... , Overview Ozone's English name is OZONE, formula O3, molecular weight 48, which is the oxygen (O2) of the allotrope, there are three oxygen ... atoms, ozone is a pale blue at room ... standard conditions, the ozone density P = 2.144g / L, Air P = 1.293g / L. Ozone solubility in water is about 10-15 times of the ...