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76270 Sigma

Patent Blue V calcium salt

for microscopy

Synonym: Acid Blue 3 calcium salt, Acid Blue V calcium salt, Food Blue 5, Patent Blue V hemicalcium salt

  • CAS Number 3536-49-0

  • Empirical Formula (Hill Notation) C27H31N2O7S2 · 0.5Ca

  • Molecular Weight 579.71

  •  Colour Index Number 42051

  •  Beilstein Registry Number 4108121

  •  EC Number 222-573-8

  •  MDL number MFCD00038746

  •  PubChem Substance ID 24886967

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Properties

grade   for microscopy
InChI Key   RTMBGDBBDQKNNZ-UHFFFAOYSA-L

Description

Other Notes

Literature for Patent Blue Violet discusses two dyes which are very similar, Color Index Numbers 42045 and 42051. Structurally they differ with regard to the substituents on one of the aromatic rings. C.I. 42045 is 2,4-disulfo-substituted while C.I. 42051 is 2,4-disulfo-5-hydroxy-substituted. This is the latter form.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
KH2752000

Documents

Certificate of Analysis

Protocols & Articles
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