DL-Tartaric acid is achromatic clear or white apparent powder, odorless, has a acerb taste, abiding in air. The about body of 1.697 ( monohydrate ). The melting point of 206℃( 210 ℃, 203.4 ℃decomposition ) ( monohydrate ). It is the agnate of dextral and larboard tartaric acerbic mixture, generally with one or two clear water, […]