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620-93-9

Basic Information
CAS No.: 620-93-9
Name: Di-p-tolylamine
Article Data: 146
Molecular Structure:
Molecular Structure of 620-93-9 (Di-p-tolylamine)
Formula: C14H15N
Molecular Weight: 197.28
Synonyms: 4,4'-dimethyldiphenylamine;Di-p-tolylamine(6CI,7CI,8CI);4,4'-Dimethyldiphenylamine;Bis(4-methylphenyl)amine;Bis(p-tolyl)amine;N,N-Bis(4-methylphenyl)amine;N-p-Tolyl-p-toluidine;
EINECS: 210-659-8
Density: 1.049 g/cm3
Melting Point: 78-82 °C
Boiling Point: 330.5 °C at 760 mmHg
Flash Point: 167.6 °C
Appearance: White Powder
Hazard Symbols: T
Risk Codes: R36/37/38
PSA: 12.03000
LogP: 4.12000
Synthetic route
589-92-4

1-methylcyclohexan-4-one

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
99.6%
99.8%
53.7%
51.6%
With urea In diethylene glycol dimethyl ether; water at 150℃; under 760.051 Torr; for 24h; Schlenk technique; Inert atmosphere;84 %Chromat.
1N-NaOH

1N-NaOH

99-99-0

1-methyl-4-nitrobenzene

155269-38-8

N-(4-methylcyclohexylidene)-4-methylaniline

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
palladium-carbon In water; N,N-dimethyl-formamide; benzene99.7%
106-38-7

para-bromotoluene

106-49-0

p-toluidine

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
With [Pd(N,N'-bis(2,6-bis(di-p-tolylmethyl)-4-methylphenyl)-imidazol-2-ylidene)(acetylacetonate)Cl]; lithium hexamethyldisilazane In 1,4-dioxane at 110℃; for 3h; Buchwald-Hartwig Coupling; Inert atmosphere; Sealed tube;99%
With bis-triphenylphosphine-palladium(II) chloride; caesium carbonate; triphenylphosphine In o-xylene for 8h; Inert atmosphere; Reflux; Schlenk technique;90%
With bis(η3-allyl-μ-chloropalladium(II)); 1,2-bis(diphenylphosphino)-1′-(diisopropylphosphino)-4-tert-butylferrocene; sodium t-butanolate In toluene for 20h; Reflux; Schlenk technique; Inert atmosphere; chemoselective reaction;84%
106-43-4

para-chlorotoluene

106-49-0

p-toluidine

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); potassium tert-butylate; 1,3-bis[(2,6-diisopropyl)phenyl]imidazolinium chloride In 1,4-dioxane at 100℃; for 1.5h; Inert atmosphere;99%
With dihydrogen dichloro-bis(di-tert-butylphosphinito-κP)palladium(2-); sodium t-butanolate In 1,4-dioxane at 110℃; for 4h;97%
With potassium hydroxide; tert-butyl alcohol; cyclopalladated ferrocenylimine monophosphinobiaryl complex In water at 95℃; for 24h; Buchwald-Hartwig amination;97%
99-99-0

1-methyl-4-nitrobenzene

106-49-0

p-toluidine

589-92-4

1-methylcyclohexan-4-one

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
palladium-carbon In water; N,N-dimethyl-formamide; benzene98.6%
palladium-carbon In water; N,N-dimethyl-formamide; benzene98.6%
1774-35-2

di(p-tolyl) sulfoxide

106-49-0

p-toluidine

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
With SingaCycle-A1; sodium t-butanolate In tetrahydrofuran at 60℃; for 4h; Inert atmosphere; regioselective reaction;98%
624-31-7

4-tolyl iodide

106-49-0

p-toluidine

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; 1,1'-bis(diphenylphosphino)ferrocene; sodium t-butanolate In toluene at 110℃; for 24h; Buchwald-Hartwig coupling; Inert atmosphere;96%
With nickel(II) iodide; potassium phosphate; 2-Phenyl-1,3,2-dioxaborinane In 1,4-dioxane at 115℃; for 24h; Buchwald-Hartwig Coupling; Inert atmosphere; chemoselective reaction;96%
With (1,2-dimethoxyethane)dichloronickel(II); Ir[3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]2(4,4'-di-tert-butyl-2,2'-bipyridyl)PF6; triethylamine; 4,4'-di-tert-butyl-2,2'-bipyridine In acetonitrile at 23 - 25℃; for 24h; Sealed tube; Irradiation; chemoselective reaction;65%
With potassium hydroxide In neat (no solvent) at 90℃; for 9h;35%
5720-05-8

4-methylphenylboronic acid

106-49-0

p-toluidine

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
With C30H25N4O(1-)*3C2H3O2(1-)*2Cu(2+) at 20℃; for 24h;95%
With triethylamine; cupric acetate immobilized onto Wang resin In dichloromethane at 20℃; for 24h;94%
With (1,3-bis(2,6-diisopropyl-4-((E)-3-methoxy-3-oxoprop-1-en-1-yl)phenyl)-2,3-dihydro-1H-imidazole-2-yl)copper(I) chloride In dichloromethane at 20℃; for 24h; Chan-Lam Coupling;93%
3076-56-0

p-tolyllead triacetate

106-49-0

p-toluidine

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
copper diacetate In dichloromethane for 2h; Ambient temperature;94%
66117-64-4

di(p-tolyl)borinic acid

106-49-0

p-toluidine

620-93-9

di-p-tolylamine

Conditions
ConditionsYield
With pyridine; copper diacetate trihydrate In dichloromethane at 20℃; for 24h; Chan-Lam Coupling;94%
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Chemistry

IUPAC Name: 4-Methyl-N-(4-methylphenyl)aniline 
Following is the structure of 4,4-Dimethyldiphenylamine (DMDPA) (CAS NO.620-93-9):
                           
Empirical Formula: C14H15N
Molecular Weight: 197.2756 
EINECS: 210-659-8
Index of Refraction: 1.611
Molar Refractivity: 65.27 cm3
Molar Volume: 188 cm3
Density: 1.049 g/cm3
Flash Point: 167.6 °C
Melting point: 78-82 °C
Surface Tension: 41 dyne/cm
Enthalpy of Vaporization: 57.31 kJ/mol
Boiling Point: 330.5 °C at 760 mmHg
Vapour Pressure: 0.000166 mmHg at 25 °C
Product Categories: Pharmaceutical Intermediates; electronic; Amines; Diphenylamines (for High-Performance Polymer Research); Functional Materials; Reagent for High-Performance Polymer Research; Triphenylamine series; White Powder; Phenylamine Series; Synthetic Intermediates; Organic Electronics and Photonics; Synthetic Tools and Reagents
Canonical SMILES: CC1=CC=C(C=C1)NC2=CC=C(C=C2)C
InChI: InChI=1S/C14H15N/c1-11-3-7-13(8-4-11)15-14-9-5-12(2)6-10-14/h3-10,15H,1-2H3
InChIKey: RHPVVNRNAHRJOQ-UHFFFAOYSA-N

Uses

 4,4-Dimethyldiphenylamine (DMDPA) (CAS NO.620-93-9) is an organic intermediates. It can be used in organic functional materials and synthesis of medicine.

Specification

 4,4-Dimethyldiphenylamine (DMDPA) , its cas register number is 620-93-9. It also can be called Di-p-tolylamine ; and 4-Methyl-N-(4-methylphenyl)benzenamine .

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