White or light yellow solid powder. With crystalline luster, odourless, tasteless, melting point 182C, easily soluble in water, methanol, ethanol, insoluble in acetone, toluene and so on. It is chemically unstable, easy to oxidise in air, humidity and light, the colour change is very obvious, gradually changing from white to sincere red or brown. It is mainly used as raw material for the production of Cefuroxime. Packing It is packed in two-layer polythene bags (one white, one black) plus cardboard drums.