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05-5580 Sigma-Aldrich

Congo Red

JIS special grade

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

  •  Colour Index Number 22120

  •  Beilstein/REAXYS Number 3894858

  •  EC Number 209-358-4

  •  MDL number MFCD00004028

  •  PubChem Substance ID 329748091

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Properties

Related Categories C, Cell Biology, Certified Stains & Dyes, Hematology and Histology, Stains & Dyes, A to Z,
grade   JIS special grade
availability   available only in Japan
mp   >360 °C (lit.)
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
Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
RTECS 
QK1400000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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