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4,4'-Dichlorodiphenyl sulfone

  • 40000CNY/TON Updated: 2026-09-11
  • Price change (DoD): 0
    Average price (3M):40000 CNY/TON
    Price Level(1Y):High
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4,4'-Dichlorodiphenyl sulfone Prices Trends in China

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4,4'-Dichlorodiphenyl sulfone Prices sources

Reg Spec 2026/09/08 2026/09/09 2026/09/11 ChangeUnit Comparison

4,4'-Dichlorodiphenyl sulfone Market share- How big is the 4,4'-Dichlorodiphenyl sulfone market?

China and India are the leading exporters of 4,4'-Dichlorodiphenyl sulfone (CAS 80-07-9), collectively accounting for the majority of global shipments, while the United States, Germany, and South Korea represent the largest importers. Import volumes into high-tech manufacturing hubs have remained stable since 2022, with modest upward pressure observed on 4,4'-Dichlorodiphenyl sulfone prices amid tightening supply from key Asian producers.

4,4'-Dichlorodiphenyl sulfone Market Analysis

Recent Market Dynamics Intelligence
1. **Price Trends**
- Domestic Market: The price of 4,4'-dichlorodiphenyl sulfone has recently shown a slight upward fluctuation. The mainstream regional market price increased from [X1] yuan/ton on [Specific Date 1] to [X2] yuan/ton on [Specific Date 2], representing a rise of approximately [X]%.
- International Market: International prices also exhibit an upward trend. The main Asian exporting countries' quotes rose from [X3] USD/ton on [Specific Date 1] to [X4] USD/ton on [Specific Date 2]; European and American market prices have also been adjusted upward, with increases ranging from [X]% to [X]%.

2. **Supply Situation**
- Domestic Production: The overall operating rate of domestic production enterprises is maintained at around [X]%, showing a slight increase compared to the previous period. Some large enterprises are maintaining normal production with sufficient orders and reasonable inventory levels; some small and medium-sized enterprises experience production fluctuations due to environmental protection factors, but the total supply volume has not changed significantly.
- Imports: Recent import volumes have decreased. Due to rising international market prices, some importers have adopted a wait-and-see attitude and reduced procurement volumes, leading to insufficient replenishment of imported supplies.

3. **Demand Situation**
- Downstream Industry Demand: Demand from downstream industries is performing well. In the engineering plastics sector, increasing demand for high-performance engineering plastics in industries such as automotive and electronics has continuously driven up the demand for 4,4'-dichlorodiphenyl sulfone. For example, the trend of automotive lightweighting has boosted demand for polysulfone engineering plastics, thereby increasing the consumption of 4,4'-dichlorodiphenyl sulfone.
- Pharmaceutical Intermediates: Demand for 4,4'-dichlorodiphenyl sulfone has also increased in the pharmaceutical intermediates sector, driven by the development and production of certain new drugs, providing additional demand support for the market.

4. **Cost Factors**
- Key raw materials, chlorobenzene and sulfur, have recently shown an upward price trend. Chlorobenzene prices rose from [X5] yuan/ton on [Specific Date 1] to [X6] yuan/ton on [Specific Date 2]; sulfur prices increased from [X7] yuan/ton on [Specific Date 1] to [X8] yuan/ton on [Specific Date 2]. The rise in raw material prices has increased the production costs of 4,4'-dichlorodiphenyl sulfone, pushing product prices upward.

5. **Policy Environment**
- Environmental protection policies continue to tighten, imposing higher requirements on chemical enterprises. Some enterprises that do not meet environmental standards have had their production restricted or suspended, affecting market supply. Additionally, increased environmental protection investments have raised enterprise production costs, indirectly driving up product prices.

Analysis and Judgment
1. **Reasons for Price Increase**
- Demand Side: Growing demand from downstream industries such as engineering plastics and pharmaceutical intermediates has boosted market demand for 4,4'-dichlorodiphenyl sulfone, tightening the supply-demand relationship and prompting price increases.
- Supply Side: Production by some domestic enterprises is affected by environmental and other factors, and import volumes have decreased. The overall supply has failed to effectively meet the growing demand, supporting price increases.
- Cost Side: Rising prices of key raw materials, chlorobenzene and sulfur, have increased production costs. Enterprises have raised product selling prices to maintain profit margins.

2. **Current Market Assessment**
- The market is currently in a state of relative balance but slightly tight. Prices are trending upward under the dual pressure of cost push and demand pull. Overall enterprise inventory levels are reasonable, but some enterprises have low inventory levels due to good order intake.

Forecast
1. **Short-term Forecast (1 - 3 Months)**
- Price: The price of 4,4'-dichlorodiphenyl sulfone is expected to continue its slight upward trend. With the continued release of downstream demand and persistently high raw material prices, product prices are expected to rise by [X]% to [X]% from current levels.
- Supply: Domestic enterprise operating rates will remain at current levels, with no significant changes in supply volume. Import volumes may remain low due to high international market prices, keeping overall market supply tight.
- Demand: Demand from downstream engineering plastics and pharmaceutical intermediates industries is expected to continue growing, maintaining strong demand for 4,4'-dichlorodiphenyl sulfone.

2. **Long-term Forecast (3 - 6 Months and Beyond)**
- Price: If raw material prices continue to rise or downstream demand further increases, the price of 4,4'-dichlorodiphenyl sulfone may continue to climb, but the rate of increase may gradually slow down due to market adjustments and competitive factors.
- Supply: With the continued implementation of environmental protection policies and the completion of technological upgrades by enterprises, the production capacity of some enterprises may improve. Market supply is expected to increase, and the supply-demand relationship may gradually become more relaxed.
- Demand: The development trends of downstream industries will determine the long-term demand for 4,4'-dichlorodiphenyl sulfone. If industries such as automotive and electronics maintain stable growth, demand for engineering plastics will continue to increase, thereby driving demand for 4,4'-dichlorodiphenyl sulfone. Innovation in the pharmaceutical industry will also provide new growth points for product demand.

About 4,4'-Dichlorodiphenyl sulfone

4,4'-Dichlorodiphenyl sulfone is a white to off-white crystalline solid at room temperature, odorless, with a melting point of approximately 147–150 °C and low volatility. It is an aromatic organic compound classified as a diaryl sulfone and serves primarily as a high-performance chemical intermediate. Its principal industrial use is in the synthesis of polyether sulfone (PES) and polyphenyl sulfone (PPSU) engineering thermoplastics, which are valued for thermal stability, mechanical strength, and chemical resistance. These polymers are widely employed in membrane filtration, medical devices, automotive components, and aerospace applications. The compound is also utilized in specialty epoxy resin formulations and as a building block in select high-temperature polymer systems.


off-white crystals or powder

This chemical is included in Fine Chemicals. See more about what is 4,4'-Dichlorodiphenyl sulfone and 4,4'-Dichlorodiphenyl sulfone SDS information.

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