rosaniline การใช้

Hofmann's researches on rosaniline, which he first prepared in 1858, were the beginning of a series of investigations on coloring matter.
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 1863, Hofmann showed that aniline blue is a triphenyl derivative of rosaniline and discovered that different alkyl groups could be introduced into the rosaniline molecule to produce dyes of various purple or violet colours, which became known as'Hofmann's violets '.
In 1863, Hofmann showed that aniline blue is a triphenyl derivative of rosaniline and discovered that different alkyl groups could be introduced into the rosaniline molecule to produce dyes of various purple or violet colours, which became known as'Hofmann's violets '.