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Biological stain Biological Stain for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Crystal Ponceau 6R is a red azo dye useful in histology for staining fibrin in conjunction with MSB (Martius, Scarlet and Blue).
Application
Crystal Ponceau 6R has been used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of collagen fibers and erythrocytes.
| Sonrisas canónicas | C1=CC=C2C(=C1)C=CC=C2N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+] |
|---|---|
| IUPAC Name | disodium;7-hydroxy-8-(naphthalen-1-yldiazenyl)naphthalene-1,3-disulfonate |
| InChIKey | FUGCXLNGEHFIOA-UHFFFAOYSA-L |
| INCHI | 1S/C20H14N2O7S2.2Na/c23-17-9-8-13-10-14(30(24,25)26)11-18(31(27,28)29)19(13)20(17)22-21-16-7-3-5-12-4-1-2-6-15(12)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2 |
| Isómeros SMILES | C1=CC=C2C(=C1)C=CC=C2N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+] |
| WGK Alemania | 3 |
| Peso molecular | 502.43 |
| Reaxy-Rn | 4105519 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4105519&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Clase | Naphthalenes |
| Subclass | 1,1'-azonaphthalenes |
| Intermediate Tree Nodes | Not available |
| Direct Parent | 1,1'-azonaphthalenes |
| Alternative Parents | 2-naphthalene sulfonic acids and derivatives 2-naphthalene sulfonates 1-naphthalene sulfonic acids and derivatives 1-naphthalene sulfonates 1-sulfo,2-unsubstituted aromatic compounds Phenoxides Sulfonyls Organosulfonic acids Azo compounds Propargyl-type 1,3-dipolar organic compounds Organopnictogen compounds Organooxygen compounds Organic sodium salts Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 1,1'-azonaphthalene - Naphthalene sulfonate - 1-naphthalene sulfonic acid or derivatives - 2-naphthalene sulfonic acid or derivatives - Naphthalene sulfonic acid or derivatives - 1-naphthalene sulfonate - 2-naphthalene sulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Phenoxide - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Azo compound - Organic alkali metal salt - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organonitrogen compound - Organic nitrogen compound - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Organic sodium salt - Organic salt - Aromatic homopolycyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as 1,1'-azonaphthalenes. These are organonitrogen aromatic compounds that contain a central azo group, where each nitrogen atom is conjugated to the 1-position of a naphthalene ring system. Naphthalene is a compound made up of two fused benzene rings. |
| External Descriptors | organic sodium salt |
| Solubilidad | Soluble in water (partly). |
|---|---|
| Punto de fusión (°C) | >300° C (lit.) |
| Peso molecular | 502.400 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 2 |
| Exact Mass | 501.988 Da |
| Monoisotopic Mass | 501.988 Da |
| Topological Polar Surface Area | 176.000 Ų |
| Heavy Atom Count | 33 |
| Formal Charge | 0 |
| Complexity | 854.000 |
| 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 | 3 |
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