72017-86-8

Basic information

• Product Name: 4-(1-methyl-1-phenylethyl)-N-phenylaniline
• Synonyms: 4-(1-Methyl-1-phenylethyl)-N-phenylbenzenamine; benzenamine, 4-(1-methyl-1-phenylethyl)-N-phenyl-; N-Phenyl-4-(2-phenylpropan-2-yl)aniline
• CAS NO: 72017-86-8
• Molecular Formula: C₂₁H₂₁N
• Molecular Weight: 287.3981
• Mol File: 72017-86-8.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 426.5°C at 760 mmHg
• Flash Point: 222.8°C
• Density: 1.069g/cm³
• Vapor Pressure: 1.77E-07mmHg at 25°C
• Refractive Index: 1.614
• CAS DataBase Reference: 4-(1-methyl-1-phenylethyl)-N-phenylaniline(CAS DataBase Reference)
• NIST Chemistry Reference: 4-(1-methyl-1-phenylethyl)-N-phenylaniline(72017-86-8)
• EPA Substance Registry System: 4-(1-methyl-1-phenylethyl)-N-phenylaniline(72017-86-8)

Safety Data

• Hazardous Substances Data: 72017-86-8(Hazardous Substances Data)

Upstream product

• 19549-87-2 2,4-dimethyl-1-heptene 
• 90-30-2 N-phenyl-1-naphthylamine 
• 122-39-4 diphenylamine 
• 98-83-9 isopropenylbenzene 

Relevant articles and documents

ALKYLATED PANA AND DPA COMPOSITIONS

The invention relates to a composition comprising a mixture of alkylated N-α-naphthyl-N-phenylamine (PANA) and alkylated diphenylamine (DPA), the product obtainable by alkylat-ing PANA or a mixture of PANA and DPA with alkenes and the process for alkylating PANA or a mixture of PANA and DPA with alkenes. The compositions according to the present in-vention have an outstanding anti-oxidative action, which can be demonstrated by established test methods.

Alkylation of diphenylamine with α-methylstyrene and diisobutylene using acid-treated clay catalysts

Alkylation of diphenylamine was carried out with α-methylstyrene and diisobutylene using acid-treated clay catalyst Engelhard F-24 to produce mono- and dialkylated diphenylamines. Dialkylated diphenylamines are industrially useful as antioxidants and heat stabilizers. Mono and dialkylated diphenylamines were separated in pure form from the reaction mixture and characterized by FTIR and 1H NMR. Reaction conditions for obtaining high selectivity of each of the alkylated products were studied. A comparative study of the reaction rates, with various other grades of acid-treated clay catalysts, was done for the reaction between diphenylamine and α-methylstyrene. The reaction between diphenylamine and α-methylstyrene was also studied in a continuous mode of operation in a fixed bed reactor. Deactivation of the catalyst occurred during the course of these reactions and reuse of the catalyst posed problems; alternative schemes were considered to regenerate the deactivated catalyst. The basic reasons for the deactivation of the catalyst were investigated in the case of reaction between diphenylamine and α-methylstyrene. The fresh and used catalysts were characterized using various spectroscopic and other techniques such as X-ray diffraction, X-ray photoelectron spectroscopy, UV-visible and nuclear magnetic resonance spectroscopy, surface area (BET) and surface acidity (TPD), pore size distribution, and pore volume. These studies indicated that the deactivation of the catalyst was due to irreversible adsorption on the surface, loss of microporous structure and loss of surface acidity. The adsorbed species appeared to be diphenylamine and/or alkylated product(s), coordinated to the surface oxygen of the catalyst through nitrogen, forming a nitro kind of species.