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C6767 Sigma

Congo Red

Dye content ≥35 %

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 Analytical Reagents, Analytical/Chromatography, C, Cell Biology, Hematology and Histology,
InChI Key   IQFVPQOLBLOTPF-HKXUKFGYSA-L
form   powder
composition   Dye content, ≥35%
mp   >360 °C(lit.)

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Packaging

25, 100 g in poly bottle

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.

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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