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2657-87-6

Basic Information
CAS No.: 2657-87-6
Name: 3,4'-Oxydianiline
Article Data: 9
Molecular Structure:
Molecular Structure of 2657-87-6 (3,4'-Oxydianiline)
Formula: C12H12N2O
Molecular Weight: 200.24
Synonyms: 3,4'-DAPE;3,4'-Diaminodiphenyl ether;3,4'-Oxydiphenylamine;3-Aminophenyl 4-aminophenyl ether;4,3'-Diaminodiphenyl oxide;
EINECS: 220-190-0
Density: 1.216 g/cm3
Melting Point: 67-71 °C(lit.)
Boiling Point: 384.7 °C at 760 mmHg
Flash Point: 209.9 °C
Appearance: light brown powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
PSA: 61.27000
LogP: 3.80570
Synthetic route
100-00-5

4-chlorobenzonitrile

591-27-5

m-Hydroxyaniline

2657-87-6

3,4'-diaminodiphenyl ether

Conditions
ConditionsYield
Stage #1: 4-chlorobenzonitrile; m-Hydroxyaniline With potassium carbonate; sodium hydrogensulfite In N,N-dimethyl-formamide at 100 - 120℃; for 10h; Inert atmosphere;
Stage #2: With iron(III) chloride; 5%-palladium/activated carbon; hydrogen at 60 - 80℃; under 3750.38 Torr; for 2h; Autoclave;
96.1%
591-27-5

m-Hydroxyaniline

540-37-4

p-aminoiodobenzene

2657-87-6

3,4'-diaminodiphenyl ether

Conditions
ConditionsYield
With 2-Picolinic acid; potassium phosphate; copper(l) iodide In dimethyl sulfoxide at 80℃; for 24h; Inert atmosphere;54%
2914-72-9

1-nitro-3-(4-nitrophenoxy)benzene

2657-87-6

3,4'-diaminodiphenyl ether

Conditions
ConditionsYield
With hydrogenchloride; tin
60732-27-6

4-(3-nitrophenoxy)phenylamine

2657-87-6

3,4'-diaminodiphenyl ether

Conditions
ConditionsYield
With hydrazine
1124-31-8

potassium 4-nitrophenolate

2657-87-6

3,4'-diaminodiphenyl ether

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: copper-powder / 150 °C
2: tin; aqueous hydrochloric acid
View Scheme
350-46-9

4-Fluoronitrobenzene

2657-87-6

3,4'-diaminodiphenyl ether

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: copper-powder / 150 °C
2: tin; aqueous hydrochloric acid
View Scheme
5220-49-5

3-amino-cyclohex-2-enone

2657-87-6

3,4'-diaminodiphenyl ether

22528-34-3

3-amino-4'-nitrodiphenyl ether

2657-87-6

3,4'-diaminodiphenyl ether

Conditions
ConditionsYield
With 0.5% Pd on alumina; hydrogen In N,N-dimethyl-formamide at 30℃; for 7h; Green chemistry;> 99.9 %Spectr.
2657-87-6

3,4'-diaminodiphenyl ether

106-89-8

epichlorohydrin

129998-27-2

N,N,N',N'-tetraglycidyl-3,4'-diaminodiphenyl ether

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydrogensulfate In water; toluene at 80℃; for 15h;100%
2657-87-6

3,4'-diaminodiphenyl ether

91-56-5

indole-2,3-dione

3,3'-[oxybis[(3,1)-(4',1')phenylenenitrilo]]bis[1,3-dihydro-2H-indol-2-one]

Conditions
ConditionsYield
With acetic acid In ethanol for 28h; Heating;91%
In water at 20℃; for 45h;80%
In ethanol Heating;
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    3,4'-Oxydianiline Basic information Product Name: 3,4'-Oxydianiline Synonyms: 3,4'-ODA;4-(3-AMINO-PHENOXY)-PHENYLAMINE;3,4'-DPE;3,4'-DIAMINODIPHENYL ETHER;3,4'-DIAMINOPHENYL ETHER;3-(4-aminophenoxy)aniline;3,4'-Oxydianilin

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Chemistry

Product Name: 3,4'-Oxydianiline (CAS NO.2657-87-6)

Molecular Formula: C12H12N2O
Molecular Weight: 200.24g/mol
Mol File: 2657-87-6.mol
EINECS: 220-190-0
Melting Point: 67-71 °C(lit.)
Boiling point: 384.7 °C at 760 mmHg
Flash Point: 209.9 °C
Density: 1.216 g/cm3
Index of Refraction: 1.665 
Molar Refractivity: 61.16 cm3 
Molar Volume: 164.5 cm3 
Surface Tension: 55.9 dyne/cm
Enthalpy of Vaporization: 63.34 kJ/mol
Vapour Pressure: 4E-06 mmHg at 25°C
XLogP3-AA: 2.2
H-Bond Donor: 2
H-Bond Acceptor: 3
Structure Descriptors of 3,4'-Oxydianiline (CAS NO.2657-87-6):
  IUPAC Name: 3-(4-aminophenoxy)aniline
  Canonical SMILES: C1=CC(=CC(=C1)OC2=CC=C(C=C2)N)N
  InChI: InChI=1S/C12H12N2O/c13-9-4-6-11(7-5-9)15-12-3-1-2-10(14)8-12/h1-8H,13-14H2 
  InChIKey: ZBMISJGHVWNWTE-UHFFFAOYSA-N
Product Categories: Biphenyl & Diphenyl ether; Amines; Miscellaneous; Diphenyl Ethers (for High-Performance Polymer Research); Functional Materials; Reagent for High-Performance Polymer Research; Amine Monomers; Monomers; Primary Amines

Safety Profile

Safety Information of 3,4'-Oxydianiline (CAS NO.2657-87-6):
Hazard Codes: XiIrritant
Risk Statements: 36/37/38  
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3

Specification

 3,4'-Oxydianiline , its CAS NO. is 2657-87-6, the synonyms are 3-(4-Aminophenoxy)aniline ; 3-(4-Aminophenoxy)phenylamine ; 3-Aminophenyl 4-aminophenyl ether ; Benzenamine, 3-(4-aminophenoxy)- .