Saltar al contenido
Merck

C6277

Sigma-Aldrich

Congo Red

Dye content, ≥85%, certified by the Biological Stain Commission, powder

Sinónimos:

Congo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y

Iniciar sesiónpara Ver la Fijación de precios por contrato y de la organización


About This Item

Fórmula empírica (notación de Hill):
C32H22N6Na2O6S2
Número de CAS:
Peso molecular:
696.66
Número de índice de color:
22120
Beilstein:
3894858
Número CE:
Número MDL:
Código UNSPSC:
12171500
ID de la sustancia en PubChem:
NACRES:
NA.47
En este momento no podemos mostrarle ni los precios ni la disponibilidad

Nombre del producto

Congo Red, certified by the Biological Stain Commission, BioXtra

grado

certified by the Biological Stain Commission

Nivel de calidad

Línea del producto

BioXtra

Formulario

powder

composición

Dye content, ≥85%

técnicas

microbe id | staining: suitable

mp

>360 °C (lit.)

solubilidad

H2O: 10 mg/mL

aplicaciones

diagnostic assay manufacturing
hematology
histology

temp. de almacenamiento

room temp

cadena SMILES

[Na+].[Na+].Nc1c(cc(c2ccccc12)S([O-])(=O)=O)\N=N\c3ccc(cc3)-c4ccc(cc4)\N=N\c5cc(c6ccccc6c5N)S([O-])(=O)=O

InChI

1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b37-35+,38-36+;;

Clave InChI

IQFVPQOLBLOTPF-HKXUKFGYSA-L

¿Está buscando productos similares? Visita Guía de comparación de productos

Aplicación

Congo red has been used for the staining of β amyloid peptides.[1][2][3]

Acciones bioquímicas o fisiológicas

Congo red is a benzidine-based anionic diazo dye.[4] It is a histological dye which binds to many amyloid proteins and is used for the quantification of amyloid β-peptide aggregation.[5] Congo red also interacts with β-D-glucans, polysaccharides containing continuous β-(1→4)-linked D-glucopyranosyl units and some hemicellulosic galactoglucomannans.[6]

Idoneidad

Certified for use as a counterstain for alum based hematoxylin and in the Highman or the Churukian modification of Puchtler′s amyloid stain.

Pictogramas

Health hazard

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

Carc. 1B - Repr. 2

Código de clase de almacenamiento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Clase de riesgo para el agua (WGK)

WGK 3

Equipo de protección personal

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


Elija entre una de las versiones más recientes:

Certificados de análisis (COA)

Lot/Batch Number

¿No ve la versión correcta?

Si necesita una versión concreta, puede buscar un certificado específico por el número de lote.

¿Ya tiene este producto?

Encuentre la documentación para los productos que ha comprado recientemente en la Biblioteca de documentos.

Visite la Librería de documentos

Los clientes también vieron

Long-term treatment of thalidomide ameliorates amyloid-like pathology through inhibition of ?-secretase in a mouse model of Alzheimer's disease.
He P, et al.
PLoS ONE, 8, e55091-e55091 (2013)
Efficient imaging of amyloid deposits in Drosophila models of human amyloidoses.
Berg I, et al.
Nature Protocols, 5, 935-935 (2010)
Alejandro Llanos-Chea et al.
Journal of pediatric gastroenterology and nutrition, 68(4), 509-516 (2018-11-13)
Enteric bacterial pathogens cause diarrheal disease and mortality at significant rates throughout the world, particularly in children younger than 5 years. Our ability to combat bacterial pathogens has been hindered by antibiotic resistance, a lack of effective vaccines, and accurate
Quantifying amyloid beta-peptide (Abeta) aggregation using the Congo red-Abeta (CR-abeta) spectrophotometric assay.
Klunk WE, et al.
Analytical Biochemistry, 266, 66-66 (1999)
Kinetic study and equilibrium isotherm analysis of Congo Red adsorption by clay materials.
Vimonses V, et al.
Chemical Engineering Journal, 148, 354-364 (2009)

Questions

1–3 of 3 Questions  
  1. looking for Congo Red stain, the one used in histopathology, but not sure which of the options is the best.

    1 answer
    1. The dry powder form allows for the preparation of Congo Red for various uses. The recommended dry dye for ordering is C6277 is currently undergoing BSC certification. Congo Red is a dye used for various staining procedures, mostly for staining of amyloid.

      Helpful?

  2. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

      Helpful?

  3. Why does the SDS for Congo Red list carcinogen as an OSHA hazard, (Section 2) but in Section 11 on carcinogenicity, it states that there is no component identified as a carcinogen?

    1 answer
    1. The reason that there is not an OSHA listing for carcinogens on most of SDS that have a hazard of a carcinogen hazard is because that section of the SDS is specifically for the OSHA regulated carcinogens, also referred to as the OSHA 13. Congo red at this time is not specifically called out  as a carcinogen by the other 3 Organizations listed (IARC, NTP, ACGIH) either. Congo red is listed by the European Classification Labeling & Packaging (CLP) Regulation (which is a pretty definitive guide for hazard classification), as a carcinogen. No other organizations have had the time to classify this material at this time. This is why it is only listed as a carcinogen in section 2 and in section 15.

      Helpful?

Reviews

No rating value

Active Filters

Nuestro equipo de científicos tiene experiencia en todas las áreas de investigación: Ciencias de la vida, Ciencia de los materiales, Síntesis química, Cromatografía, Analítica y muchas otras.

Póngase en contacto con el Servicio técnico