- Physical/chemical property
| Item
| For industrial use 35% H2O2
| For industrial use 50% H2O2
| Appearance
| Colorless and transparent liquid
| Colorless and transparent liquid | Combustibility | N/A
| N/A | Odor
| Weak unique odor | Weak unique odor | Active oxygen wt% | 16.5
| 23.5 | Specific gravity (20°C . g/ml)
| 1.133 | 1.196 | Apparent pH
| 2.5
| 1.5 | Specific gravity (20°C . g/ml)
| 1.8 | 114
| Freezing point °C | -33 | -52 | Steam pressure mmHg 30°C | -
| - | Total pressure (H2O2 + H2O)
| 23
| 18 | Partial pressure (H2O2)
| 0.36
| 0.74 | Viscosity 20°C, cP
| 1.11
| 1.17 |
|