Crystal Ponceau 6R - Biological stain , CAS No.2766-77-0

CAS: 2766-77-0 Cat. No.: C331149 Peso molecular: 502.43 Número EC: 220-441-4
Disponible para pedir
GRADE & PURITY Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters.
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
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
5g
C331149-5g
3
69,90US$
25g
C331149-25g
1
156,90US$
Enter a quantity for the sizes you want to add.
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Why this grade

Biological stain Biological Stain for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

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

Sinónimos
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
Especificaciones y pureza
Biological stain
Mecanismos bioquímicos y fisiológicos
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.
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
Normal
Grado
Biological Stain
Nombres e identificadores
Sonrisas canónicasC1=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 Namedisodium;7-hydroxy-8-(naphthalen-1-yldiazenyl)naphthalene-1,3-disulfonate
InChIKeyFUGCXLNGEHFIOA-UHFFFAOYSA-L
INCHI1S/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=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClaseNaphthalenes
Subclass1,1'-azonaphthalenes
Intermediate Tree Nodes Not available
Direct Parent1,1'-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 FrameworkAromatic 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
DescripciónThis 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
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

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3 results found

Lot NumberCertificate TypeFechaArticulo
I2208667Certificate of AnalysisJun 09, 2025 C331149
I2208669Certificate of AnalysisJun 09, 2025 C331149
L2420358Certificate of AnalysisJul 28, 2022 C331149
Propiedades químicas y físicas
SolubilidadSoluble in water (partly).
Punto de fusión (°C)>300° C (lit.)
Peso molecular502.400 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count9
Rotatable Bond Count2
Exact Mass501.988 Da
Monoisotopic Mass501.988 Da
Topological Polar Surface Area176.000 Ų
Heavy Atom Count33
Formal Charge0
Complexity854.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Preguntas frecuentes y artículos
Calculadoras de soluciones
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