2 3 Dichloro 1 Iodobenzene

2% 2C3-dihydro-1-indanone, which is covered in the scope of "Tiangong Kaiwu", or can be used in ancient chemical and manufacturing techniques.
In the ancient dyeing and weaving industry, it may be involved. When dyeing and weaving, in order to obtain a unique color and color fixing effect, various additives are often required. 2% 2C3-dihydro-1-indanone or because of its chemical properties, can be used as an auxiliary component of mordant dyes. The aid dye is closely combined with the fabric fiber, making the dye brighter and longer-lasting. In ancient dye workshops, the color requirements were quite high. In addition to the characteristics of natural dyes themselves, the mordant dyeing process was also crucial. This substance may play a subtle role in it, adjusting the performance of mordant dyes, so that the dyed fabric has outstanding color and luster, which is superior in the competition.
In addition, the ancient fragrance industry may also use it. In the production of fragrances, in addition to the compatibility of fragrances, the durability of the fragrance and the aroma level should also be considered. 2% 2C3-dihydro-1-indanone or because it has a certain volatility and special smell, can be used as a fixed fragrance. When blending fragrances, adding an appropriate amount of this substance can delay the rate of aroma volatilization and make the fragrance last longer. And its unique smell may be integrated with various fragrances to enrich the aroma level and create a unique fragrance.
And in the field of ancient medicine, although it is not the main medicine, it can be used as a medicinal citation. Ancient physicians are well aware of the wonder of drug compatibility, and medicinal citation can lead drugs to meridians and enhance the efficacy. 2% 2C3-dihydro-1-indanone or due to its unique chemical structure and pharmacological characteristics, is used as a medicinal citation in some formulas to guide the main medicine to specific viscera and meridians, and improve the overall efficacy of the prescription.
In summary, 2% 2C3-dihydro-1-indanone may be used in ancient dyeing, weaving, fragrance making, medicine and other industries to varying degrees, adding color to traditional skills.

2% 2C3-dideuterium-1-chloropropene is a kind of organic compound. Its physical properties are as follows:
Under normal temperature and pressure, it is mostly a colorless and transparent liquid with clear texture and good visibility.
Smell its smell, often with a stimulating smell, close to the fine smell, this smell is pungent, can be keenly perceived by the sense of smell.
As for the boiling point, it is in a specific numerical range. When the external pressure reaches the standard atmospheric pressure, its boiling point is [X] ° C. At this temperature, the substance gradually changes from liquid to gaseous state, and the thermal motion of the molecule intensifies, breaking free from the liquid phase. < Br >
In terms of melting point, there is also a certain definition, which is [X] ° C. When the temperature drops to this point, the substance solidifies from liquid to solid, and the molecular arrangement tends to be ordered from disorder.
In terms of density, its density at room temperature is [X] g/cm ³, which is larger or smaller than the density of water. This property is related to its distribution in many mixed systems.
In terms of solubility, in organic solvents, such as ethanol, ether, etc., it exhibits good solubility and can be miscible with these solvents in a certain proportion; however, in water, its solubility is relatively limited and can only be dissolved a little, which is closely related to the polarity of its molecular structure and other factors.
These physical properties are of great significance in many fields such as chemical synthesis and material preparation, and provide a key reference for related industrial production and scientific research practice.

2% 2C3-difluoro-1-chloropropene This material is not very stable. Although it can be stable under normal temperature and pressure, it will be active under special circumstances.
First, when heated, this compound is easy to decompose, releasing harmful gases such as hydrogen halide. Hydrogen halide is highly corrosive and harmful to the environment and human body. This increases the chemical bond energy in the molecule due to heat, and the stability of the bond decreases, causing the molecule to crack.
Second, when it comes into contact with strong oxidants, it is also easy to react. Strong oxidizing agents have the ability to capture electrons, while some atoms or groups of 2% 2C3-difluoro-1-chloropropene may have the possibility of electron conductors. When the two meet, the electrons transfer, triggering a chemical reaction, or causing the risk of combustion or explosion.
Third, light also affects its stability. Light can provide energy to cause the molecule to reach an excited state, which in turn triggers the breaking and rearrangement of chemical bonds, resulting in changes in the properties of the compound.
When storing and using 2% 2C3-difluoro-1-chloropropene, safety procedures must be followed according to its chemical properties. Choose a cool and ventilated storage place to avoid heat, light and oxidants to prevent accidents and ensure the safety of personnel and the environment.

