
Chlorine dioxide (CAS: 10049-04-4) has the molecular formula ClO₂ and a molecular weight of 67.45. At standard temperature and pressure, it is a yellow-green to orange-red gas with a pungent odor similar to that of chlorine and nitric acid, and it spreads along the ground. Its molecule has a V-shape and is polar, containing unpaired electrons, which give it strong oxidizing properties and high reactivity.
| Item | Specification |
| Melting Point | -59°C |
| Boiling Point | 11°C |
| Density | 3.09g/L |
| Flash point | 166.0±24.0°C |
| Vapor pressure | 0-22900Pa at 20-25℃ |
| Refractive Index | N/A |
| Specific rotation | N/A |
| Solubility | Slightly soluble in water; soluble in alkaline solutions, sulfuric acid, and glacial acetic acid. |
Water Treatment: Bactericidal and algaecidal treatment of tap water, wastewater, and recirculating water; disinfection and purification of aquaculture water
Food Industry: Cleaning and preservation of food ingredients; bleaching of flour; disinfection and sterilization of seeds
Disinfection and Epidemic Prevention: Broad-spectrum disinfection of hospitals, public environments, and medical devices; antibacterial treatment of skin wounds
Light Industry: Chlorine-free bleaching of pulp and textiles; decolorization of industrial wastewater and degradation of toxic pollutants
Other: Odor removal in public spaces; raw material for disinfectants in personal care products; soil sterilization in agriculture
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