Spirit blue

Spirit blue
Names
IUPAC name
4-[(4-anilinophenyl)-(4-phenyliminocyclohexa-2,5-dien-1-ylidene)methyl]-N-phenylaniline hydrochloride
Other names
Opal blue SS, HSDB 466, Solvent Blue 23 monohydrochloride
Identifiers
2152-64-9
ChEBI CHEBI:86483 YesY
ChemSpider 15674 YesY
PubChem 16534
Properties
C37H30ClN3
Molar mass 552.12 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Spirit blue or Opal blue SS is an azo-dye with formula C37H30ClN3. It is used as an indicator in agar for detection of lipase activity in bacteria.

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