4,4'-DI-TERT-BUTYLDIPHENYLAMINE (CAS 4627-22-9) is a chemical compound with the molecular formula C20H27N. It has a melting point of 185-186 °C and an analysis method of >90.0% (GC). It is also known as Bis(4-tert-butylphenyl)amine or 4-tert-butyl-N-(4-tert-butylphenyl)aniline. This compound is used in various applications and has a product number of B2803.


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Chemical Uses


4,4′-Di-Tert-Butyldiphenylamine (CAS 4627-22-9) is an essential chemical compound that has a wide variety of applications. It has a molecular formula of C20H27N and a melting point of 185-186 °C. It is also known as Bis(4-tert-butylphenyl)amine or 4-tert-butyl-N-(4-tert-butylphenyl)aniline and has a product number of B2803.

Chemical Properties:

White needle-like crystals


This chemical compound, 4,4′-di-tert-butyldiphenylamine, is a white crystalline solid that is insoluble in water. It is used as a versatile intermediate in producing many chemicals, such as dyes, pharmaceuticals, agrochemicals, and surfactants. It is also used as a stabilizer for producing polypropylene and other plastics. 

The main application of 4,4′-di-tert-butyldiphenylamine is in the synthesis of aniline derivatives. For example, N-tert-butylaniline, 4-tert-butyl-N-methyl-aniline, and 4-tert-butyl-N-ethyl-aniline are all products are derived from this compound. It also produces rubber accelerators, corrosion inhibitors, and antistatic agents. 

Aside from its various uses in industrial applications, 4,4′-di-tert-butyldiphenylamine is also used as a reagent in organic synthesis. It is widely used to synthesize organic compounds, such as amines, alcohols, esters, and ketones. It is also widely used in synthesizing heterocyclic compounds, such as imidazoles, pyrimidines, and pyrazoles.


Keep in a dark place, Sealed in a dry, Room Temperature

Chemical Properties

Chemical name:


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Molecular Formula:


Formula Weight:

281.44 g/mol

Melting point

108 °C

Boiling point

195 °C / 3mmHg


0.974±0.06 g/cm3(Predicted)



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Tags: BIS(4-TERT-BUTYLPHENYL)AMINE; Stearer STAR; p,p’-Di-tert-butyldip; Di-4-tert-butylphenylamine; Bis(p-tert-butylphenyl)amine; 4,4′-DI-TERT-BUTYLDIPHENYLAMINE; p,p’-Di-tert-butyldiphenylamine; N,N-Bis(4-tert-butylphenyl)amine; Bis(4-tert-butylphenyl)amine >Bis(4-tert-butylphenyl)amine; 4,4′-di-tert-butyldiphenylamine; butyl diphenyl phosphate; 4 4′-di-tert-butyl-diphenylamine; butyl diethanolamine; 44 ddt

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