4-Hydroxyphenylacetone is an organic chemical compound. It is an indirect and inactive metabolite of amphetamine and its derivatives, formed in the body from phenylacetone through para-hydroxylation.
Systematic name
1-(4-Hydroxyphenyl)propan-2-one
Other names, synonyms
p-Hydroxyphenylacetone; 1-(4-Hydroxyphenyl)acetone; 4-Acetonylphenol; 4-Hydroxybenzyl methyl ketone; 1-(p-Hydroxyphenyl)-2-propanone; para-Hydroxyphenylacetone
Molecular formula and structural formula of 4-Hydroxyphenylacetone:
C9H10O2
Mr = 150.177 g/mol
1-(4-Hydroxyphenyl)propan-2-one
SMILES: CC(=O)CC1=CC=C(C=C1)O
Calculated NMR spectrum (Predict Spectra via NMRDB)
1H NMR Spektrum, 13C NMR Spektrum.
Mass-related elemental composition and isotope proportions of the compound 4-Hydroxyphenylacetone - C9H10O2 - calculated based on molecular mass.
*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.
The molar mass is M = 150.177 grams per mole.
The amount of substance in one kilogram of the substance is n = 6.659 mol.
The amount of substance in one gram of the substance is n = 0.007 mol.
Monoisotopic mass: 150.06807956 Da - related to 12C91H1016O2.
(General information without guarantee of accuracy and completeness! The information does not replace the chemical safety data sheet or a risk assessment, but rather provides a general overview of the risk posed by the hazardous substance.
Signal word: Warning
GHS hazard statements (H phrases):
Labeling in the EU: See ECHA Substance Infocard 100.129.975.
The table below lists producers and suppliers of 4-Hydroxyphenylacetone as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.
[0] - Specialist and research articles in scientific journals via PubMed: 4-Hydroxyphenylacetone.
Last update: 2026-02-11
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