Identificación | ||
Nombre | 4-Aminophenol | |
Sinónimos | 4-Amino-1-hydroxybenzene; 4-Hydroxyaniline | |
Estructura molecular | ||
Fórmula molecular | C 6 H 7 NO | |
Peso molecular | 109.13 | |
Número de registro CAS | 123-30-8 | |
EINECS | 204-616-2 |
Propiedades | ||
Punto de fusión | 188 ºC | |
Punto de ebullición | 284 ºC | |
punto de inflamabilidad | 189 ºC | |
Solubilidad en agua | 1.5 g/100 mL (20 ºC) |
4-Aminophenol (or para -aminophenol o p -aminophenol ) is the organic compound with the formula H 2 NC 6 H 4 OH. Typically available as a white powder, it was commonly used as a developer for black-and-white film, marketed under the name Rodinal.
Reflecting its slightly hydrophilic character, the white powder is moderately soluble in alcohols and can be recrystallized from hot water. In the presence of a base, it oxidizes readily. The methylatedderivatives
N
-methylaminophenol and
N
,
N
-dimethylaminophenol are of commercial value.
4-Aminophenol is a building block used in organic chemistry. Prominently, it is the final intermediate in the industrial synthesis of paracetamol. Treating 4-aminophenol with acetic anhydride gives paracetamol.
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