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Table 8. Toxicity of selected diorganotin and triorganotin compounds to zoeae <br />of the marine mud crab (Rithropanopeus harrisii) exposed from hatching to age <br />14 days (modified from Laughlin et al. 1985). <br />Compound tested and formula <br />Total Tin Total Tin <br />product only product only <br />DIORGANOTINS <br />Dimethyltin dichloride, <br />(CH3)2SnC12 <br />Diethyltin dichloride, <br />(C2H5)2SnC12 <br />Dipropyltin dichloride, <br />(C3H7)2SnC12 <br />Dibutyltin dichloride, <br />(C4H9)2SnC12 <br />Diphenyltin dichloride, <br />(C5H11)2SnC12 <br />Dicyclohexyltin dichloride, <br />(C6H13)2SnC12 <br />TRIORGANOTINS <br />Trimethyltin hydroxide, <br />(CH3)3SnOH <br />Triethyltin hydroxide, <br />(C2H5)3SnOH <br />Tripropyltin oxide, <br />((C3H7)3Sn)20 <br />Tributyltin oxide, <br />((C4H9)3Sn)20 <br />Triphenyltin hydroxide, <br />(C5H11)3SnOH <br />Tricyclohexyltin bromide, <br />(C6H13)3SnBr <br />10.0 5.4 20.0 10.8 <br />2.5 1.2 5.0 2.4 <br />2.5 1.1 5.0 2.2 <br />0.25 0.097 2.0 0.78 <br />0.5 0.18 0.75 0.27 <br />0.125 0.041 0.25 0.082 <br />0.075 0.05 0.1 0.067 <br />0.075 0.04 0.1 0.053 <br />0.025 0.015 0.05 0.03 <br />0.01 0.005 0.02 0.011 <br />0.01 0.003 0.02 0.007 <br />0.006 0.0016 0.009 0.0023 <br />36