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.
C6277
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
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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
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Productos recomendados
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
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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.
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
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
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looking for Congo Red stain, the one used in histopathology, but not sure which of the options is the best.
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What is the Department of Transportation shipping information for this product?
1 answer-
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.
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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-
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.
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