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Dyestuff - Law Dictionary Search Results

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Dyestuff

Matched in: Term Dyestuff

morindin

A yellow dyestuff C27H30O14 extracted from the root bark of an East Indian plant Morinda citrifolia or from the bark of

Roccellin

A red dyestuff used as a substitute for cochineal archil etc It consists of the sodium salt of a complex azo

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Purpurin

A dyestuff resembling alizarin found in madder root and extracted as an orange or red crystalline substance

Naphthazarin

A dyestuff resembling alizarin obtained from naphthoquinone as a red crystalline substance with a bright green metallic luster called also

Cerulein

A fast dyestuff C20H8O6 made by heating gallein with strong sulphuric acid It dyes mordanted fabrics green

Luteolin

A yellow dyestuff obtained from the foliage of the dyers broom Reseda luteola

Litmus

A dyestuff extracted from certain lichens Roccella tinctoria Lecanora tartarea etc as a blue amorphous mass which consists of a

Crocetin

A dyestuff obtained from the Chinese crocin which produces a brilliant yellow

Cochineal

A dyestuff consisting of the dried bodies of females of the Coccus cacti an insect native in Mexico Central America

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