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860956

Sigma-Aldrich

Congo Red

certified by the Biological Stain Commission, Dye content 85 %

Sinonimo/i:

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

Formula empirica (notazione di Hill):
C32H22N6Na2O6S2
Numero CAS:
573-58-0
Peso molecolare:
696.66
Colour Index:
22120
Beilstein:
3894858
Numero CE:
209-358-4
Numero MDL:
MFCD00004028
Codice UNSPSC:
12171500

Grado

certified by the Biological Stain Commission

Composizione

Dye content, 85%

tecniche

titration: suitable

pH

3.0-5.0, blue to red

Punto di fusione

>360 °C (lit.)

λmax

497 nm

Stringa SMILE

[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+;;
IQFVPQOLBLOTPF-HKXUKFGYSA-L

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Sostituito da

N° Catalogo
Descrizione
Determinazione del prezzo

Pittogrammi

Health hazard
GHS08

Avvertenze

Danger

Indicazioni di pericolo

H350,H361d

Classi di pericolo

Carc. 1B - Repr. 2

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 3

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
05810PP
09401TB
08323HI
07020MG
0603KK

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Jianjun Qiao et al.
Orphanet journal of rare diseases, 7, 95-95 (2012-12-14)
Amyloidosis cutis dyschromica is a rarely documented variant of cutaneous amyloidosis. To date, only 26 cases have been reported. The purpose of this study was to improve the clinical and histopathological data for this variant of amyloidosis and to highlight
Olga Blifernez-Klassen et al.
Nature communications, 3, 1214-1214 (2012-11-22)
Plants convert sunlight to biomass, which is primarily composed of lignocellulose, the most abundant natural biopolymer and a potential feedstock for fuel and chemical production. Cellulose assimilation has so far only been described for heterotrophic organisms that rely on photosynthetically
Carmen Herrero de Dios et al.
Fungal genetics and biology : FG & B, 50, 21-32 (2012-11-15)
MAPK pathways are conserved and complex mechanisms of signaling in eukaryotic cells. These pathways mediate adaptation to different stress conditions by a core kinase cascade that perceives changes in the environment by different upstream elements and mediates adaptation through transcription
Christina S Faherty et al.
PloS one, 7(11), e49980-e49980 (2012-11-21)
Shigella flexneri is a Gram-negative, facultative intracellular pathogen that causes millions of cases of watery or bloody diarrhea annually, resulting in significant global mortality. Watery diarrhea is thought to arise in the jejunum, and subsequent bloody diarrhea occurs as a
Julien Duboisset et al.
The journal of physical chemistry. B, 117(3), 784-788 (2013-01-08)
Amyloid fibrils are protein misfolding structures that involve a β-sheet structure and are associated with the pathologies of various neurodegenerative diseases. Here we show that Thioflavine-T and Congo Red, two major dyes used to image fibrils by fluorescence assays, can
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