Property | Ozone | Oxygen |
Molecular Formula | O3 | O2 |
Molecular Weight | 48 g/mol | 32 g/mol |
Smell |
|
Odorless |
Color | Light blue | Colorless |
Boilint Point | -111.3 °C (-168.4 °F) | -183 °C (-297.4 °F) |
Density | 2.141 kg/m3 (0.133 lb/ft3) | 1.429 kg/m3 |
Electrochemical Potential | 2.07 | 1.23 |
Specific gravity @ STP (air = 1) | 1.612 | 1.105 |
Solubility in Water (0°C) | 190 mg/l | 14.6 mg/l |
CAS number | 10028-15-6 | 7782-44-7 |
Odor Threshold | 5-20 PPB (0.005 - 0.02 PPM) | Odorless |
Temp (°C) | Half-life in air* |
-50 | 3 months |
-35 | 18 days |
-25 | 8 days |
20 | 3 days |
120 | 1.5 hours |
250 | 1.5 seconds |
Temp (°C) | Half-life in water (minutes) |
15 | 30 |
20 | 20 |
25 | 15 |
30 | 12 |
35 | 8 |
( * These values are based on thermal decomposition only. No wall effects, humidity, organic loading or other catalytic effects are considered.)