4 5 Difluorobenzene 1 2 Dicarboxylic Acid
Fluorine Difluoride Fluorobenzene Fluorobenzyl Trifluorotoluene
4,5-Difluorobenzene-1,2-dicarboxylic acid
Name 4,5-Difluorobenzene-1,2-dicarboxylic acid
Chemical Formula C8H4F2O4
Molar Mass 202.11 g/mol
Appearance Solid (likely white or off - white powder)
Physical State At Room Temperature Solid
Solubility In Water Low solubility (due to non - polar benzene ring and limited ability to form extensive H - bonds with water)
Melting Point Typically in a certain range (exact value may vary based on purity, but generally high for this type of carboxylic acid derivative)
Boiling Point High boiling point as it has strong intermolecular forces like hydrogen bonding and van der Waals forces
Acidity It is a carboxylic acid, so it is acidic, with pKa values characteristic of aromatic dicarboxylic acids
Reactivity Can react with bases to form salts, with alcohols to form esters in the presence of a catalyst, and can undergo other typical carboxylic acid reactions
Chemical Formula C8H4F2O4
Molar Mass 202.11 g/mol
Appearance Solid (presumably white crystalline powder)
Physical State At Room Temp Solid
Melting Point Data needed
Boiling Point Data needed
Solubility In Water Low solubility expected (organic acid, non - polar benzene ring)
Solubility In Organic Solvents Soluble in common organic solvents like DMSO, DMF
Density Data needed
Acidity Pka Data needed
Stability Stable under normal conditions, may react with strong bases or oxidizing agents
Odor Odorless or faint odor expected
Name 4,5-Difluorobenzene-1,2-dicarboxylic acid
Molecular Formula C8H4F2O4
Molecular Weight 202.11
Appearance Solid (predicted)
Boiling Point 406.4°C at 760 mmHg (predicted)
Melting Point 234 - 236°C
Density 1.652 g/cm³ (predicted)
Pka1 2.44 (predicted)
Pka2 4.12 (predicted)
Water Solubility Slightly soluble in water (predicted)
FAQ

What are the main uses of 4,5-difluorobenzene-1,2-dicarboxylic acid?

4,5-Diethyl-1,2-dimethylbenzene is widely used in the field of chemical synthesis today. It is often used as a key intermediate in organic synthesis, and can be derived from other organic compounds through many chemical reactions.

At the end of fragrance manufacturing, 4,5-diethyl-1,2-dimethylbenzene can add a different flavor to fragrances. Its unique chemical structure can produce a special fragrance, adding a unique flavor to fragrance formulations, increasing its richness and layering.

In the field of medicinal chemistry, its role should not be underestimated. As an intermediate, it can participate in the synthesis of compounds with specific pharmacological activities. Through modification and transformation, pharmaceutical ingredients that have curative effects on specific diseases may be obtained. For example, when developing some targeted therapeutic drugs, this is used as a starting material to build complex active molecular structures through multi-step reactions.

However, this substance has certain toxicity and danger. During production, storage and use, strict safety procedures must be followed. If handled improperly, it may cause harm to the human body and the environment. Its volatile gas may irritate the respiratory tract and skin; inadvertently ingested or absorbed, or damage human health. Therefore, the workplace must be well ventilated, and the operator should also take appropriate protective measures.

In addition, for the transportation and storage of 4,5-diethyl-1,2-dimethylbenzene, appropriate packaging and conditions must also be selected in accordance with relevant regulations to prevent leakage and accidents, so as to ensure the safety of personnel and the environment from pollution.

What are the physical properties of 4,5-difluorobenzene-1,2-dicarboxylic acid?

4,5-Diethyl-1,2-dimethylbenzoic acid is one of the organic compounds. Its physical properties are as follows:

Under normal temperature, it is mostly white to light yellow crystalline powder, which is easy to identify and easy to handle and observe.

When it comes to the melting point, it is about a specific temperature range. This temperature characteristic is very important for the identification and purity judgment of substances. Due to the slight difference in the melting point of different purity substances, it is often an important indicator for judging the purity.

As for the boiling point, it needs to be under the corresponding pressure conditions to reach a specific temperature and boil. The determination of the boiling point not only helps to understand the volatility of the substance, but also is of great significance in its separation and purification process.

In terms of solubility, it shows a certain solubility in organic solvents such as ethanol and ether. This characteristic makes it possible to choose a suitable solvent to promote the reaction in organic synthesis reactions. In water, its solubility is relatively limited, which is also in line with the generality of many organic compounds.

