【 WhatsApp】
+86-21-6420 0566
8618501763615
| 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: | disodium 3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate |
| Synonyms: | disodium,(3Z)-3-[[4-[(4-amino-6-sulfonatonaphthalen-1-yl)diazenyl]phenyl]hydrazinylidene]-6-[(2,4-diaminophenyl)diazenyl]-4-oxonaphthalene-2-sulfonate;Direct black 94;Direct Black FF;Atul Direct Black FR;Dinamine Fast Black FR;Direct Black L-N;Dycosdirect Black FF.;3-[[4-[[4-amino-6(or7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxy-2-naphthalenesulfonic aci disodium salt |
| CAS: | 8003-62-1 |
| MF: | C32H23N9Na2O7S2 |
| MW: | 755.69066 |
| EINECS: | 232-321-9 |
| Product Categories: | Dyes and Pigments |
| Mol File: | 8003-62-1.mol |
| EPA Substance Registry System | 2-Naphthalenesulfonic acid, 3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxy-, disodium salt (8003-62-1) |
| Chemical Properties | Black uniform powder. Soluble in water, ethylene glycol ether, slightly soluble in ethanol, insoluble in other organic solvents. Its aqueous solution is reddish black, slightly reddish when added to concentrated alkali solution. In concentrated sulfuric acid is dark blue to navy blue, after dilution is dark red light blue to black; in concentrated nitric acid is red solution; in concentrated hydrochloric acid is slightly soluble, is red light gray. | ||||||||||||||||||||||||||||
| 4-Nitrobenzenamine diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid matches, will the nitro reduction for amino, product to diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, generation of accidentally nitrogen compounds to diazo, and Benzene-1,3-diamine coupling (31560). Note: the above structure is in (FIAT 764) about Columbia Black FF examples given in this, but the real structure have not been determined. 4-Nitrobenzenamine diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid matches, will the nitro reduction for amino, product to diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, generation of accidentally nitrogen compounds to diazo, and 4-Methylbenzene-1,3-diamine coupling (C i.. 31565) | |||||||||||||||||||||||||||||
| Properties and Applications | black. Black uniform powder. Soluble in water for red light black, soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. In the dark for the strong sulfuric acid to navy, diluted dark red light for blue or black; In nitric acid solution for red; In strong hydrochloric acid slightly soluble in, red to grey. The dye solution to join strong micro red sodium hydroxide solution. Mainly used for cotton, hemp, such as glue of cellulose fiber dyeing, also suitable for silk, polyamide fiber dyeing. Especially suitable for wool/stick blended fabric dyeing a bath.
| ||||||||||||||||||||||||||||
| Raw materials | Oleic acid-->4-Nitroaniline-->m-Phenylenediamine-->1-Naphthylamine-7-sulfonic acid-->N-Methyl-4-nitroaniline-->1-Aminonaphthalene-6-sulfonic acid-->5-Aminonaphthalene-2-sulphonic 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.
Ready to Start?
For help with solutions customized to your business needs, contact Export Director now.
With 30+ years of experience and We firmly believe that product quality is the basis of cooperation.
Chat Now
Phone
8618501763615
Working hours
Monday to Friday
TEl
+86-21-6420 0566
