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The acute toxicity of tert.-Butylamine the hydrolysis product of tert.-Butylisocyanate to fish was tested according to OECD TG 203 yielding a LC50(96 h) of >500 mg/L (MITI, 2001).

The toxicity of tert.-Butylamine, the hydrolysis product of tert-butyl isocyanate, yielded an EC50(3 h) of 9655 mg/L as well as an EC10(3 h) of 1577 mg/L when tested for toxicity towards microorganisms (Bayer AG, 1990).

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