Name | 3,6-difluorobenzene-1,2-dicarboxylic acid |
Molecular Formula | C8H4F2O4 |
Molecular Weight | 202.11 |
Appearance | Solid (likely white or off - white powder) |
Melting Point | Data needed |
Boiling Point | Data needed |
Solubility In Water | Low solubility (aromatic carboxylic acids are generally sparingly soluble in water) |
Solubility In Organic Solvents | Soluble in some polar organic solvents like DMSO, DMF |
Pka Value | Data needed |
Density | Data needed |
Flash Point | Data needed |
Chemical Formula | C8H4F2O4 |
Molar Mass | 202.11 g/mol |
Appearance | White to off - white solid |
Melting Point | 189 - 192 °C |
Solubility In Water | Low solubility |
Solubility In Organic Solvents | Soluble in some polar organic solvents like DMF, DMSO |
Pka1 | Around 2.9 |
Pka2 | Around 4.0 |
Density | Approximately 1.60 g/cm³ |
Stability | Stable under normal conditions, but may react with strong oxidizing agents |
Chemical Formula | C8H4F2O4 |
Molar Mass | 202.11 g/mol |
Appearance | White to off - white solid |
Solubility In Water | Low solubility |
Melting Point | 180 - 184 °C |
Boiling Point | Decomposes before boiling |
Density | 1.596 g/cm³ |
Pka1 | 2.97 |
Pka2 | 4.18 |
Stability | Stable under normal conditions |
What are the main uses of 3,6-difluorobenzene-1,2-dicarboxylic acid?
3,6-Divinyl-1,2-diacetic acid is commonly used in the field of organic synthesis and has a wide range of uses.
First, it can be used as a monomer for polymerization reactions. Because its molecules contain double bonds, under appropriate conditions, addition polymerization can occur to form polymers with special properties. Such polymers may have good flexibility and chemical resistance, etc., and can be used in the field of materials science to prepare special-purpose plastics, rubber and other polymer materials. For example, in the preparation of some high-end sealing materials, the polymer obtained by the polymerization of this monomer can effectively improve the sealing and durability of the sealing material.
Second, in organic synthesis reactions, it can be used as an important intermediate. With the activity of two vinyl groups and two acetic acid groups, more complex organic compounds can be constructed through various chemical reactions, such as nucleophilic substitution, oxidation, reduction, etc. For example, when synthesizing some biologically active natural product analogs, its unique structure can be used to introduce the required functional groups through multi-step reactions to achieve the synthesis of the target product.
Third, it is also used in the coating industry. The polymer formed by its participation in the polymerization reaction can endow the coating with good film formation and adhesion. The prepared coatings may have high hardness and wear resistance, and can be used for surface protection and decoration of various substrates such as metals and wood, such as in paint formulations in the automotive, furniture, and other industries.
What are the physical properties of 3,6-difluorobenzene-1,2-dicarboxylic acid?
3,6-Diethylbenzene-1,2-dicarboxylic acid is one of the organic compounds. Its physical properties are quite characteristic, let me tell them one by one.
First appearance, under normal circumstances, this compound is mostly white to light yellow crystalline powder, and the texture is delicate, like the first snow in winter, crystal clear and not lost. Its color is pure, and there is little variegation, which is a significant feature of its appearance.
Second, the melting point is about 150 ° C - 155 ° C. When the temperature gradually rises, this substance will disappear in the warm sun like ice, and slowly turn into a liquid state from a solid state. The characteristics of the melting point are crucial when identifying and purifying this compound, just like an accurate ruler to measure its purity and characteristics.
Furthermore, its solubility is also an important physical property. In organic solvents, such as ethanol and acetone, it has a certain solubility. In ethanol, it is like a wanderer returning home, gradually integrating into a uniform system; in acetone, it can also be well dissolved and shows good affinity. However, in water, its solubility is very small, just like the incompatibility of oil and water, which is closely related to the hydrophobicity of the molecular structure.
In addition, the density of the compound is about 1.2 g/cm ³, and the ratio of mass to volume gives it a unique physical texture. Touching it, you can feel that it is slightly heavier than common light powders, but it is not heavy and difficult to lift.
These physical properties are of great significance in many fields such as chemical industry and material science. Or used in the synthesis of special materials, with its melting point and solubility, it can skillfully regulate the reaction process and product properties; or in analysis and testing, according to its appearance, melting point and other characteristics, accurate identification and purification, which is the cornerstone of scientific research and production.
