Aminophenol

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Aminophenol
IUPAC name 4-Aminophenol
Molecular formula C6H7NO
Identifiers
CAS number [123-30-8]
PubChem 403
MeSH Aminophenols
Properties
Molar mass 109.13 g/mol
Density 1.13 g/cm³
Melting point

188 - 190 °C

Boiling point

284 °C

Solubility in water 1.5g/100 ml (25 °C)
Hazards
EU classification Toxic (T)
Carc. Cat. 2
Muta. Cat. 2
Repr. Cat. 3
EU Index 616-003-00-0
NFPA 704
1
2
0
 
R-phrases R20/21, R22, R40
R52, R54, R68
S-phrases S28, S36, S37
S60, S61
Flash point 195 °C
Autoignition
temperature
N/A
Related compounds
Related compounds 2-aminophenol
3-aminophenol
aniline
phenol
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

4-Aminophenol is a white powder.[1]. It is a breakdown product of paracetamol (acetaminophen, U.S. English).[citation needed] The compound is commonly known for its use in the Black and White film developer, Rodinal.


The compound is one of three isomers the other two being 3-aminophenol and 2-aminophenol.

Positional isomers of aminophenol.Left:  2-aminophenol (o-aminophenol)Center: 3-aminophenol (m-aminophenol)Right: 4-aminophenol (p-aminophenol)

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