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201375 Sigma-Aldrich

Brilliant Yellow

Dye content ≥50 %

Synonym: Direct Yellow 4

  • CAS Number 3051-11-4

  • Empirical Formula (Hill Notation) C26H18N4Na2O8S2

  • Molecular Weight 624.55

  •  Colour Index Number 24890

  •  Beilstein/REAXYS Number 4122338

  •  EC Number 221-267-1

  •  MDL number MFCD00007489

  •  PubChem Substance ID 24852007

  •  NACRES NA.47

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, B, Cell Biology, Hematology and Histology,
composition   Dye content, ≥50%
visual transition interval   6.5 - 8.0, orange to red-orange
λmax   497 nm at 0.1 N in NaOH
SMILES string   [Na+].[Na+].Oc1ccc(cc1)\N=N\c2ccc(\C=C\c3ccc(cc3S([O-])(=O)=O)\N=N\c4ccc(O)cc4)c(c2)S([O-])(=O)=O
InChI   1S/C26H20N4O8S2.2Na/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20;;/h1-16,31-32H,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2/b2-1+,29-27+,30-28+;;
InChI key   YLDIUICHQPKMNH-MAPAHAHLSA-L

Description

General description

Brilliant Yellow is an orange colored powder and it belongs to the group of azo dyes. It is yellow at pH 6.4 and red-orange at pH 8.0. Brilliant Yellow has been widely used as a biosensor, anti-fungal agent, anti-AIDS (acquired immunodeficiency syndrome) agent and is used in assays for enzyme activity.

Application

Brilliant Yellow has been used to determine the transfer of inoculum from male moths to females during mating.

Packaging

25 g in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Titrette from Brand
Protocols & Articles
Peer-Reviewed Papers
15

References

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