Description：L-lactic acid 90% solution is produced through bio-fermentation of sugar-like carbohydrate to have a unique high optical purity. A colorless or yellowish, nearly odorless, syrupy liquid with a slight acid taste. It is hygroscopic, and completely soluble in water, ethanol or ether, but insoluble in chloroform. Specification data--Odour：Agreeable；Assay：89.5～90.5% w/w；Stereochemical purity：Min.99.5% (L-D)/(L+D)×100；Colour fresh：Max.20 apha；Colour after heating：Max.20 apha； Specific gravity/Density (20/20℃)：1.20～1.22g/ml ； Sulphated ash：Max.0.01%； Basic physical & Chemical properties--Boiling point：125℃ (90% solution)； Viscosity：5～60 mPa.s @25℃ (50～90% solution)；Decomposition temperature：Min.200℃； Application：Featured in high optical purity and applied as initial raw material for the production of chiralpharmaceuticals and agrochemicals. Also applied as initial raw material for polylactic acid which is used for the production of biodegradable materials. Other issues--Packing：250kg per polyethylene bucket, or at the requirement of customers. Storage：Store at a cool and dry place without light.Avoid oxidizing agents, alkaline substances. For more information, please refer to the MSDS. Shelf life：24 months since the date of production when stored in required condition.