The preparation method of 2% 2C3-dideuterium-1-naphthol, although the ancient book "Tiangong Kaiwu" does not directly describe this material, it can be deduced according to the chemical process wisdom contained in it.
The method of making naphthol by husband should start with naphthalene. For naphthalene, the aromatic hydrocarbons extracted from coal tar are also. First sulfonate naphthalene, and the sulfuric acid is co-heated with it. The sulfonation check point of naphthalene is either at the α position or at the β position, which is related to the temperature and the concentration of sulfuric acid. If the temperature is slightly lower and the concentration of sulfuric acid is slightly dilute, the α-naphthalenesulfonic acid is the main one; if the temperature is slightly higher and the concentration of sul After
naphthalenesulfonic acid is obtained, the method of alkali melting is followed. Naphthalenesulfonic acid is co-melted with sodium hydroxide, and the sulfonic acid group is replaced by a hydroxyl group to obtain naphthol. To obtain 2% 2C3-dideuterium-1-naphthol, a deuterium source needs to be introduced in the key step. Before sulfonation, naphthalene can be reacted with deuterium-containing reagents, such as heavy water (D _ 2O), to replace the hydrogen atom at a specific position on the naphthalene ring with deuterium atoms. However, the structure of naphthalene is stable, and it is difficult to react directly with heavy water. When finding suitable catalysts, such as some transition metal complexes
Or in the alkali melting step, when a deuterium-containing base, such as deuterated sodium hydroxide (NaOD), replaces ordinary sodium hydroxide, and replaces the sulfonic acid group with a hydroxyl group, deuterium atoms are introduced to obtain 2% 2C3-dideuterium-1-naphthol. However, no matter what method, the reaction conditions, such as temperature, time, and reagent ratio, etc., are carefully controlled, and the product is slightly impure or the yield is low. This is all for those who pay attention to making 2% 2C3-dideuterium-1-naphthol.

2% 2C3-dihydro-1-indanone is an organic compound. When storing and transporting, you must pay attention to the following matters:
One is storage. Because of its nature or relatively active, it needs to be stored in a cool and ventilated warehouse. This environment can effectively avoid chemical reactions caused by excessive temperature. The temperature of the warehouse should be controlled in a suitable range to prevent material deterioration. At the same time, it should be kept away from fire and heat sources to prevent all sources that may cause fire. Because of its flammability, it is very easy to burn in case of open flames and hot topics, so the fire source must be kept away. And it should be stored separately from oxidants, acids, bases, etc., and must not be mixed. This is because the substance comes into contact with these substances, or a violent chemical reaction occurs, resulting in a dangerous situation. In addition, the storage area should be equipped with suitable materials to contain the leakage, so that in the event of leakage, it can be dealt with quickly and effectively to prevent the spread of pollution.
The second is related to transportation. Be sure to ensure that the packaging is complete and the loading is secure before transportation. If the packaging is damaged, it is easy to cause material leakage and cause safety problems. During transportation, make sure that the container does not leak, collapse, fall, or damage. Be careful when driving to avoid bumps and collisions. Moreover, the tank (tank) car used during transportation should have a grounding chain, and holes can be set in the tank to baffle to reduce the static electricity generated by shock. This is due to the accumulation of static electricity or cause fire or even explosion. During transportation, it is necessary to prevent exposure to sun, rain, and high temperature. High temperature and rain invasion may affect the stability of materials. Stopover should also be kept away from fire, heat sources, and high temperature areas. At the same time, it is strictly forbidden to mix with oxidants, acids, alkalis, etc. to prevent dangerous reactions during transportation.
Only by strictly following the above storage and transportation precautions can the safety of 2% 2C3-dihydro-1-indanone during storage and transportation be ensured to the greatest extent and accidents can be avoided.