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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| 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 |
| 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℃ |
| InChI | InChI=1S/C16H13Cl2N5O3S/c1-9-15(16(19)23(22-9)10-5-3-2-4-6-10)21-20-13-7-12(18)14(8-11(13)17)27(24,25)26/h2-8H,19H2,1H3,(H,24,25,26) |
| InChIKey | QHVBDWZOQBMLLW-UHFFFAOYSA-N |
| SMILES | C1(S(O)(=O)=O)=CC(Cl)=C(N=NC2=C(N)N(C3=CC=CC=C3)N=C2C)C=C1Cl |
| LogP | 1.702 at 25℃ |
| CAS DataBase Reference | 12239-15-5 |
| EPA Substance Registry System | C.I. Acid Yellow 49 (12239-15-5) |
| Chemical Properties | When dyeing, the color becomes slightly darker when encountering copper or iron ions. | ||||||||||||||||||||||||
| C.I. Acid yellow 49 is an acidic yellow dye that can be adsorbed and removed by bentone. | |||||||||||||||||||||||||
| Preparation | 4-Amino-2,5-dichlorobenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5-amine?coupling. | ||||||||||||||||||||||||
| Not classified | |||||||||||||||||||||||||
| 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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| [1] Baskaralingam P, Pulikesi M, Elango D, et al. Adsorption of acid dye onto organobentonite[J]. Journal of hazardous materials, 2006, 128(2-3): 138-144. | |||||||||||||||||||||||||
| Raw materials | 5-Amino-3-methyl-1-phenylpyrazole-->4-Amino-2,5-dichlorobenzenesulfonic acid-->4-Amino-2,5-dichlorobenzenesulfonic acid-->5-Amino-3-methyl-1-phenylpyrazole |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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