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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 Brown 4 |
| Synonyms: | sodium,(6E)-6-[(4-aminophenyl)hydrazinylidene]-5-oxonaphthalene-1-sulfonate;Acid Brown 4;sodium 6-[(4-aminophenyl)azo]-5-hydroxynaphthalene-1-sulphonate;1-Naphthalenesulfonic acid, 6-(4-aminophenyl)azo-5-hydroxy-, monosodium salt;Acid brown 4 (C.I. 14805);Brown R;6-[(4-Aminophenyl)azo]-5-hydroxy-1-naphthalenesulfonic acid sodium salt;C.I.14805 |
| CAS: | 5858-51-5 |
| MF: | C16H13N3O4S.Na |
| MW: | 366.35 |
| EINECS: | 227-492-1 |
| Product Categories: | |
| Mol File: | 5858-51-5.mol |
| density | 1.447[at 20℃] |
| Water Solubility | 18.67g/L at 20℃ |
| LogP | -1.616 at 20℃ |
| Uses | Acid Brown 4 is a brown dye whose staining effects can be removed by the electrocoagulation (EC) process. | |||||||||||||||||||||||
| N-(4-aminophenyl)acetamide diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling, and then remove acetyl hydrolysis. | ||||||||||||||||||||||||
| Flammability and Explosibility | Non flammable | |||||||||||||||||||||||
red light brown. Soluble in water for red light brown, soluble in ethanol for yellow light brown. The strong sulfuric acid for wine red, dark blue, diluted to the red orange. Strong hydrochloric acid solution to join a brown orange precipitation; Add thick sodium hydroxide solution for palm orange.
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| References | [1] Parsa J B, et al. Removal of Acid Brown 14 in aqueous media by electrocoagulation: Optimization parameters and minimizing of energy consumption[J]. Desalination, 2011, 278(1-3): 295-302. | |||||||||||||||||||||||
| Raw materials | 4'-Aminoacetanilide-->1-Naphthol-5-sulfonic 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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