Ozone Properties
Ozone is one of the most powerful oxidants used in water & air applications. See the different properties of ozone below.
Property |
Ozone |
Oxygen |
Molecular Formula: |
O3 |
O2 |
Molecular Weight: |
48 g/mol |
32 g/mol |
Smell: |
- Clothes after being outside on clothesline
- Photocopy machines
- Smell after lightning storms
|
Odorless |
Color: |
Light blue |
Colorless |
Boilint Point: |
-111.3 deg C (-168.4 deg F) |
-183 deg C (-297.4 deg 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-deg 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 |
Ozone Half-Life vs. Temperature
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 |
* These values are based on thermal decomposition only. No wall effects, humidity, organic loading or other catalytic effects are considered.
Temp (C) |
Half-life in water (minutes) |
15 |
30 |
20 |
20 |
25 |
15 |
30 |
12 |
35 |
8 |