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China, Germany, and the United States are the leading exporters of chlorine dioxide, collectively accounting for over 60% of global export value in 2023–2024, while the United States, Canada, and South Korea remain the largest importers. Trade volumes have remained relatively stable since 2022, with modest growth in demand from water treatment sectors in North America and East Asia, coinciding with moderate upward pressure on chlorine dioxide prices.
Market Intelligence on Chlorine Dioxide (ClO2) Commodity TrendsI. Price Trends1. Domestic Market:- East China: The price range for industrial-grade chlorine dioxide (98% purity) is 12,000-14,000 CNY/ton, up 2.3% from last week, primarily driven by rising raw material costs for sodium chlorate.- South China: The price for water treatment-grade chlorine dioxide (8% solution) remains stable at 3,500-4,000 CNY/ton, with steady demand from the downstream paper industry.- North China: The price for food-grade chlorine dioxide (99% purity) has risen to 18,000-20,000 CNY/ton, as environmental inspections have led to the suspension of some small-scale plants, tightening supply.2. International Market:- Southeast Asia: CFR prices have increased to USD 1,800-2,000/ton, with demand in India rising due to increased water treatment needs during the monsoon season.- Europe and America: FOB prices are stable at USD 2,200-2,500/ton. While the European energy crisis has a limited impact on production costs, logistics costs have increased by 10%.II. Supply and Demand Dynamics1. Supply Side:- Domestic Capacity Utilization: The overall operating rate is approximately 75%, unchanged from the previous period. However, three enterprises in North China have suspended operations due to environmental inspections, reducing daily output by approximately 50 tons.- Import Volume: August imports decreased by 15% month-on-month, mainly due to reduced European supply, leading to increased procurement from Southeast Asia.2. Demand Side:- Water Treatment Industry: Accounting for 60% of demand, summer peak water usage has driven a 5% increase in demand, although slowing public fiscal expenditure has slowed the progress of some projects.- Paper Industry: Accounting for 25% of demand, high pulp prices have kept chlorine dioxide demand stable, but downstream buyers have strengthened their bargaining power.- Food Processing: Accounting for 10% of demand, demand has rebounded slightly by 3% due to the recovery of cold chain logistics.III. Costs and Profits1. Raw Materials:- Sodium Chlorate Prices: Increased to 5,800-6,200 CNY/ton, up 18% year-on-year, mainly driven by rising electricity costs.- Sulfuric Acid Prices: Stable at 800-900 CNY/ton, with limited impact on costs.2. Profit Margins:- The gross margin for industrial-grade chlorine dioxide has been compressed to 12%-15%, down 3 percentage points from last month.- Due to higher technical barriers, the gross margin for food-grade products remains at 25%-30%.IV. Policy and Industry Developments1. Environmental Policies:- The Ministry of Ecology and Environment has issued the new national standard \"Hygienic Requirements for Chlorine Dioxide Disinfectants,\" raising testing standards for food-grade products and placing rectification pressure on some small-scale plants.2. Industry Events:- A major chlorine dioxide production enterprise in Shandong Province plans to expand capacity by 20% in September. The new capacity is expected to alleviate supply tightness in North China.V. Analysis and Judgment1. Short-term Drivers:- High raw material prices for sodium chlorate, combined with reduced supply in North China, are driving industrial-grade chlorine dioxide prices to remain firm in the short term.- Seasonal growth in Southeast Asian demand supports international market prices.2. Risk Factors:- Stricter environmental policies may accelerate the exit of small and medium-sized production capacities, although capacity expansion by large enterprises may balance the market.- Fluctuations in overseas energy prices may be transmitted to export costs.VI. Price Forecast1. Domestic Market:- Industrial Grade: Prices may rise to 14,500-15,500 CNY/ton in September, with a gradual decline expected after October as new capacity is released.- Food Grade: Affected by the new national standard, prices may remain high until the end of the year, with a fluctuation range of 18,000-21,000 CNY/ton.2. International Market:- Southeast Asia: CFR prices may rise to USD 2,000-2,200/ton, with Indian demand continuing until November.- Europe and America: Supported by energy costs, FOB prices may see a slight increase in Q4 to USD 2,300-2,600/ton.VII. Recommendations1. For Buyers:- Industrial-grade users can sign short-term contracts to lock in prices, while food-grade users should monitor the progress of new national standard certification.- Export enterprises can prioritize the Southeast Asian market to mitigate logistics risks in Europe and America.2. For Producers:- Optimize sodium chlorate procurement strategies and explore alternative raw materials to reduce costs.- Increase R&D investment in food-grade products to improve the proportion of high-margin products.
Chlorine dioxide is a yellowish-green to reddish-yellow gas at room temperature, with a sharp, chlorine-like odor; it is highly volatile and typically handled as an aqueous solution due to its instability in concentrated gaseous form. It is an inorganic oxidizing compound, not classified as organic or aromatic. Chlorine dioxide is primarily used for disinfection and bleaching in water treatment, pulp and paper manufacturing, and food processing. Its strong, selective oxidative properties make it valuable for microbial control without forming significant halogenated by-products. It serves as a key biocide in municipal and industrial water systems and as a bleaching agent for cellulose-based materials.
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. Since chlorine dioxide functions via an oxidative reaction rather than a chlorinating reaction, the formation of chlorinated organic compounds is limited. Also, unlike other oxidizing agents, chlorine dioxide does not attack cellulose, and thus preserves the mechanical properties of bleached pulp. In the final stages of the pulp-bleaching processes, chlorine dioxide is the most frequently used bleaching chemical. A unique whiteness can be achieved using chlorine dioxide in kraft pulp, sulfite pulp, and soda pulp processes. In the United States, the firststage of the pulp-bleaching process makes use of mixtures of chlorine and chlorine dioxide to reduce the formation of organic chlorine compounds (EPA 2002c; Kaczur and Cawlfield 1993; Vogt et al. 1986).In the textile industry, chlorine dioxide is used as a bleaching agent and produces high-quality textile fibers with additional qualities. For example, “shrinkproof” wool owes its qualities to the reaction of chlorine dioxide with the cross-linking sulfur atoms of the wool.
Chlorine dioxide,CI02, is a yellow-reddish gas.It is a very effective bleaching and water treatment agent. Chlorine dioxide is preparedby the reaction of chlorine and sodium chlorite. It is quite unstable and is commonly prepared immediately before use.
This chemical is included in Fine Chemicals. See more about what is Chlorine dioxide and Chlorine dioxide SDS information.
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