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75768

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
EC Number:
209-358-4
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329766696
MDL number:
MFCD00004028
Colour Index Number:
22120
Beilstein/REAXYS Number:
3894858
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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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Related Categories

General description

This compound is listed in the SVHC (Substances of very high concern) candidate list of ECHA (European Chemicals Agency)

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.

Other Notes

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

signalword

Danger

Hazard Classifications

Carc. 1B - Repr. 2

Storage Class

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

wgk

WGK 3

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL8500

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A Yu Mironenko et al.
Carbohydrate polymers, 92(1), 769-774 (2012-12-12)
Sensitive layer-by-layer (LbL) coatings for optical detection of gaseous NH(3) and HCl were prepared by self-assembly of oppositely charged polysaccharides (chitosan and λ-carrageenan) followed by doping LbLs with pH-sensitive dyes - bromothymol blue (BTB) and Congo red (CR). It has
Cong Liu et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(51), 20913-20918 (2012-12-06)
Although aberrant protein aggregation has been conclusively linked to dozens of devastating amyloid diseases, scientists remain puzzled about the molecular features that render amyloid fibrils or small oligomers toxic. Here, we report a previously unobserved type of amyloid fibril that
Jean D Sipe et al.
Amyloid : the international journal of experimental and clinical investigation : the official journal of the International Society of Amyloidosis, 19(4), 167-170 (2012-11-02)
The Nomenclature Committee of the International Society of Amyloidosis (ISA) met during the XIIIth International Symposium, May 6-10, 2012, Groningen, The Netherlands, to formulate recommendations on amyloid fibril protein nomenclature and to consider newly identified candidate amyloid fibril proteins for
Guangshu Zhang et al.
Dalton transactions (Cambridge, England : 2003), 42(10), 3660-3666 (2013-01-10)
Novel nickel hierarchical structures were prepared through a facile one-pot solvothermal approach in the presence of surfactant and mineralizer. The influence of dynamics factors such as polyvinylpyrrolidone (PVP) content, ratio (R) between NaF and NH(3)·H(2)O on the morphologies of the
Sha Wang et al.
PloS one, 7(10), e46564-e46564 (2012-10-17)
Although the high affinity Ca(2+) channel, Cch1, and its subunit Mid1 have been investigated and evaluated in yeast and some of filamentous fungi, little is known about the function of their homologs in the Aspergilli. Here, we have functionally characterized
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Global Trade Item Number

SKUGTIN
75768-25MG04061832916644

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