Price trend

On May 20, the benchmark price for DOP, as reported by SunSirs, stood at 9,517.50 RMB/ton—a decrease of 5.31% compared to the beginning of the month (10,050.83 RMB/ton).

On May 20, the DOP market in the Jiangsu region stabilized, with quotes standing at 9,400 RMB/ton. The DOP market in the Shandong region also stabilized, with quotes at 9,200 RMB/ton; similarly, the DOP market in the Zhejiang region stabilized, with quotes at 9,500 RMB/ton.

On May 19, the SunSirs Commodity Price Comparison Index for Phthalic Anhydride and DOP stood at 101.83 points, an increase of 0.08 points from the previous day. This figure represents a 9.99% decline from the cycle's peak of 113.13 points (recorded on October 16, 2022) and a 125.44% increase from the cycle's low of 45.17 points (recorded on July 27, 2021). (Note: The cycle period covers January 1, 2012, to the present.)

Market analysis

On May 20, the market for phthalic anhydride—a key raw material for DOP—experienced weak consolidation, while isooctanol prices stabilized; consequently, the overall cost of DOP raw materials leveled off. DOP manufacturers increased their operating rates, and market conditions in downstream sectors also stabilized. Downstream demand was driven primarily by immediate necessities, yet downstream customers demonstrated an increased willingness to make purchases. Transaction prices were subject to negotiation, with DOP quoted in the range of 9,200–9,500 RMB/ton; both quoted prices and actual transaction prices remained stable. As bullish factors waned and bearish factors persisted, the overall DOP market trended toward stability.

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