Is the chemical properties of 3,6-difluorobenzene-1,2-dicarboxylic acid stable?
The chemical properties of 3,6-divinyl-1,2-dibenzoic acid are relatively stable. This substance contains a conjugated system, the carbon-carbon double bond is conjugated with the benzene ring, and the electron delocalization causes the energy of the system to decrease and the stability to increase. The benzene ring is aromatic and has a stable structure, which stabilizes the whole molecule.
However, its double bond can participate in the reaction. Under suitable conditions, an addition reaction can occur, such as addition with hydrogen, the double bond becomes a single bond, forming a saturated structure; it can also be added with halogens, hydrogen halides and other electrophilic reagents. Due to the high density of the double bond electron cloud, the electrophilic reagents are easy to attack. In addition, the benzene ring can be replaced by electrophilic reagents, such as halogenation, nitrification, sulfonation, etc.
Although it has a certain reactivity, the overall chemical properties are still stable. The conjugated system and the structure of the benzene ring endow it with relative stability, and the molecular structure is difficult to destroy under non-extreme conditions.
What are the preparation methods of 3,6-difluorobenzene-1,2-dicarboxylic acid?
The preparation method of 3,6-divinyl-1,2-diacetic acid is not directly described in the ancient book "Tiangong Kaiwu", but it can be inferred by the wisdom of the ancients and similar processes.
The ancient preparation of various compounds often relies on natural things and simple methods. To make this product, one can find natural oils or plant extracts containing corresponding functional groups. In the past, the ancestors often hydrolyzed from oils to obtain various acids. If an oil containing suitable carbon chains and unsaturated bonds is found, it can be hydrolyzed, esterified and other steps, or the desired product precursor can be obtained. First, the oil is hydrolyzed with alkali solution. This step imitates the saponification method of the ancients to obtain fatty salts, and then acidified to obtain fatty acids.
Second, the method of fermentation can be borrowed. The ancient fermentation process is exquisite, and the substrate is transformed by specific microorganisms. It is possible to find microorganisms that can metabolize and generate related substances containing vinyl and acetic acid groups, and cultivate them in a suitable temperature, humidity and nutrient environment. Controlling fermentation conditions, such as adjusting pH, oxygen supply conditions, etc., prompts microorganisms to metabolize in the desired direction, accumulate intermediate products containing target functional groups, and then separate, purify, and transform them to obtain 3,6-divinyl-1,2-diacetic acid.
Third, start with natural flavors or plant essential oils. In ancient times, flavors and essential oils were often obtained from plants by distillation and extraction, and many of them contained vinyl or acetic acid groups. Chemical modification of it, such as esterification, addition and other reactions. Drawing on the method of the ancients using wine as a medium to promote esterification, select suitable alcohols and acids, and under the action of catalysts, simulate the reaction environment of the ancient times, or gradually build the structure of the target compound. After subsequent refining, the final product is 3,6-divinyl-1,2-diacetic acid.
What is the price range of 3,6-difluorobenzene-1,2-dicarboxylic acid in the market?
What I am asking you is about the price range of 3,6-diethylnaphthalene-1,2-dicarboxylic acid in the market. However, this compound is not a common daily use product, and its price varies greatly due to many factors such as quality, purity, supply and demand, and sellers.
If its purity is quite high, it can be used in precise fields such as scientific research experiments. Due to the fine process required for preparation, it costs a lot, and the price will be high. Or it can reach tens of gold per gram, or even higher, depending on the specific purity and demand.
If it is industrial grade, although the purity is slightly inferior, the dosage is relatively large, and the price may depend on the batch. The larger the batch, the unit price may decrease slightly. However, it also fluctuates due to changes in market supply and demand.
And the market varies greatly from place to place. The prosperous capital is Dayi, due to active business, diverse demand, or different prices; in remote places, due to logistics, demand, etc., prices are also different.
Furthermore, the chemical raw material market is changing, sometimes the supply is sufficient, the price is stable or falling; sometimes the raw materials are scarce, and the price is skyrocketing. Therefore, in order to determine its price range, we should carefully investigate the chemical raw material trading platform, consult chemical product suppliers, and obtain accurate prices with real-time information.