Survey of Primary Aromatic Amines Originating from Azo Dyes in Commercial Textile Products in Direct Contact with Skin and in Commercial Leather Products in Japan

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  • KAWAKAMI Tsuyoshi
    Division of Environmental Chemistry, National Institute of Health Sciences
  • ISAMA Kazuo
    Division of Environmental Chemistry, National Institute of Health Sciences
  • NISHIMURA Tetsuji
    Division of Environmental Chemistry, National Institute of Health Sciences Present address: Faculty of Pharmaceutical Science, Teikyo Heisei University

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説明

Twenty-six carcinogenic primary aromatic amines (PAAs) originating from azo dyes in commercial textile products that can potentially come into direct contact with human skin (31 products; 41 samples) and in leather products (23 products; 23 samples) in Japan were investigated. Twelve and 11 PAAs were detected in the textile and leather products, respectively, nearly all at low concentrations (below 1.0 μg/g). However, the concentrations of benzidine (45-593 μg/g) in one shawl and six sheets and covers (seven samples) exceeded European Union (EU) regulatory limits (below 30 μg/g). Concentrations of o-toluidine (430 μg/g), benzidine (31 μg/g), and 3,3′-dimethylbenzidine (40 μg/g) in leather products (hand-crafted leather) also exceeded EU regulatory limits. Shawls, sheets, and covers can come into direct contact with human skin. Thus, an exposure evaluation should be performed for benzidine in these products.

収録刊行物

  • 環境化学

    環境化学 22 (4), 197-204, 2012

    一般社団法人 日本環境化学会

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