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| | 4-PHENYLAZOPHENOL Basic information |
| Product Name: | 4-PHENYLAZOPHENOL | | Synonyms: | 4-HYDROXYAZOBENZENE;4-BENZENEAZOPHENOL;4-PHENYLAZOPHENOL;CI NO 11800;CI 11800;SOLVENT YELLOW 7;P-PHENYLAZOPHENOL;P-HYDROXYAZOBENZENE | | CAS: | 1689-82-3 | | MF: | C12H10N2O | | MW: | 198.22 | | EINECS: | 216-880-6 | | Product Categories: | | | Mol File: | 1689-82-3.mol |  |
| | 4-PHENYLAZOPHENOL Chemical Properties |
| Melting point | 150-152 °C(lit.) | | Boiling point | 230°C/20mmHg(lit.) | | density | 1.1447 (rough estimate) | | refractive index | 1.6330 (estimate) | | storage temp. | 2-8°C | | solubility | DMSO, Methanol | | form | Fine Crystalline Powder | | pka | 8.93±0.13(Predicted) | | Colour Index | 11800 | | color | Brown | | Water Solubility | Soluble in acetone, ethanol, benzene and ether. Insoluble in water. | | λmax | 347 nm | | ε(extinction coefficient) | 10000 at 233-239nm in methanol at 0.005g/L | | 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) |
| | 4-PHENYLAZOPHENOL Usage And Synthesis |
| 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. Dyes and metabolites. | | Preparation | aniline diazotization, and phenol coupling. | | Definition | ChEBI: 4-Hydroxyazobenzene is a member of azobenzenes. | | Purification Methods | Crystallise the dye from *benzene or 95% EtOH. [Beilstein 16 II 38, 16 III 86, 16 IV 159.] | | 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.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Good
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160
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Indissolvable
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| | 4-PHENYLAZOPHENOL Preparation Products And Raw materials |
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