... + C4H5NOS Molecular weight: 149.56 + 115.06 Name: 5-Chloro-2-methyl-3(2H)-isothiazolone with 2-methyl-3 ... 1.19, viscosity (23 °C) 5.0 mPa · s, freezing point-18 ~ 21.5 °C, PH 3.5 ~ 5.0, it is soluble in ... stored at room temperature for a year, when 50 °C storage half a year, few activity decline, the heat ... the operation temperature should not be more than 50 °C, the product in the PH 1 ~ 8 range are ...