The dry powder form allows for the preparation of Congo Red for various uses. The recommended dry dye for ordering is C6277 is currently undergoing BSC certification. Congo Red is a dye used for various staining procedures, mostly for staining of amyloid.
C6277
Congo Red
Dye content, ≥85%, certified by the Biological Stain Commission, powder
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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25 G
343,00 €
343,00 €
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25 G
343,00 €
About This Item
Formule empirique (notation de Hill) :
C32H22N6Na2O6S2
Numéro CAS:
Poids moléculaire :
696.66
Numéro C.I. (Colour Index):
22120
Beilstein:
3894858
Numéro CE :
Numéro MDL:
Code UNSPSC :
12171500
ID de substance PubChem :
Nomenclature NACRES :
NA.47
343,00 €
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Nom du produit
Congo Red, certified by the BSC, BioXtra
Agence
certified by the BSC
Gamme de produits
BioXtra
Forme
powder
Composition
Dye content, ≥85%
Technique(s)
microbe id | staining: suitable
Pf
>360 °C (lit.)
Solubilité
H2O: 10 mg/mL
Application(s)
diagnostic assay manufacturing
hematology
histology
Température de stockage
room temp
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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Actions biochimiques/physiologiques
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]
Adéquation
Certified for use as a counterstain for alum based hematoxylin and in the Highman or the Churukian modification of Puchtler′s amyloid stain.
Mention d'avertissement
Danger
Mentions de danger
Conseils de prudence
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
Listes réglementaires
Les listes réglementaires sont principalement fournies pour les produits chimiques. Seules des informations limitées peuvent être fournies ici pour les produits non chimiques. L'absence d'indication signifie qu'aucun des composants n'est répertorié. Il incombe à l'utilisateur de s'assurer de l'utilisation sûre et légale du produit.
EU REACH SVHC Candidate List
CAS No.
EU REACH Annex XVII (Restriction List)
CAS No.
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looking for Congo Red stain, the one used in histopathology, but not sure which of the options is the best.
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What is the Department of Transportation shipping information for this product?
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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.
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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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