The product is 5 - Nitrosalicylic acid, with the CAS number 96 - 97 - 9. It is available from factory supply at the best price. Chemically, 5 - Nitrosalicylic acid is an organic compound. Its molecular formula is (C_7H_5NO_5), and its molecular weight is approximately 183.12 g/mol.
This compound appears as a light - yellow to yellow crystalline powder. It has certain solubility properties. It is sparingly soluble in water but more soluble in organic solvents such as ethanol and ether. The melting point of 5 - Nitrosalicylic acid is around 228 - 230°C. These physical and chemical properties are crucial for understanding its behavior in various processes.
5 - Nitrosalicylic acid has a wide range of applications in different fields. In the pharmaceutical industry, it serves as an important intermediate for the synthesis of various drugs. It can be used to prepare anti - inflammatory and analgesic drugs. The nitro group and the salicylic acid structure in its molecule provide unique reactivity and biological activity, which are beneficial for drug development.
In the field of dyes, it can be used as a raw material for the synthesis of some dyes. The compound's chemical structure allows it to participate in complex chemical reactions to form colored substances with specific properties. Additionally, in the field of organic synthesis, 5 - Nitrosalicylic acid is a valuable building block for the creation of more complex organic molecules.
When handling 5 - Nitrosalicylic acid, proper safety precautions should be taken. Wear appropriate personal protective equipment, such as gloves and safety goggles, to avoid direct contact with the skin and eyes. In a laboratory or industrial setting, when using it as a reactant in a chemical reaction, accurate weighing is essential. Use an analytical balance to measure the required amount of the product according to the reaction formula.
For dissolution, if using organic solvents, add the 5 - Nitrosalicylic acid slowly to the solvent while stirring gently. When carrying out chemical reactions, control the reaction conditions carefully, including temperature, pressure, and reaction time. For example, in some reactions, heating may be required, but the temperature should be strictly controlled within the appropriate range to ensure the reaction proceeds smoothly and safely.
Caso 1: Síntesis farmacéutica
In a pharmaceutical research project, 5 - Nitrosalicylic acid was used as an intermediate to synthesize a new anti - inflammatory drug. First, in a round - bottom flask, 5 - Nitrosalicylic acid was reacted with a specific amine compound under the action of a catalyst. The reaction was carried out in an organic solvent at a temperature of 80°C for 5 hours. After the reaction, through a series of purification steps such as filtration, recrystallization, and column chromatography, a pure product with anti - inflammatory activity was obtained. The yield of this synthesis process was about 70%, and subsequent biological activity tests showed that the new drug had significant anti - inflammatory effects.
Caso 2: Síntesis de colorantes
In a dye manufacturing company, 5 - Nitrosalicylic acid was used to synthesize a new type of yellow dye. The 5 - Nitrosalicylic acid was first reacted with a coupling agent in an alkaline environment. The reaction mixture was heated to 60°C and stirred for 3 hours. Then, through a series of post - treatment steps such as precipitation and washing, a yellow dye was obtained. This dye had good color fastness and was used to dye various fabrics, showing excellent dyeing effects.
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