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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 2 |
| Synonyms: | ACID BLACK 2;ACID BLACK;NIGROSINE, WATER SOLUBLE, CERTIFIED, PURE;Nigrosine G;Nigrosine WSJ;Nigrosine (acid black 2);Nigrosine,pure,water soluble;Nigrosine,pure,water soluble, certified |
| CAS: | 8005-03-6 |
| MF: | NULL |
| MW: | 0 |
| EINECS: | 616-852-7 |
| Product Categories: | Azine;Staining Solutions for Capsule StainingMicroscopy Reagents and Kits;Staining Solutions for Negative Staining;Microscopy Reagents and Kits;Staining Solutions |
| Mol File: | Mol File |
| storage temp. | Store at RT. |
| solubility | H2O: soluble |
| Colour Index | 50420 |
| form | powder |
| color | Red-black to black |
| Water Solubility | SOLUBLE |
| λmax | 570 nm |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Biological Applications | Diagnostic assay; rodenticide |
| Cosmetics Ingredients Functions | COLORANT |
| LogP | 1.468 (est) |
| EPA Substance Registry System | C.I. Acid Black 2 (8005-03-6) |
| Hazard Codes | Xi,T |
| Risk Statements | 43-45 |
| Safety Statements | 36/37-24/25-24-22-45-53 |
| WGK Germany | 3 |
| RTECS | GC4762250 |
| TSCA | Yes |
| HS Code | 32041200 |
| Hazardous Substances Data | 8005-03-6(Hazardous Substances Data) |
| Provider | Language |
|---|---|
| Nigrosine | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Chemical Properties | black crystals or powder | ||||||||||||||||||||||||
| It is employed as a common biological stain for tissues and cells. Used to make inks and shoe-polish and for dyeing leather, wood, textiles, and plastics. The crude mixture of nigrosine hydrochlorides (Phenol Black L) is used to dye phenolic resins. Bases are used to make printing colors and to dye plastics. It finds its use in Dorner?s spore stain, as a negative stain in place of India ink for spirochetes, bacteria, protozoa and fungi. It is also used in compounding resins include phenolic resins, styrenics, polyamides and urea resins. | |||||||||||||||||||||||||
| Definition | ChEBI: Amido Black 10B is an organic sodium salt resulting from the formal condensation of Amido Black 10B (acid form) with two equivalents of sodium hydroxide. It has a role as a histological dye. It contains a 4-amino-5-hydroxy-3-[(p-nitrophenyl)azo]-6-(phenylazo)-naphthalene-2,7-disulfonate. | ||||||||||||||||||||||||
| will all grades of alcohol solution aniline Black (C.I.Solvent Black 5, C.I. 50415) stlfonation, again into their products for all kinds of sodium salt. | |||||||||||||||||||||||||
| Properties and Applications | black. Black with flash in the granular, a violet is soluble in water, soluble in ethanol is blue. The strong sulfuric acid dyes is blue, it will be diluted and the generated purple precipitation. Blue light purple in aqueous solution, and sodium hydroxide show dark purple precipitation. Mainly used for leather dyeing. Also applies to paper, wood, soap, electrical-controlled aluminum, wool and silk dyeing of content, but also can be used in the manufacture of ink.
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| Raw materials | Sodium hydroxide-->Sulfuric acid-->Aniline-->Nitrobenzene-->Cresol-->Nitrophenol-->SOLVENT BLACK 5 |
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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