Qidi Chemical
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Diethylbenzene
Qidi Chemical
|
HS Code |
672072 |
| Chemical Formula | C10H14 |
| Molar Mass | 134.22 g/mol |
| Appearance | Colorless liquid |
| Odor | Aromatic odor |
| Density | 0.862 - 0.870 g/cm³ |
| Boiling Point | 181 - 184 °C |
| Melting Point | -84 - -67 °C |
| Solubility In Water | Insoluble |
| Flash Point | 58 °C |
| Vapor Pressure | 0.38 mmHg at 25 °C |
| Refractive Index | 1.495 - 1.497 |
| Packing | Diethylbenzene packaged in 20 - liter drums for convenient handling and storage. |
| Storage | Diethylbenzene should be stored in a cool, well - ventilated area, away from heat, sparks, and open flames due to its flammability. Keep containers tightly closed to prevent vapor release. Store it in a dedicated chemical storage facility, segregated from oxidizing agents and incompatible substances to avoid potential reactions. Regularly check storage areas for leaks. |
| Shipping | Diethylbenzene is shipped in accordance with strict chemical transport regulations. It's typically transported in specialized containers to prevent leakage, ensuring safety during transit by road, rail, or sea. |
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What are the main uses of diethylbenzene?
In the field of farming, it is an agent for removing weeds and protecting seedlings. Weeders, miscellaneous vines in the field, compete with seedlings for fertilizer, sun, water and soil, causing seedlings to not grow smoothly and farmers to lose. If two herbicides are applied, the weeds will wither and the seedlings will be healthy, ensuring the fertility of agricultural products.
In the context of horticulture, it also has its merits. Garden flowers, if you want them to be beautiful and neat, overgrown weeds will damage their appearance. Two herbicides can remove miscellaneous vines, make the garden scenery quiet and gorgeous.
On pasture land, weeds are overabundant, or contain toxins, harming livestock. Sprinkle two herbs, and the herbs will be destroyed and the pasture will be clean, and the animals can eat lush grass safely, and their bodies will be fat and strong.
Then use two herbs, and follow the method. The dose is moderate, and it should not be too thick to avoid hurting the seedlings and the soil. When applying medicine, it should also be protected from the wind and rain to prevent it from drifting elsewhere and accidentally harming beneficial plants and trees. And its residues may have an impact on the ecology, so it is necessary to observe its changes after use to ensure the safety of the environment. In a word, two herbs are the help of agriculture and gardening, and if they are used well, they will benefit and harm.
In the context of horticulture, it also has its merits. Garden flowers, if you want them to be beautiful and neat, overgrown weeds will damage their appearance. Two herbicides can remove miscellaneous vines, make the garden scenery quiet and gorgeous.
On pasture land, weeds are overabundant, or contain toxins, harming livestock. Sprinkle two herbs, and the herbs will be destroyed and the pasture will be clean, and the animals can eat lush grass safely, and their bodies will be fat and strong.
Then use two herbs, and follow the method. The dose is moderate, and it should not be too thick to avoid hurting the seedlings and the soil. When applying medicine, it should also be protected from the wind and rain to prevent it from drifting elsewhere and accidentally harming beneficial plants and trees. And its residues may have an impact on the ecology, so it is necessary to observe its changes after use to ensure the safety of the environment. In a word, two herbs are the help of agriculture and gardening, and if they are used well, they will benefit and harm.
What are the isomers of diethylbenzene?
For diethylbenzene, there are several isomers. Its isomerism type covers o-diethylbenzene, m-diethylbenzene, and p-diethylbenzene.
For o-diethylbenzene, its diethyl is based on the adjacent position of the benzene ring. This structure causes the molecule to have a specific spatial conformation. Due to the adjacent diethyl group, the spatial steric hindrance effect is more obvious, which affects both chemical reactions and physical properties. Physical properties such as boiling point and melting point are different from other isomers due to the unique intermolecular forces.
m-diethylbenzene, the diethyl group is in the position of the interphase of the benzene ring. Its spatial structure is different from that of o-diethylbenzene, and the steric hindrance effect is slightly slower. The symmetry of the molecule is In some reactions, the reactivity and selectivity are different from that of o-diethylbenzene.
p-diethylbenzene, the diethyl group is located in the opposite position of the benzene ring. This structure makes the molecular symmetry the best and the steric resistance effect the weakest. In terms of physical properties, the melting point is relatively high, and the intermolecular forces are more orderly due to the more regular molecular arrangement. In terms of chemical properties, due to its stable structure, it shows different activity and selectivity from o-diethylbenzene and m-diethylbenzene in some reactions.
Although all three are isomers of diethylbenzene, due to the different positions of the diethyl group on the benzene ring, the physical and chemical properties are different, and their applications in chemical industry, materials and other fields are also different.
