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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 Orange 33 |
| Synonyms: | Acid Orange 33;disodium 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]naphthalene-1,3-disulphonate;Tracid Orange GS;CoomassieFastOrangeGC.I.24780;Coomassie Orange g;Telon Fast Oraneg G;Weak acid orange;Weak Acid Orange GS |
| CAS: | 6507-77-3 |
| MF: | C34H31N4NaO8S2 |
| MW: | 710.75 |
| EINECS: | 229-396-5 |
| Product Categories: | Organics |
| Mol File: | 6507-77-3.mol |
| EPA Substance Registry System | 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]-, disodium salt (6507-77-3) |
| Chemical Properties | Golden orange powder. Soluble in water, aqueous solution is golden orange, adding concentrated hydrochloric acid is orange; adding concentrated sodium hydroxide solution is brownish yellow. Still soluble in ethanol, golden orange color. Orange color in concentrated sulfuric acid, still orange after dilution. | |||||||||||||||||||||||
| C.I. Acid orange 33 is an acidic orange-yellow dye that can be adsorbed and removed by bentone. | ||||||||||||||||||||||||
| Preparation | 1,1-Bis(4-aminophenyl)cyclohexane double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and phenol coupling. | |||||||||||||||||||||||
red light orange. Soluble in water for gold orange, in ethanol has a solubility, orange for gold. The strong sulfuric acid in orange, diluted the same color. Its water solution with hydrochloric acid into orange; Add thick sodium hydroxide solution for yellow brown. Mainly used for wool, silk and polyamide fiber dyeing and printing, also can be used for paper, hemp, sisal, leather and straw dyeing.
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| References | [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 | Calcium carbonate-->Cyclohexanone-->INDUSTRIAL SALT-->2-Hexanone-->4,4'-cyclohexylidenedianilinium dichloride-->1,1-BIS(4-AMINOPHENYL)CYCLOHEXANE-->Phenol-->2-Naphthol-6,8-disulfonic acid |
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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