Methomyl Health And Safety Guide - Health And Safety Guide 97

United Nations Environment Programme ; World Health Organization ; International Labour Organisation (1995)

Methomyl is a white crystalline solid with a melting point of 77 °C. It is soluble in water and in many organic solvents. It is stable at temperatures up to 140 °C; the autoignition temperature is 265 °C. Methomyl is stable in sterile distilled water at pH values of 5-7 but decomposes increasingly with higher pH and temperature levels. Its half-life in water at pH 9 is 30 days.

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