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Key Documents

75768

Supelco

Congo Red

analytical standard

Synonyme(s) :

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

Formule empirique (notation de Hill):
C32H22N6Na2O6S2
Numéro CAS:
Poids moléculaire :
696.66
Numéro C.I. (Colour Index):
22120
Numéro Beilstein :
3894858
Numéro CE :
Numéro MDL:
Code UNSPSC :
85151701
ID de substance PubChem :
Nomenclature NACRES :
NA.24

Qualité

analytical standard

Niveau de qualité

Pureté

≥97.0% (HPLC)

Technique(s)

HPLC: suitable
gas chromatography (GC): suitable

Pf

>360 °C (lit.)

Application(s)

cleaning products
cosmetics
environmental
food and beverages
personal care

Format

neat

Chaîne 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+;;

Clé InChI

IQFVPQOLBLOTPF-HKXUKFGYSA-L

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Produits recommandés

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Pictogrammes

Health hazard

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Carc. 1B - Repr. 2

Code de la classe de stockage

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

Classe de danger pour l'eau (WGK)

WGK 3

Équipement de protection individuelle

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


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Certificats d'analyse (COA)

Lot/Batch Number

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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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