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60910 Sigma-Aldrich

Congo Red

for microscopy (Bact., Bot., Hist.), indicator (pH 3.0-5.2), Reag. Ph. Eur.

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

  • CAS Number 573-58-0

  • Empirical Formula (Hill Notation) C32H22N6Na2O6S2

  • Molecular Weight 696.66

  •  Beilstein Registry Number 3894858

  •  Colour Index Number 22120

  •  EC Number 209-358-4

  •  MDL number MFCD00004028

  •  PubChem Substance ID 329759284

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Indicators, Microscopy Reagents, Stains and Dyes,
grade   Reag. Ph. Eur.
  for microscopy (Bact., Bot., Hist.)
  indicator (pH 3.0-5.2)
InChI Key   IQFVPQOLBLOTPF-HKXUKFGYSA-L
form   powder
mp   >360 °C(lit.)

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

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.



Safety & Documentation

Safety Information

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

References

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Description

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C6767 Congo Red, Dye content ≥35 %

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