Xinghan polymer grade lactic acid (with a lactic acid content of 98.5%) is produced from corn straw using modern fermentation technology. This product is a colorless and clear viscous liquid, free from harmful gases, slightly acidic, hygroscopic, and acidic in aqueous solutions. Lactic acid disinfectant can be mixed with water, ethanol, or ether, and is insoluble in chloroform. It is widely used in pesticide additives and industrial products. Polymeric grade lactic acid can be used at high temperatures.