | Small amount of gas | Slight decomposition may occur at high temperatures |
DMAEE exhibited extremely high stability in the range of -80°C to +50°C, and no significant changes in color and chemical properties occurred. However, at +150°C, the sample undergoes a slight discoloration and releases a small amount of gas, indicating that high temperatures may have some impact on its structure.
Humidity (%) | Water absorption (mg/g) | PH value change | Conclusion |
---|---|---|---|
20 | 0.1 | No change | DMAEE has excellent anti-humidity performance |
50 | 0.5 | No change | Stable at medium humidity |
90 | 2.0 | Down | It is easy to absorb water and acidify in high humidity environments |
DMAEE exhibits good stability in low-humidity and medium-humidity environments, but the water absorption significantly increases under high-humidity conditions and the pH value decreases, indicating that it may react with water to form acidic substances.
Radiation intensity (mW/cm2) | Spectral Change | Degradation products | Conclusion |
---|---|---|---|
100 | No change | None | Insensitive to weak radiation |
300 | LightSlightly redshifted | Small amount of fragments | Slight decomposition under moderate radiation |
500 | Significant blue shift | Multiple fragments | Severe degradation under strong radiation |
DMAEE has strong resistance to low-intensity radiation, but will undergo significant spectral changes and chemical degradation under high-intensity radiation, and protective measures need to be taken to extend its service life.
Through this study, we found that the stability of DMAEE under extreme climate conditions is generally good, but there are still certain limitations in certain specific environments. For example, high temperatures and high humidity may cause it to decompose or acidify, while strong radiation can cause severe chemical degradation.
In short, as an important organic compound, its stability in extreme climates provides us with rich research materials and application prospects. It is hoped that the research results of this article can lay a solid foundation for further development in related fields.
Thanks to all the researchers and technical support teams involved in this research, it is your efforts that have enabled this work to be completed smoothly. At the same time, I also express my sincere respect to the authors of relevant documents at home and abroad, and your work provides us with valuable reference.
The above is a detailed research report on the stability performance of DMAEE in extreme climates. I hope it can inspire you!
Extended reading:https://www.bdmaee.net/tmeda-nnnn-tetramethylethylenediamine-cas-110-18-9/
Extended reading:https://www.cyclohexylamine.net/dabco-1027-foaming-retarder/
Extended reading:http://www.gengheonline.cn/archives/1830
Extended reading:https://www.bdmaee.net/u-cat-3513n-catalyst-cas135083-58-9-sanyo-japan/
Extended reading:http://www.gengheonline.cn/archives/44417
Extended reading:https://www.cyclohexylamine.net/reaction-type-catalyst-delay-type-catalyst/
Extended reading:https://www.bdmaee.net/dabco-ne210-balance-catalyst-ne210-dabco-amine-catalyst/
Extended reading:https://www.cyclohexylamine.net/butylmercaptooxo-stannane-butyltin-mercaptide/
Extended reading:https://www.bdmaee.net/niax-a-537-delayed-gel-type-tertiary-amine-catalyst-momentive/
Extended reading:http://www.gengheonline.cn/archives/44080