... sulfate is an effective methylating agent for amine and phenol, widely used in organic synthetic industry, such as medicine, biochemistry, ... with oxidant, cyanide, food or articles for daily used.Dimethyl sulfate is hypertoxic and vesicant with a sign ... about 20 daysSpecificationsDimethyl Sulfate (DMS) is colorless liquid, mainly used in organic synthetic industry, such as biochemistry, dye, perfume, ...