... 4.EINECS:215-222-5 5.Density: 5.606 High-purity and Ultra-fine Zinc OxideAppearance: white or light yellow ... oxide, soluble in acid, NaOH, NH4CL, not soluble in water, ethanol, ammonia. It can aborb atmosphere and CO2 to generate ... ) ,% ≤0.100.150.200.100.150.20Soluble matter in water,% ≤0.100.100.150.100.100.15Volatile 105°C,% ... standard, it can go on to be used. High-purity and Ultra-fine Zinc Oxide