... agent, carbonylating agent, methylolation methoxylation agent in place of the trad It is perfect methylating agent, carbonylating agent ... can be used in synthesis of polycarbonate, diphenyl carbonate, isocynate , allyl-diglycol carbonate , synthesis of all category of polycarbonate; and also can ... and medicine; additionally, as a perfect medium of lithium cell in battery industry. dimethyl carbonate