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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 24 |
| Synonyms: | acilanfastblack3bn;alphanolblackbbn;alphanolblackgv;amacidmillingblackdn;amacidmillingblacks2b;amacidmillingblacksb;amacidmillingblacksg;aminylblackf8bl |
| CAS: | 3071-73-6 |
| MF: | C36H26N5NaO6S2 |
| MW: | 711.74 |
| EINECS: | 221-343-4 |
| Product Categories: | Organics |
| Mol File: | 3071-73-6.mol |
| Boiling point | 1163.56℃[at 101 325 Pa] |
| density | 1.601[at 20℃] |
| vapor pressure | 0Pa at 20℃ |
| Water Solubility | 25.19g/L at 20℃ |
| LogP | -0.657 at 20℃ |
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt (3071-73-6) |
| WGK Germany | 2 |
| RTECS | AQ4220000 |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| Chemical Properties | Blue-black powder. Soluble in water, aqueous solution is reddish blue to black, adding concentrated hydrochloric acid is greenish blue; adding concentrated sodium hydroxide solution is date red. Soluble in ethanol with navy blue color, soluble in ethylene glycol ether, slightly soluble in acetone, insoluble in other organic solvents. In concentrated sulfuric acid is gray-blue to black, after dilution is dark green light blue; in concentrated nitric acid is red light brown and then changed to yellow. When stained with copper ions, the color is darker green, and when stained with iron ions, it is also darker. | |||||||||||||||||||||||||||||||||
| Acid Black 24 (CAS# 3071-73-6) is a textile, water-soluble dye and organic pollutant. | ||||||||||||||||||||||||||||||||||
| Preparation | 5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-(Phenylamino)naphthalen-1-ol ? coupling. | |||||||||||||||||||||||||||||||||
| Non flammable | ||||||||||||||||||||||||||||||||||
| Properties and Applications | blue and black. Blue-black powder. Soluble in water is red light blue or black, soluble in ethanol for navy, slightly soluble in acetone, insoluble in other organic solvents. In a strong sulfuric acid powder blue, it will be a dark green light blue after diluted; In a red light brown nitric acid to yellow. Its water solution and strong hydrochloric acid is green light blue; Add sodium hydroxide fluid shows purplish red color. Dyeing copper ions in a dark green color, also meet iron ion is dark. Used for the Wool Fabric dyeing, especially suitable for kemp products and Wool Blended Fabric dyeing, also can be used for polyamide, silk and leather dyeing. The Barium salt can be used as organic pigments.
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| Raw materials | Sodium hydroxide-->Hydrochloric acid-->Sulfuric acid-->Sodium nitrite-->Sodium sulfate-->Sodium acetate-->Methylamine-->Sodium acetate trihydrate-->1-Naphthylamine-->INDUSTRIAL SALT-->5-Amino-1-naphthalenesulfonic acid-->8-Anilino-1-naphthalenesulfonic acid-->2-AMINONAPHTHALENE HYDROCHLORIDE-->1-Naphthol-5-sulfonic acid-->5-Amino-1-naphthalenesulfonic acid-->8-Anilino-1-naphthalenesulfonic 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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