| Identification | More | [Name]
4-PHENYLAZOPHENOL | [CAS]
1689-82-3 | [Synonyms]
4-BENZENEAZOPHENOL
4-HYDROXYAZOBENZENE
4-PHENYLAZOPHENOL
CI 11800
CI NO 11800
P-BENZENEAZOPHENOL
P-HYDROXYAZOBENZENE
P-PHENYLAZOPHENOL
SOLVENT YELLOW 7
TIMTEC-BB SBB000372
1,4-Benzoguinonemonphenylhydrazone
4-(phenylazo)-pheno
4-[(E)-Phenyldiazenyl]phenol
4-hydroxy-azobenzen
4-Hydroxyazobenzene,CI 11800
4-Phenylazophenol,CI 11800
Atul Brilliant Oil Yellow G
atulbrilliantoilyellowg
Brasilazina Oil Yellow O
brasilazinaoilyellowo | [EINECS(EC#)]
216-880-6 | [Molecular Formula]
C12H10N2O | [MDL Number]
MFCD00002330 | [Molecular Weight]
198.22 | [MOL File]
1689-82-3.mol |
| Chemical Properties | Back Directory | [Appearance]
BROWN FINE CRYSTALLINE POWDER | [Melting point ]
150-152 °C(lit.)
| [Boiling point ]
230°C/20mmHg(lit.) | [density ]
1.1447 (rough estimate) | [refractive index ]
1.6330 (estimate) | [storage temp. ]
Sealed in dry,2-8°C | [solubility ]
DMSO, Methanol | [Colour Index ]
11800 | [form ]
Fine Crystalline Powder | [pka]
8.93±0.13(Predicted) | [color ]
Brown | [Water Solubility ]
Soluble in acetone, ethanol, benzene and ether. Insoluble in water. | [ε(extinction coefficient)]
10000 at 233-239nm in methanol at 0.005g/L | [λmax]
347 nm | [BRN ]
957567 | [CAS DataBase Reference]
1689-82-3(CAS DataBase Reference) | [IARC]
3 (Vol. 8, Sup 7) 1987 | [EPA Substance Registry System]
p-Phenylazophenol (1689-82-3) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [RIDADR ]
3234 | [WGK Germany ]
3
| [RTECS ]
SM8300000
| [TSCA ]
Yes | [HS Code ]
29270000 | [Hazardous Substances Data]
1689-82-3(Hazardous Substances Data) |
| Hazard Information | Back Directory | [Chemical Properties]
BROWN FINE CRYSTALLINE POWDER | [Uses]
4-Phenylazophenol is a diaryl-azo derivative with potential use as potential antifungal agents. 4-Phenylazophenol is an azo dye with toxic effects as well as a being a soil contaminant. | [Uses]
4-Phenylazophenol is a diaryl-azo derivative with potential use as potential antifungal agents. 4-Phenylazophenol is an azo dye with toxic effects as well as a being a soil contaminant. Dyes and metabolites. | [Definition]
ChEBI: 4-Hydroxyazobenzene is a member of azobenzenes. | [Preparation]
aniline diazotization, and phenol coupling. | [Properties and Applications]
brilliant yellow. Soluble in ethanol, Acetone and benzene. In concentrated sulfuric acid for yellow orange, dilution after light yellow, In concentrated sodium hydroxide solution for gold. Used to varnish, grease, paraffin wax, resin, soap kind of coloring.
|
Standard
|
Light Fastness
|
Heat-resistant(℃)
|
water
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Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
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Melting point
|
Stable
|
|
ISO
|
Good
|
|
160
|
Indissolvable
|
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| [Purification Methods]
Crystallise the dye from *benzene or 95% EtOH. [Beilstein 16 II 38, 16 III 86, 16 IV 159.] |
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