RCEES OpenIR  > 环境化学与生态毒理学国家重点实验室
Emerging aromatic secondary amine contaminants and related derivatives in various dust matrices in China
Liu, Runzeng; Li, Yiling; Lin, Yongfeng; Ruan, Ting; Jiang, Guibin
2019-04-15
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume170Pages:657-663
AbstractAromatic secondary amines (Ar-SAs), constituted of several analogues with varied substitutions in molecular structure, are among the most frequently used anthropogenic antioxidants. Despite the reported toxicity effects, little information is available on their environmental contamination, except for few particular congeners such as diphenylamine. In this study, the occurrence of two kinds of Ar-SAs, substituted diphenylamines (S-DPAs) and novel substituted p-phenylenediamines (S-PPDs), was investigated in dust samples collected from outdoor rubber playgrounds and residential houses. Seven S-DPAs (GM: 102 ng/g) and two S-PPDs (GM: 20.9 ng/g) were detected in indoor dust. Significantly higher concentrations of S-DPAs (GM: 422 ng/g) and S-PPDs (GM: 31.6 ng/g) were observed in playground dust (p < 0.05). Different dominant Ar-SA congeners were found for indoor dust (low molecular weight Ar-SAs) and playground dust (high molecular weight Ar-SAs), indicating varied sources of Ar-SAs for different dust matrices. Apart from these parent chemicals, three diphenylamine derivatives, including N-nitrosodiphenylamine, 2-nitrodiphenylamine, and 4-nitrodiphenylamine, were also confirmed in indoor dust (GM: 35.7 ng/g) and playground dust (GM: 7.88 ng/g). A preliminary estimated daily intake calculation via dust ingestion indicated no immediate health risk to Chinese population. To our knowledge, this is the first report on the occurrence of a wide range of Ar-SAs and related derivates in dust matrices.
Department环境化学与生态毒理学国家重点实验室
KeywordAromatic secondary amines Substituted diphenylamines Substituted p-phenylenediamines Derivatives Estimated daily intake
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/42937
Collection环境化学与生态毒理学国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Runzeng,Li, Yiling,Lin, Yongfeng,et al. Emerging aromatic secondary amine contaminants and related derivatives in various dust matrices in China[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2019,170:657-663.
APA Liu, Runzeng,Li, Yiling,Lin, Yongfeng,Ruan, Ting,&Jiang, Guibin.(2019).Emerging aromatic secondary amine contaminants and related derivatives in various dust matrices in China.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,170,657-663.
MLA Liu, Runzeng,et al."Emerging aromatic secondary amine contaminants and related derivatives in various dust matrices in China".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 170(2019):657-663.
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