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What is the chemical structure of disodium 5- (acetamido) -4-hydroxy-3- ((o-toluene) azo) naphthalene-2,7-disulfonate?
"Tiangong Kaiwu" is a great work of science and technology in ancient China, which contains various technological techniques in detail. Today, there is a question about the chemical structure of 5- (acetamido) -4-amino-3- ((phenylacetyl) oxime) -2,7-disulfonic acid disodium salt, and it is said in ancient Chinese.
This compound has a complicated structure. The first word "5- (acetamido) " is at the 5th position of the main structure, and is connected to the acetamido group. The acetamido group is formed by connecting the acetyl group with the amino group, and its form is like a carbonyl group and a methyl group, and then connected to the amino group.
times and "4-amino", that is, at the 4th position of the main structure, conjugated with an amino group. In the case of amino, it is co-constructed from a nitrogen atom and a dihydrogen atom.
Also known as "3- ((phenylacetyl) oxime) ", at the 3rd position, followed by phenylacetyl oxime. In the case of phenylacetyl, the benzene ring is connected to the acetyl group, and the benzene ring is a six-carbon ring structure with conjugation stability; the acetyl group is composed of carbonyl and methyl groups. In the case of oxime, it is the product of the condensation of formaldehyde or ketone with hydroxylamine, which is obtained by the condensation of phenylacetyl and hydroxylamine.
Re-discussion of "2,7-disulfonic acid disodium salt", in the main structure of position 2 and position 7, each connected to a sulfonic acid group, and the sulfonic acid group exists in the state of sodium salt. The sulfonic acid group contains sulfur-oxygen double bonds and hydroxyl groups, which are acidic, and the sodium salt is formed by the combination of the sulfonic acid group and sodium ions.
In this way, the chemical structure of 5- (acetamido) -4-amino-3- (phenylacetyl) oxime) -2,7-disulfonic acid disodium salt can be understood from this.
What are the physical properties of disodium 5- (acetamido) -4-hydroxy-3- ((o-toluene) azo) naphthalene-2,7-disulfonate
"Tiangong Kaiwu" says: "If you want to know its physical properties, you need to investigate its source in detail." Today there is 2,7-dihydroxybenzophenone, whose physical properties are quite critical, so let me explain in detail.
This compound is mostly in the state of white to light yellow crystalline powder at room temperature, and it is delicate in appearance, just like the first snow in winter. Its melting point is about 140-145 ° C. When the temperature rises to that value, the solid state gradually melts, like ice disappearing under the warm sun.
When it comes to solubility, 2,7-dihydroxybenzophenone is slightly soluble in water, just like Xizi frowning, only willing to have a little blend with water. However, it is in organic solvents, but it is like a duck to water. Ethanol, acetone, etc. can be closely soluble with it, showing good solubility. This property makes it ingenious in many organic synthesis reactions.
Furthermore, the density of this substance is about 1.38 g/cm ³, and it feels slightly heavy. Its stability is also remarkable. Under normal conditions, it can be at ease in its environment and is not prone to significant changes.
Its refractive index is also unique. Under specific light conditions, it can refract a different kind of light, emitting a unique charm like a gem. These physical properties make it outstanding in coatings, plastics, cosmetics, and many other fields, either as a protective shield or as a color-enhancing pen, and play an indispensable role in industry and life.
What is the main use of disodium 5- (acetamido) -4-hydroxy-3- ((o-toluene) azo) naphthalene-2,7-disulfonate?
5- (acetamido) -4-hydroxy-3- ((benzoyl) oxime) -2,7-disulfonic acid disodium salt, the main uses of this compound are as follows:
This substance is widely used in the field of dyes. Because of its special combination of functional groups in the structure, such as acetamido, hydroxyl and oxime, it gives it good affinity and dyeing properties for specific fibers. In the textile industry, it is often used in the dyeing process of natural fiber fabrics such as cotton and hemp. With the sulfonic acid group in its structure, the dye can be more easily dissolved in water, which helps to uniformly color and improve the stability and color brightness of the dyeing effect.
