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| | 2,4-DIAMINOAZOBENZENE Basic information |
| Product Name: | 2,4-DIAMINOAZOBENZENE | | Synonyms: | 4-(phenylazo)benzene-1,3-diamine;1,3-Benzenediamine, 4-(phenylazo)-;azoaniline;azodianiline;C.I. Solvent Orange 3, base;Oil Orange Y;C.I.11270:1;SOLVENT ORANGE 3 | | CAS: | 495-54-5 | | MF: | C12H12N4 | | MW: | 212.25 | | EINECS: | 207-803-7 | | Product Categories: | Organics | | Mol File: | 495-54-5.mol |  |
| | 2,4-DIAMINOAZOBENZENE Chemical Properties |
| Melting point | 117～123℃ | | Boiling point | 342.09°C (rough estimate) | | density | 1.1390 | | vapor pressure | 0Pa at 25℃ | | refractive index | 1.5000 (estimate) | | solubility | Acetonitrile (Slightly), Chloroform (Slightly), Methanol (Slightly) | | pka | 3.11±0.10(Predicted) | | form | Solid | | color | Red to Very Dark Brown | | Water Solubility | 348.393mg/L at 30℃ | | LogP | 2.715 at 25℃ | | CAS DataBase Reference | 495-54-5 | | EPA Substance Registry System | C.I. Solvent Orange 3 (495-54-5) |
| | 2,4-DIAMINOAZOBENZENE Usage And Synthesis |
| Uses | Dyeing silk and cotton. Biological stain. | | Preparation | aniline diazotization, and Benzene-1,3-diamine coupling. | | Definition | ChEBI: Chrysoidine free base is a member of azobenzenes. | | Flammability and Explosibility | Notclassified | | Properties and Applications | dark yellow orange. Melting point is 118 ~ 118.5 ℃. Soluble in water for yellow orange, soluble in ethanol and Cellosolve, slightly soluble in acetone, insoluble in benzene. In concentrated sulfuric acid to yellow, to orange after diluted; In nitric acid for orange solution.
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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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Poor
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118 ~ 118.5
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90≥194
Sublimation
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Poor
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Poor
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Dissolve
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| | 2,4-DIAMINOAZOBENZENE Preparation Products And Raw materials |
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