Word: paraphenylendiamin
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Dates: during 1920-1929
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...furs. In the fur business it is necessary to dye fitch to represent sable, goat for bear, muskrat for seal, nutria for beaver, rabbit for seal, beaver, otter, mole, chinchilla or sable, and house cat for skunk or sable. The substance of importance in the process of dying is paraphenylendiamin, which is also the basis of most dyes for human hair that are now on the market. When oxidized this becomes quinone, which is a direct irritant. In the presence of moisture, as from perspiration, the quinone invariably produces irritation of the skin. The only method of prevention that...
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