The Production Process of 4,5-Pyridazinediamine(9CI)

The production process of 4,5-pyridazinediamine (9CI) is a complex and multistep process that involves several chemical reactions and purification steps.
In the chemical industry, the demand for this molecule has been growing due to its wide range of applications, including in the production of pharmaceuticals, agrochemicals, and other specialty chemicals.
In this article, we will take a closer look at the production process of 4,5-pyridazinediamine (9CI) and its different stages.

1. Raw Material Preparation
   The production process of 4,5-pyridazinediamine (9CI) starts with the preparation of raw materials.
   The main raw material used in the production of this molecule is chloranilic acid, which is treated with ammonia to produce the diazonium salt.
   The diazonium salt is then treated with a base to produce the 4,5-diaminopyridine intermediate.
   
2. Diazo Coupling Reaction
   The next step in the production process of 4,5-pyridazinediamine (9CI) is the diazo coupling reaction.
   In this step, the 4,5-diaminopyridine intermediate is treated with a strong acid in the presence of a catalyst to produce the 4,5-pyridazinediamine (9CI).
   The reaction conditions, including the temperature, pressure, and reaction time, must be carefully controlled to ensure the desired yield of the product.
   
3. Purification
   After the diazo coupling reaction, the 4,5-pyridazinediamine (9CI) is purified to remove any impurities that may be present.
   This purification step is typically carried out by dissolving the product in a solvent and then crystallizing it out.
   The crystals are then filtered and dried to produce a pure sample of the product.
   
4. Hydrolysis
   In some cases, the 4,5-pyridazinediamine (9CI) may need to be hydrolyzed to produce the desired product.
   This involves treating the 4,5-pyridazinediamine (9CI) with water and a catalyst to produce the final product.
   
5. Characterization
   The final step in the production process of 4,5-pyridazinediamine (9CI) is the characterization of the product.
   This involves determining the chemical properties of the product, including its melting point, boiling point, and solubility in different solvents.
   The product is also analyzed for any impurities that may be present.
   

In conclusion, the production process of 4,5-pyridazinediamine (9CI) involves several steps, including raw material preparation, diazo coupling reaction, purification, hydrolysis, and characterization.
The careful control of the reaction conditions and the purification steps is crucial for producing a pure sample of the product.
The demand for 4,5-pyridazinediamine (9CI) is growing in the chemical industry due to its wide range of applications, and the production process is becoming more efficient and cost-effective.