What are the chemical properties of 2-Naphthalenesulfonicacid, Bis (1-Methylpropyl) -, Sodium Salt (9Ci)
This substance is called bis (1-methylpropyl) -2-naphthalenesulfonic acid, sodium salt (9CI). Its chemical properties are as follows:
This substance belongs to an organic sulfonate compound. From a structural point of view, the naphthalene ring as the core skeleton endows it with certain rigidity and conjugated system characteristics. The sulfonic acid group (-SO 🥰 Na) attached to the naphthalene ring makes it have good water solubility. Because the sulfonic acid sodium salt is easily ionized in water, it can form strong hydration with water molecules. At the same time, the existence of two 1-methylpropyl groups increases the fat-soluble part of the molecule, which makes the compound both hydrophilic and lipophilic, and may exhibit special surface activity in some oil-water interface systems.
In terms of chemical stability, the sodium salt is relatively stable, but in a strong acid environment, the sulfonic acid group may undergo protonation, which in turn affects its water solubility and other related properties. In case of high temperature or strong oxidants, reactions such as oxidation of the naphthalene ring and the side chain part may occur, destroying the molecular structure. In general organic solvents, its solubility is limited due to the ionized sodium salt part in the molecule, but it may have a certain solubility in some polar organic solvents.
What are the main uses of 2-Naphthalenesulfonicacid, Bis (1-Methylpropyl) -, Sodium Salt (9Ci)
2-Naphthalenesulfonic acid, bis (1-methylpropyl) -, sodium salt (9CI) This substance has a wide range of uses. In industrial dyeing and weaving, it is often used as a dye aid, which can increase the solubility and leveling of dyes, making the fabric uniform and bright. In the papermaking industry, it is also useful for improving the sizing properties of paper, enhancing the water resistance and strength of paper. In the process of leather tanning, it can be used as a tanning agent auxiliary material to help leather soft and elastic. In addition, in some organic synthesis reactions, it can be used as a catalyst to speed up the reaction process and increase the yield. In the preparation of surfactants, it is also indispensable, which can enhance surface activity, improve emulsification, dispersion and other properties. In conclusion, 2-naphthalenesulfonic acid, bis (1-methylpropyl) -, sodium salt (9CI) have key uses in many fields of chemical industry, and are of great significance to improving product quality and production efficiency.
What is the preparation method of 2-Naphthalenesulfonicacid, Bis (1-Methylpropyl) -, Sodium Salt (9Ci)
The method of preparing bis (1-methylpropyl) -2-naphthalenesulfonic acid, sodium salt (9CI), requires several steps.
When starting, 2-naphthalenesulfonic acid is used as the base material. This material is quite critical and is fundamental to the initiation of the reaction. Then, 1-methylpropyl is introduced. To achieve this step, suitable reaction conditions and reagents are often required. Usually, halogenated 1-methylpropane and 2-naphthalenesulfonic acid can be reacted in a base-catalyzed environment. The base can promote the formation of corresponding negative ions of 2-naphthalenesulfonic acid, and then undergo nucleophilic substitution reaction with halogenated 1-methylpropane, so that 1-methylpropyl can be integrated into the structure of 2-naphthalenesulfonic acid to form bis (1-methylpropyl) -2-naphthalenesulfonic acid.
After the formation of bis (1-methylpropyl) -2-naphthalenesulfonic acid, the step of forming a salt is carried out. This step generally uses alkaline substances such as sodium hydroxide to react with it. Sodium hydroxide and bis (1-methylpropyl) -2-naphthalenesulfonic acid undergo acid-base neutralization, and the hydrogen on the sulfonic acid group is replaced by sodium ions to obtain bis (1-methylpropyl) -2-naphthalenesulfonic acid sodium salt.
