Nitrophenol (inci)

Authors:Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

Last updated on: 29.10.2020

Synonym(s)

CAS-Nummer: 88-75-5/554-84-7/100-02-7; Mono-nitrophenol

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DefinitionThis section has been translated automatically.

Nitrophenol(s), mono-nitrophenol(s), are substances that are used in cosmetic products, among other things. The structure consists of a benzene ring with added hydroxy (-OH) and nitro group (-NO2) as substituents. Their different arrangement results in three constitutional isomers (2-nitrophenol, 3-nitrophenol, 4-nitrophenol) with the molecular formula C6H5NO3. Nitrophenols are used as hair dyes.

Field of application/useThis section has been translated automatically.

The nitrophenols are crystalline solids. They are hardly soluble in water, soluble in ethanol and ether. The substances are widely used in the chemical and pharmaceutical industry.
In cosmetics the following nitrophenol compounds are used as hair dyes:

4-amino-3-nitrophenol (INCI).

2-amino-6-chloro-4-nitrophenol (INCI).

2-amino-3-nitrophenol (INCI).

2-Chloro-6-ethylamino-4-nitrophenol (INCI).

4-hydroxypropylamino-3-nitrophenol (INCI).

4-nitroguaiacol (INCI).

3-Nitro-p-hydroxyethylaminophenol (INCI).

Authors

Last updated on: 29.10.2020

Authors: Prof. Dr. med. Peter Altmeyer Prof. Dr. med. Martina Bacharach-Buhles