... Molecular weight: 149.56 + 115.06 Name: 5-Chloro-2-methyl-3(2H)-isothiazolone with 2-methyl-3 ... (d420) 1.19, viscosity (23 °C) 5.0 mPa · s, freezing point-18 ~ 21.5 °C, PH 3.5 ~ 5.0, it ... found no sediment PH 3.0-5.0 Activity content % 1.5 Proportion (d420) 1.15 Heavy metal (in Pb plan ... 1 kg x 10 bottles). Export packing for 25 kg/plastic bucket or 250 kg/plastic bucket. Kathon Methylisothiazolinone 1.5 ...