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What is the use of this product (Disodium 3- ((5-Chloro-2- (Phenylmethoxy) Phenyl) Azo) -4-Hydroxy-5- (((P-Tolyl) Sulphonyl) Amino) Naphthalene-2,7-Disulphonate)
This substance (3 - ((5 - chloro - 2 - (benzyloxy) phenyl) azo) - 4 - hydroxy - 5 - (((p-toluene) sulfonyl) amino) naphthalene - 2,7 - sodium disulfonate) has a wide range of uses. In the field of dyeing and weaving, it can be used as a dye, and by virtue of its special structure and properties, it makes the fabric show a bright and long-lasting color. Because it contains specific groups, it has a good affinity for fabric fibers and can be tightly bound, so it has good dyeing fastness and can meet various dyeing and weaving needs.
In the ink manufacturing industry, this substance also has extraordinary performance. As an ink colorant, it gives the ink excellent color performance, making the printed pattern text full, clear and eye-catching. Its stability guarantees the constant performance of the ink during storage and use, avoiding the risk of fading and discoloration.
In the field of leather processing, it can be used in the leather dyeing process, giving leather rich color, enhancing its aesthetics and commercial value. And, in specific industrial production processes, it can also act as an indicator. Due to environmental changes, such as pH and the concentration of certain substances, its color will change accordingly, thereby sensitively indicating the reaction process and environmental conditions, helping to accurately control the production operation and ensure the stability of product quality.
What are the physical properties of this product (Disodium 3- ((5-Chloro-2- (Phenylmethoxy) Phenyl) Azo) -4-Hydroxy-5- (((P-Tolyl) Sulphonyl) Amino) Naphthalene-2,7-Disulphonate)
This substance (3 - [ (5 - chloro - 2 - (phenylmethoxy) phenyl) azo] - 4 - hydroxy - 5 - [ ((p-toluene) sulfonyl) amino] naphthalene - 2,7 - disodium disulfonate) is an organic compound, its physical properties are as follows:
In terms of appearance, it is often powdery and orange in color. This color is derived from the special conjugate system in its molecular structure. The conjugate part absorbs light of a specific wavelength, causing it to appear orange-yellow.
Its solubility, in terms of water, has a certain solubility. Because its molecular structure contains a sulfonic acid group, this group is hydrophilic and can form hydrogen bonds with water molecules, so it can be soluble in water. However, in organic solvents, such as ethanol, ether, etc., the solubility is poor. Because of its large polarity of the whole molecule, it has a weak interaction with organic solvents with small polarity, so it is difficult to dissolve.
In terms of melting point, the exact value needs to be determined experimentally. However, it is roughly speculated that due to the interaction of van der Waals force and hydrogen bond between molecules, the structure is relatively complex, and the intermolecular force is strong, so the melting point should not be low.
In terms of stability, it can remain stable under normal temperature and pressure and dry environment protected from light. However, in the case of strong acids and alkalis, some chemical bonds in its structure may be destroyed. For example, hydroxyl groups and sulfonic acid groups can react with acids and bases, causing molecular structure changes. When heated, the temperature is too high or it decomposes, because the organic structure may undergo chemical bond cracking, rearrangement and other reactions at high temperatures.
This is based on the structure of the substance and the properties of similar compounds. The exact physical properties still need to be accurately determined experimentally.
What are the chemical properties of this product (Disodium 3- ((5-Chloro-2- (Phenylmethoxy) Phenyl) Azo) -4-Hydroxy-5- (((P-Tolyl) Sulphonyl) Amino) Naphthalene-2,7-Disulphonate)
This is a chemical substance named 3- ((5-chloro-2- (phenylmethoxy) phenyl) azo) -4-hydroxy-5- ((((p-toluene) sulfonyl) amino) naphthalene-2,7-disulfonate disodium salt. The chemical properties of this substance are quite important and are relevant to many chemical applications.
