GRADE & PURITY Biological Stain

Synonyms

EINECS 220-441-4 | FT-0634472 | NSC 45582 | Crystal Tertracid Ponceau 6R | 1,3-NAPHTHALENEDISULFONIC ACID, 7-HYDROXY-8-(2-(1-NAPHTHALENYL)DIAZENYL)-, SODIUM SALT (1:2) | Acid Leather Ponceau 6R | Acid Red 6A | CI 16250 | NCI176555 | DTXSID20874669 | Colac

Storage

Room temperature

Shipped In

Normal

Overview

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.

Specifications

Synonyms

EINECS 220-441-4 | FT-0634472 | NSC 45582 | Crystal Tertracid Ponceau 6R | 1, 3-NAPHTHALENEDISULFONIC ACID, 7-HYDROXY-8-(2-(1-NAPHTHALENYL)DIAZENYL)-, SODIUM SALT (1:2) | Acid Leather Ponceau 6R | Acid Red 6A | CI 16250 | NCI176555 | DTXSID20874669 | Colac

Specifications & Purity

Biological stain

Biochemical and Physiological Mechanisms

Crystal Ponceau 6R is mainly used in the MSB (martius yellow–crystal scarlet–methyl blue) staining procedure for the staining of connective tissue and fibrin.

Storage

Room temperature

Shipped In

Normal

Grade

Biological Stain

Names and Identifiers

• Canonical 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+]
• 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
• Isomeric 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 Germany: 3
• Molecular Weight: 502.43
• Reaxy-Rn: 4105519
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4105519&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Benzenoids
    • Class Naphthalenes
      • Subclass 1,1'-azonaphthalenes

• Kingdom: Organic compounds
• Superclass: Benzenoids
• Class: 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
• Description: 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

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Soluble in water (partly).
• Melt Point(°C): >300° C (lit.)
• Molecular Weight: 502.400 g/mol
• 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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