Last Updated：2025/11/25
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Textile historians often cite paranitraniline red as the first azo dye discovered in 1880, prized for dyeing cellulose fabrics a brilliant red despite its poor fastness.
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Textile historians often cite paranitraniline red as the first azo dye discovered in 1880, prized for dyeing cellulose fabrics a brilliant red despite its poor fastness.
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