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C6277 Sigma

Congo Red

certified by the Biological Stain Commission, BioXtra

Synonym: Congo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y

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Properties

Related Categories C, Cell Biology, Certified Stains & Dyes, Hematology and Histology, Stains & Dyes, A to Z,
grade   certified by the Biological Stain Commission
InChI Key   IQFVPQOLBLOTPF-HKXUKFGYSA-L
product line   BioXtra
form   powder
composition   Dye content, ≥85%
mp   >360 °C(lit.)
solubility   H2O: soluble10 mg/mL

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Packaging

25 g in glass bottle

Application

Congo red has been used for the staining of β amyloid peptides.

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.

Suitability

Certified for use as a counterstain for alum based hematoxylin and in the Highman or the Churukian modification of Puchtler′s amyloid stain.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




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Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
QK1400000
Protocols & Articles
Peer-Reviewed Papers
15

References

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