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Home > News > On January 12, the domestic market for DOP (Dioctyl Phthalate) showed a trend of...

On January 12, the domestic market for DOP (Dioctyl Phthalate) showed a trend of stabilization.

Published on 2026-01-12

On January 11, the business-to-business price ratio index for isooctanol and DOP stood at 110.71, unchanged from the previous day. Compared to the cycle's peak of 147.70 points (February 7, 2022), it decreased by 25.04%, while it increased by 20.68% from the cycle's low of 91.74 points (November 3, 2015). (Note: The cycle refers to the period from January 1, 2012, to the present.) Isooctanol prices have stabilized strongly, while DOP prices have also stabilized, with reduced downward pressure but still existing upward momentum.

On January 11, the business-to-business price ratio index for phthalic anhydride and DOP was 88.79, unchanged from the previous day. Compared to the cycle's peak of 113.13 points (October 16, 2022), it decreased by 21.52%, while it increased by 96.57% from the cycle's low of 45.17 points (July 27, 2021). (Note: The cycle refers to the period from January 1, 2012, to the present.) Phthalic anhydride prices have fluctuated with an upward trend, while DOP prices have stabilized with fluctuations, with upward momentum still present and downward pressure reduced.

On January 12, the DOP market in Jiangsu remained stable, with quotations at 7,400 yuan/ton. In Shandong, the DOP market also remained stable, with quotations at 7,200 yuan/ton. In Zhejiang, the DOP market was stable, with quotations at 7,500 yuan/ton.

On January 12, the price of phthalic anhydride, a raw material for DOP, fluctuated with an upward trend, while isooctanol prices stabilized with fluctuations. The cost of DOP raw materials increased, and DOP production capacity decreased. Downstream market conditions were average, with demand primarily driven by necessity. Downstream customers' purchasing willingness was moderate, and transaction prices were determined through negotiation. DOP quotations ranged from 7,200 to 7,500 yuan/ton, remaining stable. Actual transaction prices stabilized, with bullish factors still present and bearish factors weakening. The DOP market is experiencing fluctuating consolidation.

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