As mentioned in the 'PROPERTIES' section, this product is supplied as a powder.
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C6767
Kongorot
Dye content ≥35 %, Powder
Synonym(e):
Direktrot 28, Kongorot 4B
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25 G
34,60 €
100 G
116,00 €
About This Item
Empirische Formel (Hill-System):
C32H22N6Na2O6S2
CAS-Nummer:
Molekulargewicht:
696.66
Farbindexnummer:
22120
Beilstein:
3894858
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12171500
PubChem Substanz-ID:
NACRES:
NA.47
Empfohlene Produkte
Produktbezeichnung
Kongorot, Dye content ≥35 %
Form
powder
Qualitätsniveau
Zusammensetzung
Dye content, ≥35%
Methode(n)
titration: suitable
Farbe
red-brown
pH-Wert
6.7 (10 g/L)
mp (Schmelzpunkt)
>360 °C (lit.)
Löslichkeit
H2O: 1 mg/mL
Anwendung(en)
diagnostic assay manufacturing
hematology
histology
Lagertemp.
room temp
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+;;
InChIKey
IQFVPQOLBLOTPF-HKXUKFGYSA-L
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Anwendung
- Congo red has been used as a histochemical stain for the quantification of amyloid deposits in brain tissues.[1]
- It has been used as a cell wall inhibiting agent in fungus Cryptococcus neoformans.[2]
- It has also been used to study microstructural details in the cell walls of raw potato and fried potato using confocal microscopy.[3]
Biochem./physiol. Wirkung
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]
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Carc. 1B - Repr. 2
Lagerklassenschlüssel
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 3
Persönliche Schutzausrüstung
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
Zulassungslistungen
Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.
EU REACH SVHC Candidate List
CAS No.
EU REACH Annex XVII (Restriction List)
CAS No.
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Kunden haben sich ebenfalls angesehen
Some changes in potato chips during frying observed by confocal laser scanning microscopy (CLSM).
Pedreschi F and Aguilera JM
Food Science and Technology International = Ciencia y tecnologia de Los Alimentos Internacional, 8, 197-201 (2002)
Kinetic study and equilibrium isotherm analysis of Congo Red adsorption by clay materials.
Chemical Engineering Journal, 148, 354-364 (2009)
Quantification of cerebral amyloid angiopathy and parenchymal amyloid plaques with Congo red histochemical stain.
Wilcock DM, et al.
Nature Protocols, 1, 1591-1591 (2006)
Anat Frydman-Marom et al.
PloS one, 6(1), e16564-e16564 (2011-02-10)
An increasing body of evidence indicates that accumulation of soluble oligomeric assemblies of β-amyloid polypeptide (Aβ) play a key role in Alzheimer's disease (AD) pathology. Specifically, 56 kDa oligomeric species were shown to be correlated with impaired cognitive function in
PKC1 is essential for protection against both oxidative and nitrosative stresses, cell integrity, and normal manifestation of virulence factors in the pathogenic fungus Cryptococcus neoformans.
Gerik KJ, et al.
Eukaryotic Cell, 7, 1685-1685 (2008)
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hello, I would like to ask about this product, is it a powder or solution? thank you.
1 Antwort-
Hilfreich?
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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 Antwort-
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.
Hilfreich?
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What is the Department of Transportation shipping information for this product?
1 Antwort-
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.
Hilfreich?
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