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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: | BISMARCK BROWN R |
| Synonyms: | 1,3-Benzenediamine,4,4’-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-,dihydrochloride;3-benzenediamine,4,4’-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-dihyd;abcolbrownrconc;bismarkbrownr;Basic Brown 4, Vesuvin;2,4-Bis(2,4-diamino-5-methyl-1-benzenazo)toluene dihydrochloride;1,3-Benzenediamine, 4,4'-[(4-methyl-1,3-phenylene)bis(2,1-d iazenediyl)]bis[6-methyl-, hydrochloride (1:2);CI NO 21010 |
| CAS: | 5421-66-9 |
| MF: | C21H25ClN8 |
| MW: | 424.94 |
| EINECS: | 226-541-4 |
| Product Categories: | Organics |
| Mol File: | 5421-66-9.mol |
| Melting point | 222 °C (dec.)(lit.) |
| form | Powder |
| Colour Index | 21010 |
| color | Brown to Black |
| Odor | Odorless |
| Water Solubility | Soluble in water |
| BRN | 1829673 |
| EPA Substance Registry System | 1,3-Benzenediamine, 4,4'-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-, dihydrochloride (5421-66-9) |
| WGK Germany | 3 |
| TSCA | Yes |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| Uses | Bismarck Brown R is used as an adsorbate and is used in dye decoloration experiment. Dyes and metabolites. | ||||||||||||||||||||||
| based in 2 Moore’s deal with 3 Moore’s diazo, and 4-Methylbenzene-1,3-diamine hydrochloride (this product in the above may double the azo dyes as the main component of the mixture). | |||||||||||||||||||||||
| Properties and Applications | red light brown. For yellow brown is soluble in water, soluble in ethanol and soluble fiber element, slightly soluble in acetone, insoluble in benzene. The strong sulfuric acid for brown, diluted into a red light brown; In nitric acid solution for purple, to brown; In strong hydrochloric acid for purple solution (don’t). The dye solution to join strong hydrochloric acid for yellow brown; Add 10% sodium hydroxide solution into orange. Mainly used for silk, wool fabric dyeing, also used in leather and paper color
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| Raw materials | 2,4-Diaminotoluene |
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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