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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: | Direct Yellow 28 |
| Synonyms: | PYRAZOLYELLOWBG;Direct yellow 28 (C.I. 19555);Yellow FF;Mitsui Direct Fast Yellow BC;Nankai Direct Fast Yellow BC;Showa Direct Fast Yellow BC;Sirius Supra Yellow RR;Chloramine Yellow 2G |
| CAS: | 8005-72-9 |
| MF: | C28H18N4O6S4.2Na |
| MW: | 680.716 |
| EINECS: | |
| Product Categories: | |
| Mol File: | 8005-72-9.mol |
| EPA Substance Registry System | C.I. Direct Yellow 28 (8005-72-9) |
| Preparation | use sodium hypochlorite treatment 2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acidsodium solution. A pure dye has strong green, and can be refined and sulfuric acid, such as Sirius Supra Yellow FRL (IG) | |||||||||||||||||||||||||||
red light yellow. Yellow brown powder. Soluble in water, slightly soluble in ethanol lemon yellow. The strong sulfuric acid dyes for red light brown, diluted into yellow. The dye water solution is golden brown, add the strong hydrochloric acid sodium hydroxide solution or thick after the same color. All kinds of drug resistance, good resistance to chlorine stability, rongalite resistance and reduction of sodium sulfide. 60 ℃ in the solubility of 40 g/L, not sensitive to that fights. Dye bath of copper ions in colored light micro to turn green (4 ~ 5 level), iron ions in a red light (4 ~ 5 level), SDC classification for C, dye migration sex differences, to dead cotton covering power is poor. Cotton and glue the neutral and alkaline white are poor. Used for cotton, viscose of dyeing and printing, also used in cotton, viscose fiber blended fabric, wool, silk and polyamide fiber dyeing. Can also be used in leather, paper color. More used to spell dye.
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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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