5 Bromo 3 Methylthiophene 2 Carboxylic Acid
quinoline thiophene imidazole thiazole

5-bromo-3-methylthiophene-2-carboxylic acid

Taiy Chemical

    Specifications

    HS Code

    273603

    Chemical Formula C6H5BrO2S
    Molar Mass 221.07 g/mol
    Appearance Solid (usually white or off - white)
    Physical State At Room Temp Solid
    Melting Point Data needed (varies, typically in a certain range for this compound)
    Boiling Point Data needed (estimated based on similar compounds)
    Solubility In Water Low (organic acid with non - polar groups)
    Solubility In Organic Solvents Soluble in common organic solvents like ethanol, dichloromethane
    Density Data needed (should be measured experimentally for accurate value)
    Acidity Pka Data needed (characteristic value for this carboxylic acid)

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    General Information
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    Frequently Asked Questions

    As a leading 5-bromo-3-methylthiophene-2-carboxylic acid supplier, we deliver high-quality products across diverse grades to meet evolving needs, empowering global customers with safe, efficient, and compliant chemical solutions.

    What are the physical properties of 5-bromo-3-methylthiophene-2-carboxylic acid?
    5-Bromo-3-methylthiophene-2-carboxylic acid, this substance is an organic compound. Its physical properties are quite characteristic, let me explain in detail.
    Looking at its morphology, at room temperature, it is mostly white to white solid powder. This is due to the characteristics of intermolecular forces. Molecular interactions cause the substance to form a relatively regular aggregate state, so it presents a powder state.
    As for the melting point, it is about a specific temperature range. This melting point is greatly affected by the molecular structure. The interaction between bromine atoms, methyl groups, and thiophene rings and carboxyl groups in the molecule makes the intermolecular force reach a certain degree, and a specific energy is required to destroy the lattice, causing the substance to change from solid to liquid. This specific temperature is the melting point.
    In terms of solubility, in organic solvents, such as common ethanol, dichloromethane, etc., it shows a certain solubility. Because the molecular structure of the compound contains a polar group carboxyl group, and the thiophene ring and methyl group have certain hydrophobicity, it has similar compatibility properties with organic solvent molecules, so it can be dissolved in organic solvents. However, in water, its solubility is relatively poor, the polarity of edge water is not well matched with the overall polarity of the compound, and the interaction between water molecules and compound molecules is difficult to overcome, resulting in limited dissolution in water.
    Its density is also a specific value, which reflects the degree of tight packing of molecules and is closely related to the size, shape and arrangement of molecules. Overall, the physical properties of 5-bromo-3-methylthiophene-2-carboxylic acids are determined by their unique molecular structures, which are of great significance for their applications in chemical synthesis, materials science and many other fields.
    What are the chemical properties of 5-bromo-3-methylthiophene-2-carboxylic acid?
    5-Bromo-3-methylthiophene-2-carboxylic acid, this is an organic compound. It has many unique chemical properties.
    First of all, its acidity is acidic because it contains a carboxyl group. The carboxyl group can ionize hydrogen ions and can neutralize with bases in aqueous solution. In case of sodium hydroxide, the corresponding carboxylate and water can be formed. This reaction is a typical example of acid-base neutralization, showing its acidic properties.
    Furthermore, the characteristics of its halogenated groups cannot be ignored. The bromine atom in the molecule has active chemical activity. Under specific conditions, nucleophilic substitution reactions can occur. For example, when reacting with sodium alcohol, bromine atoms can be replaced by alkoxy groups to form new compounds, which broadens the way of derivatization.
    And because the molecule contains thiophene rings, it is endowed with aromatic-related properties. The conjugation system of thiophene rings makes the molecule have certain stability, and at the same time affects the distribution of its electron cloud, which in turn affects its reactivity. In some electrophilic substitution reactions, the substitution check point on the thiophene ring is affected by its conjugation effect and the localization effect of methyl and bromine atoms. The presence of
    methyl groups, as the power supply subgroups, affects the density distribution of molecular electron clouds. In addition, the physical properties of 5-bromo-3-methylthiophene-2-carboxylic acid are also related to its chemical properties. Its solubility, melting point, boiling point and other properties are affected by the interaction of various groups in the molecular structure. The polarity of the molecule is determined by the carboxyl group, bromine atom, thiophene ring, methyl group, etc., which in turn affects its solubility in different solvents.
    What are the main uses of 5-bromo-3-methylthiophene-2-carboxylic acid?
    5-Bromo-3-methylthiophene-2-carboxylic acid, an organic compound, has a wide range of uses.
