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RESEARCH DATA SHEETS
Click here for MSDS information

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

The solubility of ozone depends on the water temperature and the ozone concentration in the gas phase: Units in mg/l or ppm.

O3 GAS 5° C 10° C 15° C 20° C
1.5% 11.09 9.75 8.40 6.43
2% 14.79 13.00 11.19 8.57
3% 22.18 19.50 16.79 12.86
   

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Allegheny Ozone
 409 Stoystown Road
Somerset, Pennsylvania 15501

Telephone:  814-445-4969
Mobile: 814-442-0585
E-Mail Us:   jpyle@alleghenyozone.com
 
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