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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 Black 26 |
| Synonyms: | 2-Naphthalenesulfonic acid, 6-hydroxy-5-4-4-(phenylamino)-3-sulfophenylazo-1-naphthalenylazo-, disodium salt;Benzenesulfonic acid, 2-(phenylamino)-5-[[4-[(2-hydroxy-6-sulfonaphth-1-yl)azo]naphth-1-yl]azo]-, disodium salt;Atul Acid Cyanine Black VL;Daedo Acid Black NB;Folan Fast Black VL;Kayanol Milling Black VLG;Polan Black RB;Triacid Light Black VLN. |
| CAS: | 6262-07-3 |
| MF: | C32H21N5O7S2.2Na |
| MW: | 697.658 |
| EINECS: | 228-412-8 |
| Product Categories: | Organics |
| Mol File: | 6262-07-3.mol |
| Boiling point | 280℃[at 101 325 Pa] |
| density | 1.364-1.471[at 20℃] |
| vapor pressure | 0-0Pa at 25℃ |
| Water Solubility | 67.3-92.84g/L at 20℃ |
| LogP | -2.5--1.984 at 20℃ |
| EPA Substance Registry System | C.I. Acid Black 26, disodium salt (6262-07-3) |
| Chemical Properties | Bluish black powder. Easily soluble in water, solubility in water (90℃) is 100g/L, aqueous solution is blue. Slightly soluble in ethanol, propanol. Violet in concentrated sulfuric acid, turns blue after dilution. | ||||||||||||||||||||||||||||||||
| Acid black 26 is a black agent whose coloring effect can be removed by adsorbents such as zeolites. | |||||||||||||||||||||||||||||||||
| Preparation | 5-Amino-2-(phenylamino)benzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling. | ||||||||||||||||||||||||||||||||
navy blue light to dark. Blue-ray black powder. Soluble in water, in 90 ℃ water solubility of 100 g/L, slightly soluble in ethanol and acetone. The strong sulfuric acid dyes for purple, diluted to blue. The water solution is blue. Discharge sex is good. Used for wool, polyamide fiber, silk and wool blended fabric dyeing, also can be used for leather color. This product is suitable for the dye scattered hair, tops, yarn. Dye, is the best.
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| References | [1] Shojaei S, et al. Application of Box–Behnken design approach for removal of acid black 26 from aqueous solution using zeolite: modeling, optimization, and study of interactive variables[J]. Water Conservation Science and Engineering, 2019, 4: 13-19. | ||||||||||||||||||||||||||||||||
| Raw materials | Aniline-->1-Naphthylamine-->Benzenesulfonic acid-->6-Hydroxynaphthalene-2-sulphonic acid-->4-Aminodiphenyamine-2-sulfonic acid-->6-Hydroxynaphthalene-2-sulphonic acid-->1-Naphthylamine |
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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