indigotin

The woad plant contains less indigotin, the coloring material within the source, and it requires higher heats to create color in textiles.

The Creation of Color in Eighteenth-Century Europe 2006

In 1865 he started his work on indigo - the blue dye had fascinated him since his youth-and this soon led to the discovery of indole and to the partial synthesis of indigotin.

Adolf von Baeyer - Biography 1966

To bleach that dye out I'll have to go over his face with a needle, pore by pore, and hammer in the indigotin disulphonic.

The Stars My Destination Bester, Alfred 1956

To bleach that dye out I'll have to go over his face with a needle, pore by pore, and hammer in the indigotin disulphonic.

The Stars My Destination Bester, Alfred 1956

Specially worthy of notice are the discoveries of artificial alizarin, in 1868, by Graebe and Liebermann, and of indigotin, in 1878, by Adolf

Scientific American Supplement, No. 810, July 11, 1891 Various

But indigo white is an unstable substance on exposure to air, the oxygen of the latter attacks the hydrogen which it has taken up, and indigotin is reformed, the indigo white changing again into indigo blue.

The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Franklin Beech

The colouring principle of indigo is a body named indigotin, to which the formula C {16} H {16} N {2} O {2} has been given.

The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student Franklin Beech

The stamps are usually covered with a black ink made of sulphate of iron, and this is fixed by myrobalans; the Nilgars usually dye a plain blue with indigotin.

The Tribes and Castes of the Central Provinces of India Volume II R. V. Russell