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Patent Blue V

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For Research Use Only | Not For Clinical Use
CATAPB3536490
CAS3536-49-0
Structure
SynonymsAcid Blue 3; C.I. Food Blue 5; Carmine Blue V; Acidal Carmine V; Merantine Blue V
IUPAC Namecalcium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-6-hydroxybenzene-1,3-disulfonate
Molecular Weight1159.4
Molecular FormulaC54H62CaN4O14S4
DescriptionPatent Blue V or Acid Blue 3 is a synthetic triphenylmethane dye. It occurs as dark blue powder or granules.
AppearanceDark blue powder or granules
Dye Content≥85%
Loss On DryingMax. 45% at 135 °C
Pubchem CID77073
Pubchem SID463751340
UsesPatent Blue V is a dye used in lymphangiography and sentinel node biopsy in medicine to colour lymph vessels.
It is also used as a stain in dental disclosing tablets to reveal dental plaque on teeth.
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