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75768

Supelco

Congo Red

analytical standard

Synonym(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

Empirical Formula (Hill Notation):
C32H22N6Na2O6S2
CAS Number:
573-58-0
Molecular Weight:
696.66
Colour Index Number:
22120
Beilstein:
3894858
EC Number:
209-358-4
MDL number:
MFCD00004028
UNSPSC Code:
85151701
PubChem Substance ID:
329766696
NACRES:
NA.24

grade

analytical standard

Quality Level

100

Assay

≥97.0% (HPLC)

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

>360 °C (lit.)

application(s)

cleaning products
cosmetics
environmental
food and beverages
personal care

format

neat

SMILES string

[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+;;

InChI key

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Recommended products

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.

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H350,H361d

Hazard Classifications

Carc. 1B - Repr. 2

Storage Class Code

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

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL8500
1399706V
1399706

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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
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
M W Oli et al.
Microbiology (Reading, England), 158(Pt 12), 2903-2916 (2012-10-20)
Dental caries is a common infectious disease associated with acidogenic and aciduric bacteria, including Streptococcus mutans. Organisms that cause cavities form recalcitrant biofilms, generate acids from dietary sugars and tolerate acid end products. It has recently been recognized that micro-organisms
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
Aabgeena Naeem et al.
PloS one, 8(1), e54061-e54061 (2013-01-24)
The misfolding and aggregation of proteins is involved in some of the most prevalent neurodegenerative disorders. The importance of human serum albumin (HSA) stems from the fact that it is involved in bio-regulatory and transport phenomena. Here the effect of
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