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1,4-Diphenoxybenzene
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Name

1,4-Diphenoxybenzene

 EINECS -0
CAS No. 3061-36-7 Density 1.137 g/cm3
PSA 18.46000 LogP 5.27120
Solubility N/A Melting Point 73-77 °C
Formula C18H14O2 Boiling Point 370.839 °C at 760 mmHg
Molecular Weight 262.308 Flash Point 143.808 °C
Transport Information N/A Appearance off-white to light brown flakes or pellets
Safety 24/25 Risk Codes N/A
Molecular Structure Molecular Structure of 3061-36-7 (1,4-Diphenoxybenzene) Hazard Symbols N/A
Synonyms

Benzene,p-diphenoxy- (6CI,7CI,8CI);4-Phenoxydiphenyl oxide;Hydroquinone diphenyl ether;p-Bis(p-phenoxyphenoxy)benzene;p-Diphenoxybenzene;p-Phenoxyphenoxybenzene;

Article Data 20

1,4-Diphenoxybenzene Synthetic route

624-38-4

para-diiodobenzene

108-95-2

phenol

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
With copper(l) iodide; iron(III)-acetylacetonate; potassium carbonate In dimethyl sulfoxide at 140℃; for 48h; Inert atmosphere;99%
With copper(l) iodide; N,N-dimethylglycine hydrochoride; caesium carbonate Ullmann coupling;94%
With potassium hydroxide In dimethyl sulfoxide at 100℃; for 18h; Inert atmosphere;88%
With copper(l) iodide; N,N-dimethylglycine hydrochoride; caesium carbonate In 1,4-dioxane at 90℃; for 5h; Ullmann coupling reaction;77%
101-55-3

4-Bromodiphenyl ether

108-95-2

phenol

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
With potassium carbonate at 120℃; for 15h; Ullmann Condensation;89%

1,4-bis((η6-phenoxy-η5-cyclopentadienyl)iron)benzene hexafluorophosphate

A

102-54-5

ferrocene

B

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
In dichloromethane; acetonitrile Irradiation (UV/VIS); addn. of diiron-complex dissolved in CH2Cl2/CH3CN to a photolysis tube, purging with N2 for 30 min, irradiation under intense visible light (Xenon lamp) for 4 h; concn. by evapn. under reduced pressure, column chromy., elution (hexane) gives yellow band of ferrocene, elution (hexane/CHCl3) gives benzene-compd., evapn. to dryness, elem. anal.;A n/a
B 82%
94148-63-7

1,4-bis(2-nitrophenoxy)benzene

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
Stage #1: 1,4-bis(2-nitrophenoxy)benzene With hydrogenchloride In water at 20℃; for 1.5h;
Stage #2: With sodium nitrite In water for 1h;
Stage #3: With hypophosphorous acid In water at 20℃; for 18h;		72%
106-37-6

1.4-dibromobenzene

108-95-2

phenol

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
With copper(l) iodide; iron(III)-acetylacetonate; potassium carbonate; sodium iodide In dimethyl sulfoxide at 140℃; for 72h; Inert atmosphere;70%
With potassium phosphate; copper(l) iodide; (1E,2E)-1,2-bis(2-phenylhydrazono)ethane In acetonitrile at 80℃; for 12h; Inert atmosphere;60%
With potassium hydroxide; copper 1.) reflux, 2.) 200 deg C, 3 h; Yield given. Multistep reaction;
106-37-6

1.4-dibromobenzene

108-95-2

phenol

A

3061-36-7

1,4-diphenoxybenzene

B

2974-94-9

4-phenoxyiodobenzene

Conditions
ConditionsYield
With copper(l) iodide; iron(III)-acetylacetonate; potassium carbonate In dimethyl sulfoxide at 140℃; for 48h; Inert atmosphere;A 13%
B 50%
106-39-8

bromochlorobenzene

100-67-4

potassium phenolate

A

7005-72-3

4-chlorodiphenyl ether

B

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
at 170 - 175℃;
at 170 - 175℃;
106-37-6

1.4-dibromobenzene

100-67-4

potassium phenolate

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
With copper at 180 - 200℃;
106-37-6

1.4-dibromobenzene

108-95-2

phenol

copper

copper

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
at 180 - 200℃; Reaktion von Kaliumphenolat;
hydroquinone-phenyl ether-<4-amino-phenyl>-ether

hydroquinone-phenyl ether-<4-amino-phenyl>-ether

3061-36-7

1,4-diphenoxybenzene

Conditions
ConditionsYield
Diazotization.Verkochen mit Alkohol;

1,4-Diphenoxybenzene Chemical Properties

IUPAC Name: 1,4-Diphenoxybenzene 
Following is the structure of Benzene, 1,4-diphenoxy- (CAS NO.3061-36-7):
                      
Empirical Formula: C18H14O2
Molecular Weight: 262.3026
Index of Refraction: 1.602
Molar Refractivity: 79.13 cm3
Molar Volume: 230.6 cm3
Polarizability: 31.37 10-24cm3
Density: 1.137 g/cm3
Flash Point: 143.8 °C
Melting point: 73-77 °C
 Surface Tension: 42.7 dyne/cm
Enthalpy of Vaporization: 59.35 kJ/mol
Boiling Point: 370.8 °C at 760 mmHg
Vapour Pressure: 2.3E-05 mmHg at 25 °C
Appearance of Benzene, 1,4-diphenoxy- (CAS NO.3061-36-7): off-white to light brown flakes or pellets
Product Categories: Miscellaneous; Color Former & Related Compounds; Diphenyl Ethers (for High-Performance Polymer Research); Functional Materials; Reagent for High-Performance Polymer Research; Sensitizer
Canonical SMILES: C1=CC=C(C=C1)OC2=CC=C(C=C2)OC3=CC=CC=C3
InChI: InChI=1S/C18H14O2/c1-3-7-15(8-4-1)19-17-11-13-18(14-12-17)20-16-9-5-2-6-10-16/h1-14H
InChIKey: UVGPELGZPWDPFP-UHFFFAOYSA-N

1,4-Diphenoxybenzene Toxicity Data With Reference

 Benzene, 1,4-diphenoxy- (CAS NO.3061-36-7) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated.

1,4-Diphenoxybenzene Safety Profile

Safety Statements: 24/25 
S24/25:Avoid contact with skin and eyes.

1,4-Diphenoxybenzene Specification

 Benzene, 1,4-diphenoxy- , its cas register number 3061-36-7. It also can be called 1,4-Diphenoxybenzene ; Hydroquinone diphenyl ether ; and p-Phenoxyphenoxybenzene . 
 Benzene, 1,4-diphenoxy- (CAS NO.3061-36-7) should avoid the condition like incompatible materials. It is not compatible with strong oxidizing agents. And also prevent it to broken down into hazardous decomposition products: carbon monoxide,  carbon dioxide. However, its hazardous polymerization has not been reported.

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