As mentioned in the 'PROPERTIES' section, this product is supplied as a powder.
C6767
Congo Red
Dye content ≥35 %, Powder
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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Cambia visualizzazione
| Voi/SKU | Disponibilità | Prezzo |
|---|---|---|
25 g | Per conoscere la disponibilità, visualizza il carrello | CHF 52.20 |
100 g | Per conoscere la disponibilità, visualizza il carrello | CHF 165.00 |
Informazioni su questo articolo
Formula empirica (notazione di Hill):
C32H22N6Na2O6S2
Numero CAS:
Peso molecolare:
696.66
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
209-358-4
MDL number:
Colour Index Number:
22120
Beilstein/REAXYS Number:
3894858
Servizio Tecnico
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Permettici di aiutartiNome del prodotto
Congo Red, Dye content ≥35 %
form
powder
Quality Segment
composition
Dye content, ≥35%
technique(s)
titration: suitable
color
red-brown
pH
6.7 (10 g/L)
mp
>360 °C (lit.)
solubility
H2O: 1 mg/mL
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
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+;;
InChI key
IQFVPQOLBLOTPF-HKXUKFGYSA-L
Application
- Congo red has been used as a histochemical stain for the quantification of amyloid deposits in brain tissues.
- It has been used as a cell wall inhibiting agent in fungus Cryptococcus neoformans.
- It has also been used to study microstructural details in the cell walls of raw potato and fried potato using confocal microscopy.
Biochem/physiol Actions
Congo red is a benzidine-based anionic diazo dye. It is a histological dye which binds to many amyloid proteins and is used for the quantification of amyloid β-peptide aggregation. Congo red also interacts with β-D-glucans, polysaccharides containing continuous β-(1→4)-linked D-glucopyranosyl units and some hemicellulosic galactoglucomannans.
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Questo articolo | |||
|---|---|---|---|
| description Dye content ≥35 % | description analytical standard | description certified by the BSC, BioXtra | description - |
| technique(s) titration: suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) microbe id | staining: suitable | technique(s) microbe id | staining: suitable |
| color red-brown | color - | color - | color - |
| form powder | form - | form powder | form powder |
| application(s) diagnostic assay manufacturing | application(s) cleaning products | application(s) diagnostic assay manufacturing | application(s) diagnostic assay manufacturing |
| solubility H2O: 1 mg/mL | solubility - | solubility H2O: 10 mg/mL | solubility acetone: 10 mg/mL |
| composition Dye content, ≥35% | composition - | composition Dye content, ≥85% | composition - |
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Parola di avvertenza
Danger
Codici di pericolo
Avvertenze di sicurezza
Hazard Classifications
Carc. 1B - Repr. 2
Classe di stoccaggio
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Che succede?
WGK 3
DPI (dispositivi di protezione individuale)
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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hello, I would like to ask about this product, is it a powder or solution? thank you.
1 answer-
Helpful?
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What is the Department of Transportation shipping information for this product?
1 answer-
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.
Helpful?
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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 answer-
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.
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