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phosphoric acid molecular formula :H3PO4 ; molecular weight :97.99 ; property : it is in colorless transparent and syrupy liquid or rhombic crystalline , it is ordorless and tastes very sour its melting point is 42.35and when heated to 300 it will become into meta phosphoric acid , it is relative desity is 1.834 , it is easily soluble in water and resolves in ethanol , it may irritate human skin to cause phlogosis and destrory the issue of human body , it shows corro-siveness being heated in ceranuc vesseks ; it has got hydroscopicity .
packing and storage : packed in 35kg or 330kg net plastic drums . during transportation of storage the inner cover as well as the outer cover of the packing drums must be well sealed , it is classified as a hazardous product of the 2nd class of risk , and its hazarddous chemicals code in china is 93002 , it is easily frozen in winter season .