The Upstream and Downstream products of 4-Amino-3(2H)-pyridazinone

4-Amino-3(2H)-pyridazinone is a chemical compound that has a wide range of applications in the chemical industry.
It is used as an intermediate in the production of various chemicals, pharmaceuticals, and agrochemicals.
In this article, we will discuss the upstream and downstream products of 4-Amino-3(2H)-pyridazinone in the chemical industry.

Upstream Products
The upstream products of 4-Amino-3(2H)-pyridazinone are the raw materials required for its production.
The primary raw material for the manufacture of 4-Amino-3(2H)-pyridazinone is 2-cyanopyridine, which is obtained by the reaction of hydrogen cyanide and ammonia.
Other raw materials used in the production of 4-Amino-3(2H)-pyridazinone include nitric acid, soda ash, and water.

Downstream Products
The downstream products of 4-Amino-3(2H)-pyridazinone are the chemicals and products that are derived from it.
4-Amino-3(2H)-pyridazinone is used as an intermediate in the production of several chemicals and pharmaceuticals.
One of the most common downstream products of 4-Amino-3(2H)-pyridazinone is the herbicide, Paraquat.
Paraquat is a widely used herbicide that is effective against a variety of broadleaf and annual weeds.
Paraquat is used in agriculture, horticulture, and landscaping to control weed growth.

Other downstream products of 4-Amino-3(2H)-pyridazinone include antibiotics, anti-fungal agents, and other pharmaceuticals.
4-Amino-3(2H)-pyridazinone is also used in the production of agrochemicals such as insecticides, fungicides, and plant growth regulators.

Manufacturing Process
The manufacturing process of 4-Amino-3(2H)-pyridazinone involves several steps, including the preparation of raw materials, chemical reactions, purification, and packaging.
The process can be summarized as follows:

1. Preparation of Raw Materials: The primary raw material for the production of 4-Amino-3(2H)-pyridazinone is 2-cyanopyridine, which is prepared by the reaction of hydrogen cyanide and ammonia.
   Other raw materials such as nitric acid, soda ash, and water are also required in the process.
   
2. Chemical Reactions: 2-cyanopyridine is treated with nitric acid to form 4-nitro-2-cyanopyridine.
   The reaction is carried out in the presence of water and soda ash, which act as neutralizing agents.
   
3. Purification: The reaction mixture is purified by precipitation with sodium sulfate, and the resulting solid is filtered and washed with water.
   The filtrate is then concentrated under reduced pressure to obtain a pure sample of 4-nitro-2-cyanopyridine.
   
4. Hydrolysis: The 4-nitro-2-cyanopyridine is treated with water to remove the nitro group and form 4-Amino-3(2H)-pyridazinone.
   
5. Purification: The resulting product is purified by crystallization, filtration, and drying.
   
6. Packaging: The purified 4-Amino-3(2H)-pyridazinone is packaged in appropriate containers for shipment and storage.
   

Applications
4-Amino-3(2H)-pyridazinone has a wide range