The Upstream and Downstream products of 1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane

1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane is an important chemical compound that is commonly used in various industrial applications.
The chemical industry is one such sector where this compound finds extensive usage.
In this article, we will discuss the upstream and downstream products of 1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane in the chemical industry.

Upstream Products
The upstream products of 1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane are the raw materials required for its manufacture.
The main raw materials used in the production of this compound are tolilne, aniline, and cyclohexene.
Tolylene is a aromatic hydrocarbon molecule that is derived from toluene through a chemical reaction known as nitrobenzene sulfonation.
Aniline, on the other hand, is an organic compound that is obtained through the chemical reaction between ammonia and methylene chloride.
Cyclohexene is a cycloalkene that is used as a starting material in the manufacture of this compound.

Downstream Products
The downstream products of 1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane are the chemical compounds that are derived from this compound through various chemical reactions.
One of the most common downstream products of 1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane is the polymer known as poly (1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane), which is used in various industrial applications.
Another downstream product of this compound is 4-chloro-1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane, which is used as a catalyst in the manufacture of polyethylene terephthalate (PET).

Manufacturing Process
The manufacturing process of 1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane involves several steps, including the synthesis of tolilne, the nitrobenzene sulfonation of tolilne, the reaction between aniline and cyclohexene, and the cyclization of the resulting compound.

The synthesis of tolilne involves the treatment of toluene with sulfuric acid, followed by oxidation of the resulting compound using nitric acid.
The resulting compound is then treated with sodium hydroxide to remove the sulfuric acid, after which it is distilled to obtain pure tolilne.

The nitrobenzene sulfonation of tolilne involves the treatment of tolilne with a solution of sodium nitrite in nitric acid.
This reaction leads to the formation of a sulfonated derivative of tolilne, which is then treated with hydrazine to convert it into the desired compound.

In the reaction between aniline and cyclohexene, the aniline is treated with methylene chloride to form the corresponding chloride, which is then reacted with cyclohexene in the presence of a strong acid catalyst.
The resulting compound is then treated with sodium hydroxide to remove the chloride and the acid catalyst.

Finally, the resulting compound is treated with hydrogen chloride gas to cyclize it, leading to the formation of 1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane.

Applications
1,1′-Bis[(di-4-tolylamino)phenyl]cyclohexane is widely used in various industrial applications due to its unique properties.
Its most common application is in the manufacture of polymers, such as poly