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. 2020 Jan 29;25(3):587. doi: 10.3390/molecules25030587

Table 3.

Chemical and physical properties nonchlorinated-pesticide compounds (NCPs) and chlorinated-pesticide compounds (OCPs) *.

OCPs NCPs
pp’DDT pp’DDE pp’DDD α-HCH β-HCH γ-HCH Atrazine Carbaryl Carbofuran Maneb
Molecule structure graphic file with name molecules-25-00587-i001.jpg graphic file with name molecules-25-00587-i002.jpg graphic file with name molecules-25-00587-i003.jpg graphic file with name molecules-25-00587-i004.jpg graphic file with name molecules-25-00587-i005.jpg graphic file with name molecules-25-00587-i006.jpg graphic file with name molecules-25-00587-i007.jpg graphic file with name molecules-25-00587-i008.jpg graphic file with name molecules-25-00587-i009.jpg graphic file with name molecules-25-00587-i010.jpg
Pesticide type Insecticide Insecticide Insecticide Insecticide Insecticide Insecticide Herbicide Insecticide Insecticide Fungicide
Molecular weight
(g mol−1)		 354.49 318.02 320.04 290.82 290.82 290.82 215.68 201.22 221.26 265.30
Water solublility
(mg l−1)		 0.006 0.12 0.09 2.0 2.41 8.52 35 9.1 322 178
log Ko/w 6.91 6.51 6.02 3.82 3.57 3.50 2.7 2.36 1.8 −0.45
Vapor pressure
(mPa)		 0.025 - 0.18 5.99 0.029 4.40 0.039 0.042 0.08 0.014
Soil degradation,
DT 50 (days)		 6200 5000 1000 175 10 980 75 16 29 7
Bioconcentration factor
(l kg−1)		 3173 1800 - 20 527 1300 4.3 44 12 Low risk
Threshold of toxicological concern (Cramer class) High
(class III)		 High
(class III)		 High
(class III)		 High
(class III)		 High
(class III)		 High
(class III)		 High
(class III)		 High
(class III)		 High
(class III)		 High
(class III)

Log Ko/w—logarithm of the octanol-water partitioning coefficient. * Data from PubChem Open chemistry database and PPDB: Pesticide Properties DataBase University of Hertforddhire.