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What are the main uses of 5-amino-2,4,6-triiodoisophthalic acid chloride?
5-Amino-2,4,6-trinitroresorcinol diammonium salt, commonly known as ammonium stephanate, is widely used in fireworks and military applications.
In the production of fireworks, it can be used as a smoke agent component. When ammonium stephanate is thermally decomposed, many solid particles are formed, which are suspended in the air and form dense smoke. In scenes such as military exercises or warning signs, it is often used to create smoke to cover the line of sight or transmit signals. Because of its stable decomposition characteristics, it can generate smoke continuously and stably, so the smoke effect is excellent.
In military applications, ammonium stephanate is an important priming explosive. It is sensitive to fire, friction, impact and other stimuli, and will not be too sensitive to cause accidental explosion, and can quickly detonate under specific conditions. Ammonium stephanate plays a key role in detonators and other detonators. When the outside world gives appropriate stimulation, it instantly reacts chemically, releasing a large amount of energy, which in turn triggers the explosion of subsequent explosives, achieving military intentions such as destroying targets. Because of its reliable detonation performance, it is widely used in weapons and ammunition systems.
In addition, in some special pyrotechnic effect requirements, such as specific color smoke, special combustion characteristics, etc., ammonium stephanate can also achieve the required pyrotechnic effect in combination with other chemicals, providing more possibilities for the field of pyrotechnics technology.
What are the physical properties of 5-amino-2,4,6-triiodoisophthalic acid chloride?
5-Amino-2,4,6-tribromo-isophthalonitrile is a special organic compound. Its physical properties are as follows:
Looking at its appearance, under room temperature and pressure, it often appears white to light yellow crystalline powder. This color state is visible and tactile, which is the appearance of the first recognition of this substance.
When it comes to the melting point, it is about 220-224 ° C. When the temperature gradually rises, this substance gradually melts from a solid state to a liquid state. The temperature node of this phase transition is its important physical constant.
As for solubility, it is slightly soluble in common organic solvents such as methanol, ethanol, acetone, etc. In water, it is extremely difficult to dissolve. The solubility of this property is due to the difference between its molecular structure and the interaction between solvent molecules. Although organic solvents have certain solubility, they are limited, while water interacts weakly with them, resulting in insolubility.
Its density is also a key physical property. Although the exact value will vary slightly due to the measurement conditions, it has a rough range. This density characteristic is related to its distribution in the mixed system.
The physical properties of 5-amino-2,4,6-tribromo-isophthalonitrile are of great significance for its synthesis, separation, purification and application in different fields. Its color state, melting point, solubility and other properties determine its applicable process and scene, and also provide the basis for related research and production practice.
What are the chemical properties of 5-amino-2,4,6-triiodoisophthalic acid chloride?
5-Amino-2,4,6-trinitroresorcinol diammonium salt, also known as ammonium stephanate, is a special chemical substance. It has the following chemical properties:
First, it is acidic. The phenolic hydroxyl group in the molecule can ionize hydrogen ions under certain conditions, exhibit acidic properties, and can neutralize with bases. For example, when reacted with sodium hydroxide, the hydrogen of the phenolic hydroxyl group will combine with hydroxide to form water and generate corresponding salts.
Second, it is oxidizing. The nitro group in this substance is a strong electron-absorbing group, which reduces the density of the electron cloud of the benzene ring, making it prone to electrons, and then has oxidation. In a specific chemical reaction, it can oxidize other substances and reduce itself.
Third, explosive. This substance contains multiple nitro groups, which are high-energy groups and store a large amount of energy. When heated, impacted or subjected to other external stimuli, these energies will be released instantaneously, triggering violent explosive reactions. It is a more dangerous energetic material.
Fourth, it has certain stability. Under normal temperature and humidity conditions, 5-amino-2,4,6-trinitroresorcinol diammonium salt can maintain a relatively stable chemical structure and is not prone to spontaneous chemical reactions. However, once the environmental conditions change, the stability will be affected. 5-Amino-2,4,6-trinitroresorcinol diammonium salt has specific applications in military, industrial and other fields due to the above chemical properties, but the use and storage must strictly follow the relevant safety regulations to prevent danger.
What is the synthesis method of 5-amino-2,4,6-triiodoisophthalic acid chloride?
To prepare 5-amino-2,4,6-tribromo-isophthalonitrile, the following method can be used:
First take isophthalonitrile as the starting material, and carry out the bromination reaction with an appropriate amount of bromine under suitable reaction conditions. This reaction requires the selection of a suitable solvent, such as glacial acetic acid, and the reaction temperature and time should be controlled. Usually, bromine is slowly added dropwise at low temperature, and the molar ratio of bromine to isophthalonitrile needs to be precisely prepared. After this bromination reaction, 2,4,6-tribromo-isophthalonitrile can be obtained.
Then, the obtained 2,4,6-tribromo-isophthalonitrile is carried out amination reaction. It is often reacted with an ammonia source, such as liquid ammonia or ammonia water, in the presence of a suitable catalyst. The catalyst can be selected from substances such as copper salts to promote the substitution of amino groups with bromine atoms. The reaction is carried out in a closed pressure-resistant container, and a certain temperature and pressure are controlled to make the reaction proceed in the direction of generating 5-amino-2,4,6-tribromo-isophthalonitrile. After the reaction is completed, the pure 5-amino-2,4,6-tribromo-isophthalonitrile product can be obtained through separation and purification steps, such as recrystallization, column chromatography, etc. The whole synthesis process needs to carefully control the conditions of each reaction step to improve the yield and purity of the product.
What are the precautions for storage and transportation of 5-amino-2,4,6-triiodoisophthalyl chloride?
5-Amino-2,4,6-tribromo-isophthalonitrile is a highly toxic chemical. When storing and transporting, extreme caution is required. Many points should not be ignored:
First, the storage place must be dry and well ventilated. This product is very easy to absorb moisture. If the environment is humid, it may change its properties, affect its quality, or even cause dangerous reactions. And good ventilation can disperse harmful gases that may be volatile in time to ensure environmental safety.
Second, it must be strictly stored separately from oxidants, acids, bases, etc. Because of its active chemical properties, contact with the above substances is very likely to trigger violent chemical reactions, or combustion, or explosion, which is very dangerous.
Third, the storage temperature should be strictly controlled. Excessive temperature may cause it to decompose, and too low temperature may cause its physical state to change, affecting stability. Generally, it should be maintained in a specific suitable range, depending on the product description.
Fourth, when transporting, the packaging must be solid and reliable. It is necessary to ensure that the packaging can resist vibration, collision and friction to prevent the leakage of goods caused by package damage, which will harm the transporter and the surrounding environment.
Fifth, the transportation vehicle should choose a special chemical transportation vehicle and be equipped with complete emergency treatment equipment. Once there is an unexpected situation such as leakage on the way, it can immediately launch an effective response to reduce the harm.
Sixth, the transportation and storage personnel should be professionally trained. Familiar with the characteristics, hazards and emergency treatment methods of the chemical, can only work on the job to ensure that the operation is standardized and the response is appropriate.
In conclusion, the storage and transportation of 5-amino-2,4,6-tribromo-isophthalonitrile requires rigorous treatment in all aspects, and nothing should be sloppy to ensure the safety of personnel and the environment.
