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CAS No.: | 3061-36-7 |
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Name: | 1,4-Diphenoxybenzene |
Article Data: | 20 |
Cas Database | |
Molecular Structure: | |
|
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Formula: | C18H14O2 |
Molecular Weight: | 262.308 |
Synonyms: | Benzene,p-diphenoxy- (6CI,7CI,8CI);4-Phenoxydiphenyl oxide;Hydroquinone diphenyl ether;p-Bis(p-phenoxyphenoxy)benzene;p-Diphenoxybenzene;p-Phenoxyphenoxybenzene; |
EINECS: | -0 |
Density: | 1.137 g/cm3 |
Melting Point: | 73-77 °C |
Boiling Point: | 370.839 °C at 760 mmHg |
Flash Point: | 143.808 °C |
Appearance: | off-white to light brown flakes or pellets |
Safety: | 24/25 |
PSA: | 18.46000 |
LogP: | 5.27120 |
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
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With potassium carbonate at 120℃; for 15h; Ullmann Condensation; | 89% |
Conditions | Yield |
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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% |
1,4-bis(2-nitrophenoxy)benzene
1,4-diphenoxybenzene
Conditions | Yield |
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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% |
Conditions | Yield |
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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; |
1.4-dibromobenzene
phenol
A
1,4-diphenoxybenzene
B
4-phenoxyiodobenzene
Conditions | Yield |
---|---|
With copper(l) iodide; iron(III)-acetylacetonate; potassium carbonate In dimethyl sulfoxide at 140℃; for 48h; Inert atmosphere; | A 13% B 50% |
bromochlorobenzene
potassium phenolate
A
4-chlorodiphenyl ether
B
1,4-diphenoxybenzene
Conditions | Yield |
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at 170 - 175℃; | |
at 170 - 175℃; |
Conditions | Yield |
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With copper at 180 - 200℃; |
Conditions | Yield |
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at 180 - 200℃; Reaktion von Kaliumphenolat; |
1,4-diphenoxybenzene
Conditions | Yield |
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Diazotization.Verkochen mit Alkohol; |
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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
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.
Safety Statements: 24/25
S24/25:Avoid contact with skin and eyes.
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.