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| | Acid Yellow 49 Basic information |
| Product Name: | Acid Yellow 49 | | Synonyms: | Reaxys ID: 6013923;2,5-dichloro-4-[(2Z)-2-(5-imino-3-methyl-1-phenylpyrazol-4-ylidene)hydrazinyl]benzenesulfonic acid;4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichlorobenzenesulphonic acid;Benzenesulfonic acid, 4-(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo-2,5-dichloro-;2,5-Dichloro-4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulfonic acid;4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichloro-Benzenesulfonic acid;C.I.AcidYellow49;Acid yellow 49 (C.I. 18640) | | CAS: | 12239-15-5 | | MF: | C16H13Cl2N5O3S | | MW: | 426.28 | | EINECS: | 235-473-4 | | Product Categories: | Organics | | Mol File: | 12239-15-5.mol |  |
| | Acid Yellow 49 Chemical Properties |
| Boiling point | 613.74℃[at 101 325 Pa] | | density | 1.62[at 20℃] | | vapor pressure | 0Pa at 25℃ | | pka | -2.18±0.50(Predicted) | | Water Solubility | 273.4μg/L at 25℃ | | LogP | 1.702 at 25℃ | | CAS DataBase Reference | 12239-15-5 | | EPA Substance Registry System | C.I. Acid Yellow 49 (12239-15-5) |
| | Acid Yellow 49 Usage And Synthesis |
| Preparation | 4-Amino-2,5-dichlorobenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5-amine?coupling. | | Flammability and Explosibility | Notclassified | | Properties and Applications | brilliant yellow. This applies to goods wool, silk, polyamide fiber and wool blended fabric dyeing, good levelness and also can be used for leather color.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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5-6
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2-3
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3
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3
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3
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3-4
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3
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2-3
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| | Acid Yellow 49 Preparation Products And Raw materials |
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