4-Hydroxydiphenylamine

• CAT Number: R026516
• CAS Number: 122-37-2
• Molecular Formula: C12H11NO
• Molecular Weight: 185.23
• Purity: ≥95%
• Synonyms: 4-(Phenylamino)phenol; 4-Anilinophenol; N-(4-Hydroxyphenyl)aniline; N-Phenyl-p-aminophenol; NSC 1543; VTI 1; VTI 1 (Phenol); p-(Phenylamino)phenol; p-Anilinophenol; p-Hydroxydiphenylamine; p-Hydroxyldiphenylamine; p-Oxydiphenylamine
• Storage: -20°C
• IUPAC Name: 4-anilinophenol
• InChI: InChI=1S/C12H11NO/c14-12-8-6-11(7-9-12)13-10-4-2-1-3-5-10/h1-9,13-14H
• InChIKey: JTTMYKSFKOOQLP-UHFFFAOYSA-N
• SMILES: C1=CC=C(C=C1)NC2=CC=C(C=C2)O

4-Hydroxydiphenylamine (Cat No.:R026516) is an organic compound with the molecular formula C12H11NO, featuring a diphenylamine backbone substituted with a hydroxyl group at the para (4) position. It appears as a light tan to brown crystalline solid and is used primarily as an antioxidant in rubber and lubricant formulations to prevent oxidative degradation. The compound is also utilized in dye synthesis and as an intermediate in organic reactions. Due to potential toxicity and skin or eye irritation, it should be handled with proper protective equipment under well-ventilated laboratory or industrial conditions.