OCPs | Physicochemical properties | |||||
Molecular mass (g・mol−1) | Water solubility (mg・L−1) at (˚C) | Melting point (˚C) | Log Kow | Vapor pressure, mmHg; at (˚C) | Henry’s constant at 25˚C (atm m3・mol−1) | |
Alpha-HCH | 290.83 | 69.5 (28˚C) | 159 - 160 | 3.8 | 4.5 × 10−5 (25˚C) | 6.86 × 10−6 |
Gamma-HCH | 290.83 | 7.3 (25˚C) | 112.5 - 113.5 | 3.78 | 4.5 × 10−5 (20˚C) | 3.5 × 10−6 |
Heptachlor | 373.3 | 0.056 (25˚C - 29˚C) | 95 - 96 | 3.9 | 3.7 × 10−4 (25˚C) | 2.62 × 10−3 |
Delta-HCH | 290.83 | 10.0 (25˚C) | 141 - 142 | 4.14 | 3.5 × 10−5 (25˚C) | 2.1 × 10−7 |
Aldrin | 364.91 | 0.011 (20˚C) | 104 - 105.5 | 6.5 | 1.28 × 10−4 (25˚C) | 4.9 × 10−5 |
Alpha-endosufan | 406.9 | 0.32 (22˚C) | 109.2 | 3.83 | 9 × 10−3 (80˚C) | 1.5 × 10−5 |
pp’ DDE | 318.03 | 0.12 (25˚C) | 89 | 6.0 | 6 × 10−6 (25˚C) | 2.1 × 10−5 |
Dieldrin | 380.91 | 0.11 (25˚C) | 176 - 177 | 6.2 | 5.89 × 10−6 (25˚C) | 5.2 × 10−6 |
Endrin | 380.9 | 0.2 (25˚C) | 235 | 5.45 | 2 × 10−7 (25˚C) | 4 × 10−7 |
pp’ DDT | 354.49 | insoluble | 108.5 - 109 | 6.79 | 2 × 10−7 (20˚C) | 8.3 × 10−6 |
Beta-endosulfan | 406.9 | 0.33 (22˚C) | 213.3 | 3.52 | 9 × 10−6 m (80˚C) | 1.91 × 10−5 |
Endrin aldehyde | 381.9 | 50 (25˚C) | 145 - 149 | 4.7 | 2 × 10−9 (25˚C) | 2 × 10−9 |
Endosufan sulfate | 422.92 | 0.22 (22˚C) | 181 | 3.66 | N/A | 2.61 × 10−5 |