SIGMA Water, sterile-filtered, BioReagent, suitable for cell cultureSIGMA Water, sterile filtered, BioReagent, suitable for cell culture Formula: H2O Formula Weight: 18. 02 CAS No.: 7732 18 5 Density: 1. 000g mLat 3. 98C(lit.) Application: For use in the preparation of cell culture media, and cell suspension and washing solutions. General description: This product is a very low endotoxin (less than 0. 1 eu mL), 0. 2 micron filtered. Beilstein Registry Number: 2050024 EC No.: 231 791 2 Boiling Point: 100C(lit.)