During the whole preparation process, the control of reaction conditions is extremely important. Such as reaction temperature, reaction time, and the proportion of reactants will affect the yield and purity of the product. If the temperature is too high, side reactions may occur, resulting in impure products; if the temperature is too low, the reaction rate will be delayed and take a long time. If the ratio of reactants is not suitable, it will also make it difficult to fully carry out the reaction and affect the yield. Therefore, it is necessary to finely adjust various conditions to obtain the pure and ideal yield of bis (1-methylpropyl) -2-naphthalenesulfonate sodium salt.
2-Naphthalenesulfonicacid, Bis (1-Methylpropyl) -, Sodium Salt (9Ci) What to pay attention to when storing
2-Naphthalenesulfonic acid bis (1-methylpropyl) sodium salt (9CI) is a chemical substance, and many aspects need to be paid attention to when storing.
First, ensure that the storage environment is dry. If this substance is wet, it may be affected by moisture decomposition, causing its chemical properties to change and even deteriorate. If the ambient moisture is too heavy, water vapor is easy to interact with the substance, or cause chemical reactions such as hydrolysis, which will damage the purity and quality of the substance.
Second, temperature control is essential. It should be stored in a cool place to avoid high temperature. High temperature can easily enhance the activity of the substance, or cause it to decompose and polymerize. The temperature is too high, the molecular movement intensifies, and the chemical bonds are easily broken or rearranged, which in turn affects the stability and performance of the substance.
Third, the storage place must be well ventilated. To prevent the accumulation of harmful gases, if the storage space is not well ventilated, the volatile gas of the substance or the formation of harmful mixed gases with the air, both have safety hazards and may also affect the properties of the substance itself.
Fourth, it needs to be stored separately from other chemicals. This substance may react with certain chemicals, such as oxidants, reducing agents, acids, alkalis, etc. Once it comes into contact with each other, or causes violent chemical reactions, it can cause serious consequences such as fire and explosion.
Fifth, the storage container should not be ignored. Containers of suitable materials should be selected to ensure good sealing. Common such as glass bottles, plastic bottles or metal cans, etc., should be selected according to the characteristics of the substance. If it has corrosive effect on glass, plastic containers should be selected, and tight sealing can prevent material leakage and volatilization.
When storing 2-naphthalenesulfonic acid bis (1-methylpropyl) sodium salt (9CI), caution should be taken in terms of environmental temperature and humidity, ventilation conditions, chemical isolation and storage containers to ensure the stability of the substance and avoid safety risks.
2-Naphthalenesulfonicacid, Bis (1-Methylpropyl) -, Sodium Salt (9Ci) is a security risk
This is a question about the safety risk of 2-naphthalenesulfonic acid bis (1-methylpropyl) sodium salt (9Ci). According to "Tiangong Kaiwu", although there is no direct record of this substance, in the case of chemical materials, safety risk considerations are quite critical.
This substance is used as an organic compound sodium salt, or has a specific chemical activity. From the general nature of chemical substances, one of them is that if it is not properly contacted, it may cause irritation to the human body. Contact with the skin may cause redness, swelling, itching, as if the skin is disturbed by foreign objects, causing qi and blood loss, and skin surface disharmony; eye contact, or eye damage, such as eye beads being attacked by evil filth, affecting the vision. Second, in the environment, its chemical characteristics may disturb the ecological balance. If it flows into the water body, or affects aquatic organisms, it is like the water of a river, mixed with foreign matter, which makes the living environment of the aquarium easier, or causes damage to vitality. Third, during storage and transportation, if the environment is uncomfortable, such as temperature and humidity loss, or chemical reactions are triggered, such as dry firewood encountering fire, or there is a risk of fire or explosion, endangering the safety of the surrounding.
Therefore, although "Tiangong Kaiwu" does not mention this product, according to the common sense of chemical industry and the nature of all things, 2-naphthalenesulfonic acid bis (1-methylpropyl) sodium salt (9Ci) has many safety risks, and it is necessary to be careful in the use, storage, transportation and other aspects to ensure the safety of people and the environment.