3,4,5-Trihydroxybenzoic acid, also known as gallic acid, its main uses are as follows:
Gallic acid In the field of medicine, it has astringent, hemostatic and antibacterial effects. It can be used to make hemostatic drugs, such as for internal bleeding such as hemoptysis, vomiting blood and trauma bleeding. In terms of antibacterial, it has inhibitory effects on a variety of bacteria and can assist in the treatment of infectious diseases. In pharmaceutical preparations, it is used as an antioxidant to prevent oxidative deterioration of drugs and ensure the quality and stability of drugs.
In the food industry, gallic acid is a commonly used antioxidant. It can be added to easily oxidized foods such as oils and meats to prevent rancidity and food deterioration and prolong the shelf life. Because of its natural and safety characteristics, it is favored by food companies. At the same time, it can also be used as a food preservative to maintain food color, flavor and nutritional content.
In the chemical industry, it is an important raw material for organic synthesis. It can be used to synthesize gallate esters, such as propyl gallate, which is widely used in cosmetics, plastics, rubber and other industries as an antioxidant and stabilizer. In addition, it can also be used in the preparation of dyes, inks, etc., giving the product good dyeing performance and stability.
In agriculture, gallate can be used as a plant growth regulator. When used at an appropriate concentration, it can promote plant growth, improve stress resistance, enhance plant resistance to pests and diseases and adverse environments, and improve crop yield and quality.
In summary, 3,4,5-trihydroxybenzoic acid is widely used and plays an important role in the fields of medicine, food, chemical industry, agriculture, etc. It is of great significance to people's lives and industrial production.

3,4,5-Tricarboxylbenzoic acid, its physical properties are as follows:
This substance is usually in the state of white to light yellow crystalline powder. Looking at its appearance, it is fine and uniform in texture. Regarding the melting point, it is about 230-235 ° C. In this temperature range, it gradually melts from solid to liquid. This property makes it possible to achieve phase transition under specific temperature conditions, and may have important applications in materials processing and other fields.
Its solubility is quite characteristic, and its solubility in water is limited. However, it has good solubility in some organic solvents such as dimethyl sulfoxide (DMSO) and N, N-dimethylformamide (DMF). This difference in solubility makes it possible to select suitable solvents according to their characteristics in different chemical environments to help them participate in various reactions or form homogeneous systems.
From the density point of view, it is about 1.6 - 1.7 g/cm ³. This value indicates a specific ratio between its mass and volume. When mixed with other substances or involved in the preparation of composites, this density characteristic affects the uniformity and stability of the system.
In addition, 3,4,5-tricarboxylbenzoic acid has a certain sublimation property. Although it is not noticeable at room temperature, it can be directly converted from a solid state to a gaseous state under specific temperature and pressure conditions. This property can be used in some separation and purification processes.
Its stability is also worthy of attention. Under normal environmental conditions, it can maintain a relatively stable state. However, in extreme chemical environments such as strong acids and bases, or special physical environments such as high temperature and high humidity, its chemical structure may change, which in turn affects its physical properties and chemical activities.

3,4,5-Tricarboxylbenzene-arsenic is a chemical substance with unique properties. This substance is acidic, and because of its tricarboxyl group, it can release protons in water and be acidic. Its carboxyl group can complex with metal ions to form a stable complex. This property may be useful in many fields, such as the separation and enrichment of metal ions.
Furthermore, the presence of arsenic atoms in its structure gives it certain toxicity. Arsenic compounds are toxic, and 3,4,5-tricarboxylbenzene-arsenic is no exception. When using and disposing, care should be taken to prevent harm to organisms and the environment.
Because of its benzene-containing ring structure, it has certain stability and conjugated system, which affects its physical and chemical properties. The conjugated system can cause it to absorb light at a specific wavelength, which may be used in analytical chemistry for detection and quantification.
In addition, its solubility may be related to the polarity of the solvent. The carboxyl group is hydrophilic, but the benzene ring and the arsenic atom have a certain hydrophobicity, and it may have a certain solubility in polar solvents, depending on the properties of the solvent and temperature. The unique chemical properties of 3,4,5-tricarboxylbenzene-arsenic, including acidity, complexicity, toxicity, and structural properties, make it both an opportunity and a challenge in the fields of chemistry, biology, and environment.

There are many methods for synthesizing 3,4,5-tribromobenzoic acid, and several are listed below.
First, benzoic acid is used as the starting material and prepared by bromination reaction. First, benzoic acid is placed in an appropriate reaction vessel, and an appropriate amount of catalyst is added, such as iron powder or iron tribromide. Then bromine is slowly added dropwise to control the reaction temperature and dropwise rate. Bromine and benzoic acid undergo electrophilic substitution under the action of the catalyst, and bromine atoms are gradually introduced. This process requires attention to the precise control of the reaction conditions. If the temperature is too high, it is easy to form polybrominated by-products, and if it is too low, the reaction rate will be delayed.
Second, start from the corresponding benzene derivatives. For example, using p-methylbenzoic acid as a raw material, the methyl group is first converted into a carboxyl group through an oxidation reaction, and then brominated. The oxidation step can choose a strong oxidizing agent, such as potassium permanganate, etc., to convert the methyl group into a carboxyl group to obtain a benzoic acid derivative. The subsequent bromination reaction is similar to the above-mentioned ones using benzoic acid as a raw material. With the help of a catalyst, the bromine and the benzene ring are substituted, and bromine atoms are introduced at specific positions to achieve the purpose of synthesizing 3,4,5-tribromobenzoic acid.
Third, it can also be started from bromine-containing benzene derivatives. Select suitable bromine-containing benzene derivatives, and modify and transform their functional groups through a series of reactions. Steps such as substitution reactions and oxidation reactions are used to gradually build the structure of This path requires fine planning of the reaction sequence and conditions to ensure the smooth progress of each step of the reaction and improve the purity and yield of the product.
When synthesizing 3,4,5-tribromobenzoic acid, no matter what method is used, the reaction conditions need to be carefully considered and optimized, and the separation and purification of intermediates and products cannot be ignored in order to achieve the ideal synthesis effect.

When storing and transporting 3,4,5-tribromobenzoic acid, there are several matters that need to be paid attention to.
The first priority is moisture protection. If this substance is damp, it may cause quality deterioration, which will affect its chemical properties and use. When storing, it should be placed in a dry place, which can be stored with desiccant, and the packaging used must have good moisture resistance, such as sealed plastic containers or moisture-proof paper bags, to prevent moisture intrusion.
The second is heat avoidance. High temperature may cause the substance to decompose or other chemical reactions to occur, which will damage its quality. The temperature of the storage place should be maintained in an appropriate range, away from heat sources, such as heating, furnaces, etc., and the direct sun should be avoided when transporting. If it is hot, cooling measures may be taken.
Furthermore, it is necessary to prevent mixed contact with other chemicals. 3,4,5-Tribromobenzoic acid has specific chemical activities, contact with certain substances, or cause adverse reactions, such as oxidation, reduction, etc. In storage and transportation, it should be stored and transported separately from acids, bases, oxidants, reducing agents, etc., to avoid mutual contamination and reaction.
In addition, the storage and transportation process must be well marked. Clearly mark its name, nature, hazards and other key information so that relevant personnel can identify and deal with it. In the event of an emergency, appropriate countermeasures can be taken as indicated in the label.
In addition, handle with care when handling. Because it may be a fragile solid, rough handling can easily cause package damage, which not only causes material leakage, pollutes the environment, but also may endanger personnel safety. Therefore, handling personnel should be careful to ensure that the material is intact.