for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
La sal Fast Black K es un colorante soluble en agua utilizado para la demostración histoquímica de fosfatasas ácidas con fosfatos de AS naftol. También es útil para la tinción de componentes tisulares proteináceos.
Colorante soluble en agua
| Pubchem Sid | 488199338 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488199338 |
| Sonrisas canónicas | COC1=CC(=C(C=C1N=NC2=CC=C(C=C2)[N+](=O)[O-])OC)[N+]#N.COC1=CC(=C(C=C1N=NC2=CC=C(C=C2)[N+](=O)[O-])OC)[N+]#N.[Cl-].[Cl-].Cl[Zn]Cl |
| IUPAC Name | dichlorozinc;2,5-dimethoxy-4-[(4-nitrophenyl)diazenyl]benzenediazonium;dichloride |
| InChIKey | NZWZSUSPTZUGNN-UHFFFAOYSA-J |
| INCHI | 1S/2C14H12N5O4.4ClH.Zn/c2*1-22-13-8-12(14(23-2)7-11(13)16-15)18-17-9-3-5-10(6-4-9)19(20)21;;;;;/h2*3-8H,1-2H3;4*1H;/q2*+1;;;;;+2/p-4 |
| Isómeros SMILES | COC1=CC(=C(C=C1N=NC2=CC=C(C=C2)[N+](=O)[O-])OC)[N+]#N.COC1=CC(=C(C=C1N=NC2=CC=C(C=C2)[N+](=O)[O-])OC)[N+]#N.[Cl-].[Cl-].Cl[Zn]Cl |
| CAS alternativo | 27766-47-8 |
| Peso molecular | 417.88 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Clase | Azobenzenes |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Azobenzenes |
| Alternative Parents | Dimethoxybenzenes Nitrobenzenes Methoxyanilines Phenoxy compounds Anisoles Nitroaromatic compounds Alkyl aryl ethers Organic diazonium salts Azo compounds Propargyl-type 1,3-dipolar organic compounds Organic transition metal salts Organic oxoazanium compounds Organic metal halides Organic oxides Hydrocarbon derivatives Organic chloride salts Organic cations |
| Molecular Framework | Not available |
| Substituents | Azobenzene - P-dimethoxybenzene - Dimethoxybenzene - Nitrobenzene - Methoxyaniline - Phenoxy compound - Nitroaromatic compound - Anisole - Phenol ether - Methoxybenzene - Alkyl aryl ether - Monocyclic benzene moiety - Benzenoid - Azo compound - C-nitro compound - Organic diazonium salt - Organic nitro compound - Allyl-type 1,3-dipolar organic compound - Organic transition metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic metal halide - Ether - Organic oxoazanium - Organic chloride salt - Organic salt - Organonitrogen compound - Organic oxide - Organic oxygen compound - Organooxygen compound - Hydrocarbon derivative - Organic nitrogen compound - Organic cation - Aromatic homomonocyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as azobenzenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to a benzene ring. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
 L2523379 | Certificate of Analysis | Dec 03, 2025 | F113033 |
| L2523390 | Certificate of Analysis | Dec 03, 2025 | F113033 |
| G2307228 | Certificate of Analysis | Jun 07, 2023 | F113033 |
| G2307232 | Certificate of Analysis | Jun 07, 2023 | F113033 |
| G2307285 | Certificate of Analysis | Jun 07, 2023 | F113033 |
| G2307289 | Certificate of Analysis | Jun 07, 2023 | F113033 |
| C23181091 | Certificate of Analysis | Jan 31, 2023 | F113033 |
| C23181092 | Certificate of Analysis | Jan 31, 2023 | F113033 |
| C23181093 | Certificate of Analysis | Jan 31, 2023 | F113033 |
| C23181094 | Certificate of Analysis | Jan 31, 2023 | F113033 |
| E2311156 | Certificate of Analysis | Jan 31, 2023 | F113033 |
| Solubilidad | Soluble in water (10 mg/ml). |
|---|---|
| Punto de fusión (°C) | 150°C |
| Peso molecular | 835.700 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 16 |
| Rotatable Bond Count | 8 |
| Exact Mass | 833.979 Da |
| Monoisotopic Mass | 831.982 Da |
| Topological Polar Surface Area | 234.000 Ų |
| Heavy Atom Count | 51 |
| Formal Charge | 0 |
| Complexity | 480.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 5 |
| 1. Wang Lu, Mingwei Xia, Ziyue Tang, Yingquan Chen, Xianhua Wang, Haiping Yang, Hanping Chen. (2025) Synergetic regulation mechanism of K-assisted bamboo gasification for porous char and H2-rich syngas poly-generation. JOURNAL OF THE ENERGY INSTITUTE, [PMID:] [10.1016/j.joei.2025.102304] |