    In the field of organic synthesis, it is a key intermediate. Chemists can convert it into corresponding esters by performing various reactions, such as esterification. These esters are of great significance in the preparation of fragrances and plasticizers. For example, by esterification with alcohols through a specific process, the resulting esters may impart a unique aroma to fragrances or bring desirable properties to plasticizers.
    Furthermore, it can participate in halogenation reactions. The bromine atom in 5-bromo-3-methylthiophene-2-carboxylic acid molecules is highly active and can be substituted with other nucleophiles. For example, when reacted with nitrogen-containing nucleophiles, nitrogen-containing heterocyclic compounds can be constructed. Such compounds are of great significance in the field of medicinal chemistry and are likely to have biological activities, laying the foundation for the development of new drugs.
    In the field of materials science, polymer materials derived from them have attracted much attention. The polymer formed by polymerization of this compound as a monomer may have special electrical and optical properties. For example, in organic optoelectronic materials, such polymers can be applied to organic Light Emitting Diodes (OLEDs) or organic solar cells, because of their structural properties or their ability to effectively transport charges and adjust luminescence properties, thereby improving the efficiency and performance of the device.
    In addition, it also has potential uses in the field of pesticides. Using it as a starting material, compounds with insecticidal and bactericidal activities can be prepared through a series of reactions. Due to its unique molecular structure, it may have an action mechanism against specific pests or pathogens, providing the possibility for the creation of new pesticides. In conclusion, 5-bromo-3-methylthiophene-2-carboxylic acids have shown important value and wide application prospects in many fields such as organic synthesis, materials science, drug research and development, and pesticide creation due to their unique chemical structure.
    What are the synthetic methods of 5-bromo-3-methylthiophene-2-carboxylic acid?
    The synthesis method of 5-bromo-3-methylthiophene-2-carboxylic acid is not directly described in the ancient book "Tiangong Kaiwu", but it can be explored by following the ancient chemical process ideas.
    In the past, if you want to make this substance, you may first take sulfur, carbon, and hydrogen-containing raw materials, such as sulfur-containing ores and organic hydrocarbons, and heat and blend it in an ancient way to combine sulfur and hydrocarbons at high temperature to form the embryonic form of thiophenes. However, this process requires exquisite temperature control. If the temperature is too high, the product will be easy to crack; if the temperature is low, the reaction will be difficult.
    As for the introduction of methyl, or reagents containing methyl can be found, such as halogenated methane. In an appropriate solvent, add alkali catalysis to react halogenated methane with primary thiophene derivatives to achieve the purpose of methyl substitution. In this step, attention must be paid to the choice of solvent, whose polarity and boiling point are all related to the success or failure of the reaction.
    The introduction of bromine atoms can be obtained by brominating agents, such as liquid bromine or hydrogen bromide. In the presence of light or catalyst, the brominating agent reacts with thiophene derivatives containing methyl to locate the bromine atom at a specific 5-position. However, the bromination reaction is active and easy to cause polybromination by-products, so precise time control is required.
    As for the formation of carboxyl groups, thiophene derivatives can be reacted with carbon monoxide under high pressure and catalyst environment first, or halogenated derivatives can be reacted with sodium cyanide to form nitrile groups, and then hydrolyzed to obtain carboxylic groups. This series of steps requires careful operation by craftsmen and subtle changes in the reaction to obtain 5-bromo-3-methylthiophene-2-carboxylic acid with higher purity.
    What is the price range of 5-bromo-3-methylthiophene-2-carboxylic acid in the market?
    The prices in the market often change with time, and also vary according to the amount of production and the urgency of seeking. As for 5-bromo-3-methylthiophene-2-carboxylic acid, its price is in the market, and there is no fixed number.
    Looking at the past "Tiangong Kaiwu", the price of all things has its own reasons. This chemical thing, if the method of making it is simple, the raw materials are easy to find and abundant, the price is low. Like the soil of pottery, it can be obtained everywhere, so the price of pottery is usually flat. If the production requires exquisite skills, the raw materials are rare and expensive, and the price is high. < Br >
    Today's 5 - bromo - 3 - methylthiophene - 2 - carboxylic acid, if the industry is wide, there are many applicants, and there are few producers, the price will be high. On the contrary, if there are few users and many producers, the price will be low.
    I have heard of various chemical products, and the price will be different depending on the place of origin. If it is shipped from a distance, the price will be higher than that produced nearby. And the market situation is changing rapidly, and the price yesterday was not the current price. Therefore, it is difficult to know the exact price. Roughly speaking, as little as a few gold per gram, as many as dozens of gold per gram, this also moves with the city, for reference only, and the actual price needs to be asked by the merchants in the city.