In terms of density, it has a specific value, which reflects the mass of the substance per unit volume. In chemical production and related research, it provides an important parameter basis for the measurement and ratio of materials.

Its physical properties play an indispensable role in the research of organic chemistry, the practice of organic synthesis, and related chemical production, laying an important foundation for people to understand and use this substance.

What are the synthesis methods of 4,5-difluorobenzene-1,2-dicarboxylic acid?

The synthesis method of 4,5-diethyl-1,2-dimethylbenzoic acid is related to the technology of organic chemical synthesis. This synthesis path often involves several chemical steps and reactions to obtain this compound.

One, or a suitable starting material can be used to introduce ethyl and methyl through an alkylation reaction. In the reaction, a suitable alkylation reagent, such as halogenated alkanes, is selected. Under the catalysis of a base, a nucleophilic substitution reaction occurs with the parent compound, so that ethyl and methyl are connected to a specific position in the benzene ring. This step requires precise control of the reaction conditions, such as temperature, reaction time and reagent dosage, to ensure the selectivity of the reaction and avoid the occurrence of side reactions.

Furthermore, the construction of benzoic acid may be achieved by oxidation reaction. The corresponding benzene derivative is used as the substrate, and the appropriate oxidant, such as potassium permanganate or potassium dichromate, is used under suitable solvent and reaction conditions. The substituent group on the benzene ring is oxidized to a carboxyl group to form the benzoic acid structure. This oxidation process also needs to be carefully controlled to prevent excessive oxidation, resulting in damage to the purity and yield of the product.

Or it can be considered to be synthesized through subsequent treatment of esterification reaction. First prepare a benzoate containing the desired substituent, and then through hydrolysis reaction, the ester group is converted to a carboxyl group to obtain the target product 4,5-diethyl-1,2-dimethylbenzoic acid. In this process, the optimization of esterification conditions, such as the choice of catalyst, the proportion of reactants, and the acid-base conditions of the hydrolysis reaction, are all key factors affecting the success or failure of the synthesis.

Synthesis of 4,5-diethyl-1,2-dimethylbenzoic acid requires comprehensive consideration of the characteristics and requirements of each reaction step, careful design of the reaction route, and strict control of the reaction conditions, in order to improve the purity and yield of the product and achieve the purpose of synthesis.

What is the price of 4,5-difluorobenzene-1,2-dicarboxylic acid in the market?

The market price of 4,5-diethyl-1,2-dimethyl acid often varies with supply and demand over time and place. It is a commonly used chemical product and is widely used in various industries. If demand changes, the price will fluctuate.

If the market demand is strong and supply is limited, its price will tend to rise. If at a specific time, the related industry is booming, the use of materials will increase, and it is difficult for producers to increase their production quickly, the price will rise.

On the contrary, if there is less demand and more supply, the price will decline. Producers compete to reduce prices in order to sell their goods. If new production methods come out, production will increase greatly, supply will exceed demand, and prices will also decrease.

In the past, the price fluctuated between tens of yuan and hundreds of yuan. However, this is only an approximation, and the actual price must be determined according to the current market conditions. Those who purchase this product should check the market conditions at the right time to obtain a good price.

What are the storage conditions for 4,5-difluorobenzene-1,2-dicarboxylic acid?

4,5-Diethyl-1,2-dimethylbenzoic acid should be stored in a cool, dry and well-ventilated place. This compound is easy to decompose when heated, and can cause combustion in case of open flames or hot topics, so be sure to keep away from fire and heat sources. Because of its certain chemical activity, it should avoid contact with strong oxidants, strong acids, strong alkalis and other substances to prevent violent chemical reactions, which can cause material deterioration or cause danger.

Storage containers should also be carefully selected. They should be made of corrosion-resistant and well-sealed materials, such as glass bottles or specific plastic containers, and the containers should be clearly marked, indicating the name, properties and precautions of the compound. In terms of warehouse management, it is necessary to keep it clean and orderly, with corresponding fire fighting equipment and leakage emergency treatment equipment. At the same time, the storage area should be restricted to personnel to prevent irrelevant personnel from accidentally touching and causing harm. For the temperature and humidity of the storage environment, it should be controlled within a specific range, the temperature should be 5 ° C to 30 ° C, and the relative humidity should be maintained at 40% - 70% to avoid improper temperature and humidity affecting the stability of the compound. In this way, the safety and quality stability of 4,5-diethyl-1,2-dimethylbenzoic acid during storage can be ensured.