... DMSO)M.W.:78.13Usage:The organic synthetic solvent of pesticide, dyestuff, pharmaceutical intermediate: arene extraction, refine paraffin ... gas absorption, rare metal leach, medium antifreeze agent, material of hydraulic fluid , accelerant , fertilizer;disinfection, calm, diuresis. ... Assay99.80%Crystalling Point °C≥ 18.10Transmittance400nm≥96.0%refractive index (20°C)1.4775-1.4790Acid Value mgKOH/g ...