victoria blue

victoria blue
noun
Etymology: after Queen Victoria
1. usually capitalized V & often capitalized B : any of several basic dyes derived from diphenyl-naphthyl-methane that dye wool and silk royal blue and are used also as biological stains and organic pigments: as
a. or victoria blue B : a dye made from Michler's ketone and N-phenyl-alpha-naphthylamine — see dye table I (under Basic Blue 26, Pigment Blue 2, Solvent Blue 4)
b. or victoria blue R : a dye made from Michler's ketone and N-ethyl-alpha-naphthylamine — see dye table I (under Basic Blue 11, Solvent Blue 6)
2. often capitalized V : a strong blue that is redder and duller than Sèvres, cerulean blue (sense 1b), or cyanine blue (sense 1a)

Useful english dictionary. 2012.

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  • Victoria Blue BO — Victoria Blue BO, also known as C.I. Basic Blue 7 and C.I. 42595, is a chloride salt of a synthetic blue triarylmethane dye. Its chemical formula is C33H40N3Cl. It has the appearance of a reddish blue powder. It is a photosensitizer.SMILESCAS|CAS …   Wikipedia

  • Victoria Blue BO — Structure de Victoria Blue BO. Le contre ion du cation ammonium est un chlorure. Général Nom IUPA …   Wikipédia en Français

  • victoria blue B — noun see victoria blue 1a …   Useful english dictionary

  • victoria blue R — noun see victoria blue 1b …   Useful english dictionary

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