The product we are introducing is Factory Supply chromium(ii) formate with CAS number 4493-37-2. Chromium(II) formate is an inorganic compound with the chemical formula Cr(HCOO)₂. It usually appears as a light - blue or blue - green solid at room temperature. This product is offered at the best price from our factory, ensuring high - quality supply.
Regarding its physical properties, it has a certain solubility in water. The molar mass of chromium(II) formate can be calculated based on its chemical formula. Chromium has an atomic mass of approximately 52 g/mol, hydrogen is about 1 g/mol, carbon is about 12 g/mol, and oxygen is about 16 g/mol. For Cr(HCOO)₂, the molar mass is around 148 g/mol. Its density and melting point are important physical parameters that affect its storage and handling. The density might be in the range typical for similar inorganic salts, and the melting point needs to be accurately determined according to laboratory analysis.
Chromium(II) formate has various applications in different fields. In the chemical industry, it can be used as a catalyst in certain organic synthesis reactions. It can participate in redox reactions and promote the transformation of organic compounds, helping to improve the reaction rate and product yield. For example, in the synthesis of some complex organic molecules, chromium(II) formate can act as a key intermediate to facilitate the formation of new chemical bonds.
In the field of materials science, it can be used in the preparation of some special chromium - containing materials. These materials may have unique magnetic, electrical, or optical properties, which are used in high - tech applications such as sensors and electronic devices. In addition, chromium(II) formate can also be used in the electroplating industry. It can be used as a chromium source in electroplating solutions to deposit a chromium layer on the surface of the substrate, improving the corrosion resistance and wear resistance of the substrate.
When using chromium(II) formate, proper safety measures should be taken. First of all, it is necessary to wear appropriate protective equipment, such as gloves and goggles, to avoid direct contact with the skin and eyes. In the laboratory, it should be operated in a well - ventilated fume hood to prevent inhalation of dust or vapors.
For its use in chemical reactions, it needs to be accurately weighed according to the reaction requirements and then added to the reaction system. Usually, it is first dissolved in an appropriate solvent, such as water or an organic solvent, to form a homogeneous solution. The reaction conditions, such as temperature, pH value, and reaction time, need to be strictly controlled to ensure the smooth progress of the reaction. In electroplating applications, the concentration of chromium(II) formate in the electroplating solution, as well as the current density and electroplating time, also need to be precisely adjusted to obtain a high - quality chromium coating.
Case 1: Organic Synthesis
A research group in a chemical laboratory was trying to synthesize a new type of pharmaceutical intermediate. They used chromium(II) formate as a catalyst in the reaction. By adding a certain amount of chromium(II) formate to the reaction mixture and controlling the reaction temperature at 80°C for 5 hours, they successfully increased the yield of the target product from 40% to 70%. The reaction mechanism was that chromium(II) formate participated in the redox process, promoting the transfer of electrons and facilitating the formation of the key chemical bond in the target molecule.
Case 2: Electroplating
An electroplating factory used chromium(II) formate in the electroplating process of automotive parts. They prepared an electroplating solution with a specific concentration of chromium(II) formate. By adjusting the current density and electroplating time, they obtained a chromium - plated layer on the surface of the automotive parts with good corrosion resistance and smoothness. After salt - spray testing, the corrosion resistance time of the electroplated parts was extended from 200 hours to 500 hours, significantly improving the quality and service life of the automotive parts.
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This is William, CEO of Zhishang Chemical Co., Ltd.
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