Properties of Ozone

Property	Ozone	vs. Oxygen
Molecular Formula:	03	O2
Molecular Weight:	48	32
Color:	light blue	colorless
Smell:	clothes after being outside on clothesline photocopy machines smell after lightning storms	odorless
Solubility in Water (@ O-deg C):	0.64	0.049
Density (g/l):	2.144	1.429
Electrochemical Potential, V:	2.07	1.23

Typical O3 Half-Life vs. Temperature

Gaseous	Dissolved in Water (pH 7)
Temp (C) Half-Life * -50 3 months -35 18 days -25 8 days 20 3 days 120 1.5 hours 250 1.5 seconds	Temp (C) Half-Life 15 30 minutes 20 20 minutes 25 15 minutes 30 12 minutes 35 8 minutes
* These values are based on thermal decomposition, no wall effects or other catalytic effects are considered.

Ozone Solubility

Gaseous	Dissolved in Water (pH 7)
Temp (C) Half-Life * -50 3 months -35 18 days -25 8 days 20 3 days 120 1.5 hours 250 1.5 seconds	Temp (C) Half-Life 15 30 minutes 20 20 minutes 25 15 minutes 30 12 minutes 35 8 minutes
* These values are based on thermal decomposition, no wall effects or other catalytic effects are considered.