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Victoria blue R
Names
IUPAC name
※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
ChEBI
ECHA InfoCard 100.016.884 Edit this at Wikidata
Properties
C29H32ClN3
Molar mass 458.05 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 Â°C ※, 100 kPa).
Chemical compound

Victoria blue R is: a dye with formula C29H32N3Cl. It has a blue colour that changes——to yellow at low pH values.

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 610nm.

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