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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: | BRILLIANT YELLOW |
| Synonyms: | sodium 4,4'-bis(p-hydroxyphenylazo)-2,2'-vinylenedibenzenesulphonate;DIRECT YELLOW;83 DIRECT YELLOW 83;26 DIRECT YELLOW 26;27 DIRECT YELLOW 27;44 DIRECT YELLOW 44;50 DIRECT YELLOW 50;BRILLIANT YELLOW SODIUM |
| CAS: | 3051-11-4 |
| MF: | C26H21N4NaO8S2 |
| MW: | 604.58 |
| EINECS: | 221-267-1 |
| Product Categories: | Intermediates of Dyes and Pigments;Organics;Stilbenes;Azo;AR |
| Mol File: | 3051-11-4.mol |
| Melting point | >250°C |
| storage temp. | Amber Vial, Refrigerator |
| solubility | Solubility Soluble in water; slightly soluble in ethanol, acetone |
| Colour Index | 24890 |
| form | powder |
| color | Orange |
| PH Range | Yellow (6.4) to red-orange (8.0) |
| Odor | Odorless |
| Water Solubility | Partially soluble in water |
| ε(extinction coefficient) | ≥37000 at 260-268nm ≥37000 at 486-494nm |
| λmax | 497nm |
| BRN | 4122338 |
| Stability: | Light Sensitve |
| Major Application | Display device, sensors, photochromic materials, inks, detergent, cosmetics, biosensors, assay for enzyme activity, antifungal agent, antiAIDS agent |
| CAS DataBase Reference | 3051-11-4(CAS DataBase Reference) |
| EPA Substance Registry System | C.I. Direct Yellow 4, disodium salt (3051-11-4) |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| HS Code | 32041400 |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| Chemical Properties | orange to reddish-brown crystals or powder | |||||||||||||||||||
| Brilliant yellow is an organic diazo dye and a ground water pollutant. Removal processes for brilliant yellow include nanofibrous membrane filtration and nanoplatelet adsorption. Dyes and metabolites. | ||||||||||||||||||||
| Preparation | 1,2-Bis(4-amino-2-sulfophenyl)ethene? double nitriding, and phenol (2 Moore) coupled. | |||||||||||||||||||
brilliant yellow. Soluble in water for golden brown, and adequate soluble in ethanol for golden brown, slightly soluble in acetone and soluble fiber element. The strong sulfuric acid to red light purple, diluted for purple, have black light purple precipitation; In nitric acid solution for dark brown (not all solution). The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick sodium hydroxide solution for palm light orange; Add 10% sodium hydroxide solution for big red. Used for cellulose fiber and polyamide fiber dyeing, also can be used for leather and paper color. Fountain of good dye, discharge sex is very good.
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| Raw materials | 4,4'-Diamino-2,2'-stilbenedisulfonic acid-->Phenol |
| Preparation Products | 3-METHYL-2-BENZOTHIAZOLINONE HYDRAZONE HYDROCHLORIDE-->DIRECT YELLOW 29-->Direct Yellow 19 |
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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