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198250 Sigma-Aldrich

Rose bengal

certified by the Biological Stain Commission, Dye content ≥80 %

Synonym: 4,5,6,7-Tetrachloro-2′,4′,5′,7′-tetraiodofluorescein disodium salt, Acid Red 94, Bengal Rose B sodium salt, Rose Bengal sodium salt

  • CAS Number 632-69-9

  • Empirical Formula (Hill Notation) C20H2Cl4I4Na2O5

  • Molecular Weight 1017.64

  •  Colour Index Number 45440

  •  Beilstein Registry Number 3645857

  •  EC Number 211-183-3

  •  MDL number MFCD00005043

  •  PubChem Substance ID 24851870

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Properties

grade   certified by the Biological Stain Commission
InChI Key   UWBXIFCTIZXXLS-UHFFFAOYSA-L
composition   Dye content, ≥80%
absorption   λmax 548 nm

Description

Packaging

5, 25 g in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
LM5920000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

HPLC Analysis of Synthetic Food Dyes on Ascentis® Express C18

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Synthetic Food Dyes on Ascentis® Express C18
Keywords: Chromatography, High performance liquid chromatography

Peer-Reviewed Papers
15

References

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