Victoria blue R

Chemical compound From Wikipedia, the free encyclopedia

Victoria blue R is a dye of the triarylmethane class with formula C29H32N3Cl. It has a blue colour that changes to yellow at pH values below 1.[1][2]

Quick facts Names, Identifiers ...
Victoria blue R
Names
IUPAC name
[4-[Bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-ethylazanium chloride
Other names
Basic Blue 11; Victoria Blue RS; Victoria Lake Blue R; Basic Blue; Hidaco Victoria Blue R; Aizen Victoria Blue BOH
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.016.884 Edit this at Wikidata
EC Number
  • 218-572-7
  • InChI=1S/C29H31N3.ClH/c1-6-30-28-20-19-27(25-9-7-8-10-26(25)28)29(21-11-15-23(16-12-21)31(2)3)22-13-17-24(18-14-22)32(4)5;/h7-20H,6H2,1-5H3;1H
    Key: JEVGKYBUANQAKG-UHFFFAOYSA-N
  • [Cl-].C1=CC(C=CC1=[N+](C)C)=C(C=2C=3C=CC=CC3C(=CC2)NCC)C=4C=CC(=CC4)N(C)C
Properties
C29H32ClN3
Molar mass 458.05 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Close

Physical data

Fastness

The dye exerts a high light fastness and washing fastness.

UV/VIS absorption

Victoria Blue R has an absorption peak of around 610 nm.

References

Extra reading

Related Articles

Wikiwand AI