... produced throgh the bio-fermentation of corn and is featured for it’s high optical purity, colorless clear liquid, light characteristic ... 3.1mPa.s(25 °C)Molecular weight 104.11g/molMolecular formula C4H8O3 Other issues Packing Net weight 210KG per polyethylene barrel ... and dry place without light, avoid oxidizing agent,alkaline substance, for more information, please refer to the MSDS. Stelf life 12 ...