Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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aniline dyes

A class of synthetic, organic dyes originally obtained from aniline (coal tars), which were, in fact, the first synthetic dyes. Today the term is used with reference to any synthetic organic dyes and pigments, regardless of source, in contrast to animal or vegetable coloring materials, natural earth pigments, and synthetic inorganic pigments. Aniline dyes are classified according to their degree of brightness or their light fastness. Basic dyes are known for their extreme brightness, as well as for their lack of COLOR FASTNESS .

Aniline dyes are used to impart color to paper, cloth, leather, etc. Also called "coal tar dyes." See also: ACID DYES ;BASIC DYES ;DIRECT DYES ;DYE ;LAKE .

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