Water, H2O, CAS Number-7732-18-5, dihydrogen monoxide, dihydrogen oxide, 1L, Vapor Pressure: 17.5mmHg at 20 deg.C, 10ppb max., < 1 CFU/mL, 100 deg.C, 10 ppb max., 20 ppb max., CHEBI:15377, Gray, Colorless, 2uS/cm Max., 1.000g/cm3, 0.025 EU/mL max., 0.03 Micron filtered and autoclaved, 18.01