In some analytical chemistry scenarios, the compound can also play a role. For example, with its oxime group properties, it can react specifically with some metal ions, which can be used for qualitative or quantitative analysis of specific metal ions. For example, in the detection of the concentration of certain metal ions in environmental water samples, the content of metal ions can be accurately determined by observing the color change or precipitation phenomenon caused by its reaction with the compound.
In addition, it may also have potential uses in the field of medicinal chemistry research. Due to its structure containing a variety of active groups, it may become a key intermediate for the synthesis of new drugs. Researchers can design and synthesize drug molecules with specific pharmacological activities based on the structure of this compound through chemical modification and other means, providing an important material basis for the development of new drugs.
What are the precautions for disodium 5- (acetamido) -4-hydroxy-3- ((o-toluene) azo) naphthalene-2,7-disulfonate in the production process?
The technique of making dicalcium disalicylate is related to many taboos and taboos, and the industry should pay close attention to it.
The first raw material, the valeraldehyde amino group, is pure in quality, and its quality is good or bad, which is related to the quality of the product. The accuracy of the quantity is also a must. When weighing, you must check the millisecond to ensure a smooth reaction. Furthermore, the choice of fluoryl groups should meet the specifications, and do not make defects, otherwise it will be bad and global.
(tert-butyl benzyl) carbonyl oxide, this is the key thing, and it must be stored carefully to avoid exposure to the air to prevent qualitative changes. Use it gently, and cast it in sequence. Don't be impatient and don't rush, follow the law of reaction.
The state of the reaction should not be ignored. The temperature should be controlled in a suitable area. If it is high, it will be fast and chaotic, and if it is low, it will be sluggish and slow. It is not good. Stirring must be uniform, so that all things can be mixed seamlessly, and the reaction will be promoted.
Observe it and keep your eyes on it. Changes in color and escape of qi are all signs of reaction. If there is any abnormality, quickly cut off its source and take good measures to avoid serious trouble.
After the reaction is completed, the post-treatment is also strict. The method of separation, choose the good one; the technique of purification, make sure to be pure. Store the product in a cool and dry place to prevent its deterioration.
To make dicalcium salicylate, all the details are interlinked. Practitioners must use prudence and fine skills to achieve their work and get good things.
What are the environmental effects of disodium 5- (acetamido) -4-hydroxy-3- ((o-toluene) azo) naphthalene-2,7-disulfonate?
"Tiangong Kaiwu" contains: "5- (acetamido) -4-amino-3- ((benzyl) carbonyl) indole-2,7-disulfonic acid disodium salt, the influence of this substance on the surrounding environment is very critical.
Fu 5- (acetamido) -4-amino-3- ((benzyl) carbonyl) indole-2,7-disulfonic acid disodium salt has a unique structure and specific properties. In this compound, acetamido and amino groups can participate in many chemical reactions, in environmental media, or with other substances affinity. The benzyl carbonyl part of it has specific spatial hindrance and electronic effect, or affects its transmission and distribution in the environment.
And the structure of disodium disulfonate makes the substance have good water solubility. In the water environment, it is easy to migrate with water flow, or has a direct effect on aquatic organisms. If its concentration is too high, it may interfere with the physiological metabolism of aquatic organisms, such as affecting algae photosynthesis, inhibiting the enzyme activity of aquatic animals, etc.
In the soil environment, due to the interaction of charged sulfonate ions or the surface charge of soil particles, its adsorption and desorption characteristics change, affecting its vertical and horizontal migration in the soil. Or due to the interaction with the microbial community in the soil, the community structure and function of soil microorganisms are changed, and the soil nutrient cycle and ecosystem stability are indirectly affected.
Furthermore, if this substance enters the atmospheric environment due to special conditions, or because of its volatility and chemical activity, it participates in atmospheric chemical reactions, which have potential effects on atmospheric chemical composition and physical properties, such as aerosol formation and optical properties. Therefore, the impact of 5- (acetamido) -4-amino-3- ((benzyl) carbonyl) indole-2,7-disulfonic acid disodium salt on the environment covers water, soil, air and other ecosystems, which cannot be underestimated. It is necessary to explore in detail to clarify its mechanism of action and benefit environmental protection and ecological security.