For o-diethylbenzene, its diethyl is based on the adjacent position of the benzene ring. This structure causes the molecule to have a specific spatial conformation. Due to the adjacent diethyl group, the spatial steric hindrance effect is more obvious, which affects both chemical reactions and physical properties. Physical properties such as boiling point and melting point are different from other isomers due to the unique intermolecular forces.
m-diethylbenzene, the diethyl group is in the position of the interphase of the benzene ring. Its spatial structure is different from that of o-diethylbenzene, and the steric hindrance effect is slightly slower. The symmetry of the molecule is In some reactions, the reactivity and selectivity are different from that of o-diethylbenzene.
p-diethylbenzene, the diethyl group is located in the opposite position of the benzene ring. This structure makes the molecular symmetry the best and the steric resistance effect the weakest. In terms of physical properties, the melting point is relatively high, and the intermolecular forces are more orderly due to the more regular molecular arrangement. In terms of chemical properties, due to its stable structure, it shows different activity and selectivity from o-diethylbenzene and m-diethylbenzene in some reactions.
Although all three are isomers of diethylbenzene, due to the different positions of the diethyl group on the benzene ring, the physical and chemical properties are different, and their applications in chemical industry, materials and other fields are also different.
What are the physical properties of diethylbenzene?
Diethylamine is an organic compound with unique physical properties.
Diethylamine is a colorless liquid with a strong ammonia odor at room temperature and pressure. Its boiling point is about 55.5 ° C, which indicates that it is easy to vaporize when the temperature is relatively low. The melting point is -38.9 ° C, that is, it will solidify into a solid state at lower temperatures.
This substance has a lower density than water, about 0.706 g/cm ³, so if it is mixed with water, it will float on the water surface. It has a certain solubility in water and can form hydrogen bonds with water, so it can be partially dissolved in water. At the same time, it can also be miscible with most organic solvents such as ethanol and ether, showing good affinity for organic solvents.
The vapor of diethylamine is heavier than air and can spread to a considerable distance at a low place. In case of open flame and high heat energy, it can cause combustion and explosion. This is because the vapor and air can form an explosive mixture. Its flash point is very low, only -23 ° C. It is a flammable liquid. Special attention should be paid to fire and explosion protection when using and storing.
In addition, diethylamine is volatile and will gradually evaporate in the air, emitting a pungent smell. Its smell is strong and irritating, and it has irritating effects on the eyes, respiratory tract and skin. Protective measures should be taken when people come into contact to avoid damage to the body.
Diethylamine is a colorless liquid with a strong ammonia odor at room temperature and pressure. Its boiling point is about 55.5 ° C, which indicates that it is easy to vaporize when the temperature is relatively low. The melting point is -38.9 ° C, that is, it will solidify into a solid state at lower temperatures.
This substance has a lower density than water, about 0.706 g/cm ³, so if it is mixed with water, it will float on the water surface. It has a certain solubility in water and can form hydrogen bonds with water, so it can be partially dissolved in water. At the same time, it can also be miscible with most organic solvents such as ethanol and ether, showing good affinity for organic solvents.
The vapor of diethylamine is heavier than air and can spread to a considerable distance at a low place. In case of open flame and high heat energy, it can cause combustion and explosion. This is because the vapor and air can form an explosive mixture. Its flash point is very low, only -23 ° C. It is a flammable liquid. Special attention should be paid to fire and explosion protection when using and storing.
In addition, diethylamine is volatile and will gradually evaporate in the air, emitting a pungent smell. Its smell is strong and irritating, and it has irritating effects on the eyes, respiratory tract and skin. Protective measures should be taken when people come into contact to avoid damage to the body.
What is the production method of diethylbenzene?
The method of making the second ointment is quite exquisite. It is necessary to prepare all kinds of exquisite materials and make them in ancient methods to obtain this good medicine.
The first thing to do is to choose the best medicinal materials, which is the foundation. Among them, it is necessary to select products with pure texture and mellow medicinal power. Such as ginseng, those who are old enough and of good quality must be taken, which can greatly replenish vitality and is the main medicine of the ointment. Another example is deer horn, which is selected as a young and solid one, to help the yang and improve the essence, and to add the medicinal power of the ointment.
After that, the selected medicinal materials are matched according to a specific ratio. The delicacy of this ratio is related to the efficacy of the ointment. The various medicinal materials complement each other, or replenish qi and blood, or adjust yin and yang, or remove evil and strengthen righteousness. The compatibility is established, so it is soaked in clean water. The soaking time varies according to the characteristics of the medicinal materials, so that the medicinal materials absorb enough water, and the medicinal properties are easy to precipitate.
After soaking, fry slowly over a slow fire. The size of the fire needs to be carefully controlled. If the fire is big, it is easy to burn, which damages the medicinal properties; if the fire is small, it will be insufficient, and the medicinal power will be difficult to produce. When frying, you need to keep stirring to make the medicines evenly heated. When the medicinal juice is thick, remove the residue and take the juice. This juice is the essence of the medicinal materials.
Then put the concoction into the pot, and add high-quality glues, such as Ejiao, staghorn gum, etc. The function of the glue is to make the paste thick and enhance the tonic power. After adding the glue, still boil it over low heat while stirring constantly to prevent sticking to the pan.
