5-Hydroxyindole [1953-54-4] carries a recognized safety classification for professional environments as a Warning substance. This organic compound, classified under the molecular formula C8H7NO and molecular weight 133.15, is a derivative of indole, a heterocyclic aromatic amine. It is structurally related to tryptophan, an essential amino acid. Its exact mass has been determined to be 133.052763847. Handling this compound may result in skin irritation, as indicated by the Hazard Statement "Causes skin irritation [Warning Skin corrosion/irritation]".

• CAS Number: 1953-54-4
• Exact Mass: 133.052763847
• Molecular Weight: 133.15
• Molecular Formula: C8H7NO
• GHS Signal Word: Warning
• Hazard Statements:
• H315: Causes skin irritation [Warning Skin corrosion/irritation]