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| | Solvent yellow 12 Basic information |
| Product Name: | Solvent yellow 12 | | Synonyms: | Solvent yellow 12;Oil Yellow HA;Oil yellow OPS;Oleal Yellow RE;Brn 0958875;Einecs 228-881-9;4-Methyl-2-[2-(2-methylphenyl)diazenyl]phenol;Yellow HA | | CAS: | 6370-43-0 | | MF: | C14H14N2O | | MW: | 226.27 | | EINECS: | 228-881-9 | | Product Categories: | Solvent Dyestuff | | Mol File: | 6370-43-0.mol |  |
| | Solvent yellow 12 Chemical Properties |
| Melting point | 98°C | | Boiling point | 367.89°C (rough estimate) | | density | 1.09 | | refractive index | 1.6419 (estimate) | | pka | 8.87±0.43(Predicted) | | color | Red needles with blue reflex |
| | Solvent yellow 12 Usage And Synthesis |
| Preparation | O-Methylaniline diazotization, and p-Cresol coupling. | | Safety Profile | Questionable carcinogen withexperimental tumorigenic data. When heated todecomposition it emits toxic fumes of NOx. | | Properties and Applications | brilliant green yellow to red light yellow. Soluble in ethanol, Acetone and benzene. In ethanol from out of the crystallization product melting point 97 ℃. In concentrated sulfuric acid to red light brown, after dilution red yellow precipitation. Used for mineral oil, grease, paraffin wax color.
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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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Well
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97
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80≥140
Sublimation
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Insoluble
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No change
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No change
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| | Solvent yellow 12 Preparation Products And Raw materials |
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