It has an azo structure, which gives it special optical properties and can often be used in the field of dyes because it can absorb light of specific wavelengths and show a bright color. And the substance contains hydroxyl, sulfonylamino and sulfonate groups. The hydroxyl group has a certain hydrophilicity and can participate in the formation of hydrogen bonds, which affects the solubility of the substance and the interaction between molecules. The sulfonamide group has good stability and can enhance the stability of the molecular structure. Sulfonate has strong ionic properties, which makes the substance have good solubility in water and also affects its ionic behavior in solution.
Furthermore, aromatic groups such as benzoxy and p-toluene give the molecule a certain hydrophobicity and conjugation system, which affects its electron cloud distribution and chemical activity. This conjugation system may enhance the stability and optical properties of the molecule. Its overall chemical properties make the substance potentially valuable in dyes, pigments and other industries, and can achieve specific color rendering and stability requirements through its structural properties.
What is the synthesis method of this product (Disodium 3- ((5-Chloro-2- (Phenylmethoxy) Phenyl) Azo) -4-Hydroxy-5- (((P-Tolyl) Sulphonyl) Amino) Naphthalene-2,7-Disulphonate)
The synthesis method of this substance (3- ((5-chloro-2- (phenylmethoxy) phenyl) azo) -4-hydroxy-5- ((((p-toluene) sulfonyl) amino) naphthalene-2,7-disulfonate) is the key to the chemical process. At the beginning of the synthesis, suitable starting materials, such as benzene and naphthalene compounds containing specific substituents, need to be prepared.
First take the benzene raw materials with specific structures, and under suitable reaction conditions, make the chlorine atoms on the benzene ring react with benzyl alcohol through nucleophilic substitution to form benzene derivatives containing benzene methoxy groups. This reaction requires careful control of temperature, solvent and catalyst dosage to ensure the high efficiency of the reaction and the purity of the product.
Then, through diazotization and coupling reaction, the above-mentioned benzene derivative is connected to the properly treated naphthalene compound to construct an azo structure. In this process, the conditions of the diazotization reaction are extremely important, and the reaction temperature and acid concentration need to be precisely controlled to prevent the occurrence of side reactions. The coupling reaction also needs to select a suitable reaction environment to promote the formation of azo bonds.
Furthermore, for the amino group on the naphthalene ring, p-toluenesulfonyl chloride is used for sulfonation, and p-toluenesulfonyl is introduced. This reaction needs to be carried out in the presence of a base to promote the smooth progress of the reaction.
Finally, the sulfonic acid group is introduced into the specific position of the naphthalene ring and made into the form of sodium salt. After a series of reaction operations, such as sulfonation, neutralization, etc., the target product is finally obtained 3- ((5-chloro-2- (benzoxy) phenyl) azo) -4-hydroxy-5- (((p-toluyl) sulfonyl) amino) naphthalene-2,7-disulfonate disodium. The whole synthesis process requires fine regulation of the reaction conditions at each step to achieve high yield and high purity.
What are the application fields of this product (Disodium 3- ((5-Chloro-2- (Phenylmethoxy) Phenyl) Azo) -4-Hydroxy-5- (((P-Tolyl) Sulphonyl) Amino) Naphthalene-2,7-Disulphonate)
This compound (3 - ((5 - chloro - 2 - (phenylmethoxy) phenyl) azo) - 4 - hydroxy - 5 - (((p-toluene) sulfonyl) amino) naphthalene - 2,7 - disodium disulfonate) has a wide application field. In the field of printing and dyeing, it is often used as a reactive dye, which can form covalent bonds with fibers, making dyed fabrics bright in color and good in color fastness. It is not easy to fade after washing and friction. It is widely used in cotton, linen, silk and other natural fibers and some synthetic fibers dyeing. In the paint industry, because of its excellent tinting performance and stability, it can be used as a paint colorant to give paint rich color, used in construction, furniture, automobiles and other coatings to improve aesthetics and decoration. In the field of inks, the compound, as an ink pigment, can give ink good fluidity, dryness and printability, ensure clear printing patterns and full colors, and is often used in packaging printing, book printing, etc. In addition, in some special fields, such as biomedical markers, optical materials, etc., it also has potential applications due to its unique chemical structure and optical properties.