Acute Toxicity and Ecological Risk Assessment of Benzophenone and N,N -Diethyl-3 Methylbenzamide in Personal Care Products

Hong-Qin Sun, Yang Du, Zi-Yang Zhang, Wen-Jing Jiang, Yan-Min Guo, Xi-Wu Lu, Yi-Min Zhang and Li-Wei Sun
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Hong-Qin Sun: School of Energy and Environment, Southeast University, 2 Sipailou, Nanjing 210096, China
Yang Du: School of Energy and Environment, Southeast University, 2 Sipailou, Nanjing 210096, China
Zi-Yang Zhang: Department of Building, Civil, and Environmental Engineering, Concordia University, 1455 de Maisonneuve, Boulevard West, Montreal, QC H3G 1M8, Canada
Wen-Jing Jiang: School of Energy and Environment, Southeast University, 2 Sipailou, Nanjing 210096, China
Yan-Min Guo: School of Energy and Environment, Southeast University, 2 Sipailou, Nanjing 210096, China
Xi-Wu Lu: School of Energy and Environment, Southeast University, 2 Sipailou, Nanjing 210096, China
Yi-Min Zhang: Research Center of Watershed Ecological Conservation and Water Pollution Control, Nanjing Institute of Environmental Sciences, Ministry of Environmental Protection of the People’s Republic of China, 8 Jiangwangmiao Street, Nanjing 210042, China
Li-Wei Sun: School of Energy and Environment, Southeast University, 2 Sipailou, Nanjing 210096, China

IJERPH, 2016, vol. 13, issue 9, 1-13

Abstract: Benzophenone (BP) and N,N -diethyl-3-methylbenzamide (DEET) are two chemicals often used in personal care products (PCPs). There is a lack of systematic ecotoxicological evaluations about the two chemicals to aquatic organisms. In the present study, the acute toxic effects on Chlorella vulgaris , Daphnia Magana , and Brachydanio rerio were tested and the ecotoxicological risks were evaluated. For BP, the 96-h half-maximal effective concentration (EC 50 ) on C. vulgaris was 6.86 mg/L; the 24-h median lethal concentration (LC 50 ) on D. magana was 7.63 mg/L; the 96-h LC 50 on B. rerio was 14.73 mg/L. For DEET, those were 270.72 mg/L, 40.74 mg/L, and 109.67 mg/L, respectively. The mixture toxicity of BP and DEET, on C. vulgaris , D. magana , and B. rerio all showed an additive effect. The induced predicted no-effect concentrations (PNECs) for BP and DEET by assessment factor (AF) method are 0.003 mg/L and 0.407 mg/L, respectively. Both are lower than the concentrations detected from environment at present, verifying that BP and DEET are low-risk chemicals to the environment.

Keywords: benzophenone; N , N -diethyl-3-methylbenzamide; personal care products; acute toxicity; ecological risk assessment (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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