Description
Hydrogen peroxide 50% (H₂O₂ 50%) is a high-concentration, industrial-grade oxidizer. It is very different from the 3% household version and must be handled with extreme caution.
Physical & Chemical Properties
| Property | Typical Value |
|---|---|
| Appearance | Colorless, clear liquid |
| Odor | Slight, sharp |
| pH | ~2.0–4.0 (acidic due to stabilizers) |
| Density (20 °C) | ~1.20 g/cm³ |
| Boiling point | Decomposes before boiling |
| Freezing point | About −52 °C |
| Vapor pressure (20 °C) | ~1–5 mmHg |
| Decomposition | Releases oxygen gas (O₂) |
| Solubility | Completely miscible in water |
| Stability | Reduced by heat, metals, organics, light, and contaminants |
Uses
Industrial bleaching (paper, textiles)
Chemical synthesis
Wastewater treatment
Disinfection in controlled industrial environments
Propellant/oxidizer in specialized applications
Grades available:
Industrial
Technical
Semiconductor/electronics grade (low-metal)
Not typically available as food grade at 50%
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