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
ChEBI
ChemSpider
ECHA InfoCard 100.016.766 Edit this at Wikidata
UNII
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).

Spirit blue or Opal blue SS is a dye with formula C37H30ClN3.[1] It is used as an indicator in agar for detection of lipase activity in bacteria.[2]

References

  1. ^ "Opal Blue SS". National Center for Biotechnology Information. Archived from the original on 21 December 2016. Retrieved 21 December 2016.
  2. ^ Starr, Mortimer P. (April 4, 1941). "Spirit Blue Agar: A Medium for the Detection of Lipolytic Microorganisms". Science. 93 (2414): 333–334. Bibcode:1941Sci....93..333S. doi:10.1126/science.93.2414.333. PMID 17748334 – via CrossRef.
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