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4-Aminophenol

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4-Aminophenol molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 8 grades and pack sizes of 4-Aminophenol (CAS 123-30-8). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS123-30-8
Molecular formulaC6H7NO
Molecular weight109.13 g/mol
IUPAC name4-aminophenol
Synonymsp-aminophenol · 4-hydroxyaniline · p-hydroxyaniline · Phenol, 4-amino- · Paranol · Certinal
Safety & Hazards (GHS) Warning
Irritant Irritant Health hazard Health hazard Environmental hazard Environmental hazard
  • H302 Harmful if swallowed
  • H332 Harmful if inhaled
  • H341 Suspected of causing genetic defects
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma 4-AMINOPHENOL 1021204-100MG
PHR1148-1G		 Request Quote
Sigma 4-AMINOPHENOL PESTANAL 35837-1G Request Quote
Sigma 4-AMINOPHENOL, 98+% A71328-100G
A71328-1KG
A71328-500G
A71328-5G		 Request Quote
Sigma MESALAZINE IMPURITY A Y0001563 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.