triarylmethane in a sentence
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- "' Green S "'is a green synthetic coal tar triarylmethane dye with the molecular formula C 27 H 25 N 2 O 7 S 2 Na.
- Its chemical formula is [ C 33 H 4o N 3 ] OH . Victoria blues are members of the triarylmethane dyes, but unlike most such dyes, the Victoria blues have an naphthylamine group.
- Where two of the aryl groups are bridged by a heteroatom, these triarylmethane compounds may be further categorized into acridines ( nitrogen-bridged ), xanthenes ( oxygen-bridged ), and thioxanthenes ( sulfur-bridged ).
- It is one of the four components of basic fuchsine . ( The others are rosaniline, new fuchsine and magenta II . ) It is structurally related to other triarylmethane dyes called methyl violets including crystal violet, which feature methyl groups on nitrogen.
- In a paper published in 1919, Perucca reported an experiment which produced optical rotatory dispersion ( ORD ) as a result of passing chiral as a crystal, but in its natural ( undyed ) state is transparent and does not exhibit enhanced optical activity, so Perucca added an organic dye ( an equilibrium racemic mixture of a triarylmethane textile dye then known as " extra China blue " ).
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