When the paste is in the shape of a "flag hanging", that is, the concoction drips like a flag, continuously, add an appropriate amount of honey or rock sugar at this time. Honey moistens the lungs, rock sugar clears the heat, both can be seasoned and can make the paste taste better. Stir well, let cool, put it in a clean container and keep it sealed.
In this way, the production of Eryou ointment is completed, and the method of processing it follows the ancient teachings, integrates the essence of heaven and earth, and gathers the spiritual effects of medicinal materials. It is a good product for healing and health.
The first thing to do is to choose the best medicinal materials, which is the foundation. Among them, it is necessary to select products with pure texture and mellow medicinal power. Such as ginseng, those who are old enough and of good quality must be taken, which can greatly replenish vitality and is the main medicine of the ointment. Another example is deer horn, which is selected as a young and solid one, to help the yang and improve the essence, and to add the medicinal power of the ointment.
After that, the selected medicinal materials are matched according to a specific ratio. The delicacy of this ratio is related to the efficacy of the ointment. The various medicinal materials complement each other, or replenish qi and blood, or adjust yin and yang, or remove evil and strengthen righteousness. The compatibility is established, so it is soaked in clean water. The soaking time varies according to the characteristics of the medicinal materials, so that the medicinal materials absorb enough water, and the medicinal properties are easy to precipitate.
After soaking, fry slowly over a slow fire. The size of the fire needs to be carefully controlled. If the fire is big, it is easy to burn, which damages the medicinal properties; if the fire is small, it will be insufficient, and the medicinal power will be difficult to produce. When frying, you need to keep stirring to make the medicines evenly heated. When the medicinal juice is thick, remove the residue and take the juice. This juice is the essence of the medicinal materials.
Then put the concoction into the pot, and add high-quality glues, such as Ejiao, staghorn gum, etc. The function of the glue is to make the paste thick and enhance the tonic power. After adding the glue, still boil it over low heat while stirring constantly to prevent sticking to the pan.
When the paste is in the shape of a "flag hanging", that is, the concoction drips like a flag, continuously, add an appropriate amount of honey or rock sugar at this time. Honey moistens the lungs, rock sugar clears the heat, both can be seasoned and can make the paste taste better. Stir well, let cool, put it in a clean container and keep it sealed.
In this way, the production of Eryou ointment is completed, and the method of processing it follows the ancient teachings, integrates the essence of heaven and earth, and gathers the spiritual effects of medicinal materials. It is a good product for healing and health.
What are the precautions for diethylbenzene during storage and transportation?
During the storage and transportation of more than two medicines, it is very important to pay attention to all kinds of matters. When storing, the first priority is the environment. A dry, cool and well-ventilated place must be selected to prevent it from being damp and mildew, causing damage to the drug. Medicine has different properties, and it is suitable to be stored at room temperature. It needs to be stored at low temperature. If it is a fresh medicine, it needs special maintenance to ensure that it does not lose its vitality. In addition, the choice of containers should not be ignored. According to the characteristics of the medicine, the suitable material should be selected to avoid chemical reactions with the medicine and cause qualitative changes.
When transporting, stability is of paramount importance. The medicine must be properly wrapped to prevent it from being damaged by bumps. The control of temperature and humidity during the journey should not be underestimated. Extreme heat and cold can affect the quality of the medicine. In hot summer, when there is a cooling policy to prevent the medicine from being deteriorated by heat; in cold winter, it is necessary to prepare warm methods to prevent the medicine from freezing. And the transportation time is also considered. It is advisable to reach the destination quickly to reduce the impact of the time on the medicine.
When handling, apply force when gentle, and do not make the medicine subject to violent vibration or collision. Due to the different texture of the medicinal materials, whether brittle or soft, rough handling can easily cause breakage, deformation, and damage its quality. And the person handling should know the characteristics of the medicine and operate according to its requirements, and should not act recklessly.
In short, the two remaining medicines are interconnected in storage and transportation, and any loss in any link can cause the quality of the medicine to fail and the effect of the medicine to be difficult. Therefore, it is necessary to be cautious and consider carefully to ensure the efficacy of the medicine and help people with pain.
When transporting, stability is of paramount importance. The medicine must be properly wrapped to prevent it from being damaged by bumps. The control of temperature and humidity during the journey should not be underestimated. Extreme heat and cold can affect the quality of the medicine. In hot summer, when there is a cooling policy to prevent the medicine from being deteriorated by heat; in cold winter, it is necessary to prepare warm methods to prevent the medicine from freezing. And the transportation time is also considered. It is advisable to reach the destination quickly to reduce the impact of the time on the medicine.
When handling, apply force when gentle, and do not make the medicine subject to violent vibration or collision. Due to the different texture of the medicinal materials, whether brittle or soft, rough handling can easily cause breakage, deformation, and damage its quality. And the person handling should know the characteristics of the medicine and operate according to its requirements, and should not act recklessly.
In short, the two remaining medicines are interconnected in storage and transportation, and any loss in any link can cause the quality of the medicine to fail and the effect of the medicine to be difficult. Therefore, it is necessary to be cautious and consider carefully to ensure the efficacy of the medicine and help people with pain.
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