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Product Description
Chlorine Dioxide (CAS# 10049-04-4), with the molecular formula ClO₂ and a molecular weight of 67.45. Under normal temperature and pressure, it appears as a yellowish-green to orange-yellow gas with a pungent odor. In liquid form, it is a reddish-brown liquid, and in solid form, it is an orange-red crystal. Because pure gas concentration exceeding 10% is prone to explosion, it is mostly applied in the form of stable chlorine dioxide solution or on-site preparation.
Chlorine dioxide Chemical Properties |
Melting point | -59°C |
Boiling point | 11°C |
density | 3.09g/L |
vapor pressure | 0-22900Pa at 20-25℃ |
solubility | slightly soluble in H2O |
form | orange-green gas |
color | orange-green |
Water Solubility | Soluble ºC |
Exposure limits | TLV-TWA 0.1 ppm (0.3 mg/m3); (ACGIH, MSHA, OSHA, and NIOSH); TLV-STEL 0.3 ppm (ACGIH); IDLH 10 ppm (NIOSH). |
Dielectric constant | 1.7(77.0℃) |
Stability: | May decompose explosively on shock, friction or concussion, or on heating rapidly. Strong oxidant - reacts violently with combustible and reducing materials, and with mercury, ammonia, sulphur and many organic compounds. |
LogP | -3.22--2.9 at 20℃ |
CAS DataBase Reference | 10049-04-4(CAS DataBase Reference) |
NIST Chemistry Reference | Chlorine dioxide(10049-04-4) |
EPA Substance Registry System | Chlorine dioxide (10049-04-4) |
Safety Information |
Hazard Codes | O,T+,N |
Risk Statements | 6-8-26-34-50 |
Safety Statements | 23-26-28-36/37/39-38-45-61 |
OEB | C |
OEL | TWA: 0.1 ppm (0.3 mg/m3), STEL: 0.3 ppm (0.9 mg/m3) |
RIDADR | UN 9191 |
Hazardous Substances Data | 10049-04-4(Hazardous Substances Data) |
IDLA | 5 ppm |
Product Usage
Wood-pulp bleaching is the largest use of chlorine dioxide, which is a uniquely selective oxidizer for lignin. In general, the trend in the pulp industry has been to eliminate chlorine and hypochochlorite as bleaching agents and replace them with chlorine dioxide.
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Packaging And Shipping
We provide fully compliant, safe and customizable packaging solutions for Sodium Hydroxide, Calcium Chloride, Sodium Carbonate, Potassium Hydroxide and all our industrial chemical products. All packaging strictly follows UN, IMDG and IATA international transport standards, with anti-leakage, moisture-proof and corrosion-resistant design. We also offer professional loading, container reinforcement and full-process traceable global shipping services, ensuring your goods arrive safely and on time at any destination worldwide.
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