... 15,28,40)Formula: Na2H2P2O7Molecular weight:221.94Properties: White crystal or power, soluble in water, acidic property appeared in aqueous solution. ... leaven, modifier, emulsifier, nutrient and canning preservative in foods.Packing:In 25kgs net paper or plastic woven bags.Storage and ... Transport:It should be stored in a dry, ventilative and clean warehouse; kept away ...