On February 5th, the business-to-business price ratio index for isooctanol and DOP was 113.39, down 0.87 points from the previous day. It decreased by 23.23% compared to the cycle's highest point of 147.70 (recorded on February 7, 2022) and increased by 23.60% compared to the cycle's lowest point of 91.74 (recorded on November 3, 2015). (Note: The cycle refers to the period from January 1, 2012, to the present.) Isooctanol prices fluctuated and declined, while DOP prices also fluctuated and declined, with DOP facing persistent downward pressure and weakening upward momentum.

On February 5th, the business-to-business price ratio index for phthalic anhydride and DOP was 84.93, up 0.18 points from the previous day. It decreased by 24.93% compared to the cycle's highest point of 113.13 (recorded on October 16, 2022) and increased by 88.02% compared to the cycle's lowest point of 45.17 (recorded on July 27, 2021). (Note: The cycle refers to the period from January 1, 2012, to the present.) Phthalic anhydride prices fluctuated and declined, while DOP prices also fluctuated and declined, with DOP experiencing weakening upward momentum and persistent downward pressure.

On February 6th, the DOP market in the Jiangsu region showed a weak downward trend, with quotations at 7,800 yuan per ton. In the Shandong region, the DOP market also declined, with quotations at 7,650 yuan per ton. In the Zhejiang region, the DOP market exhibited a weak downward trend, with quotations at 7,900 yuan per ton.

On February 6th, the raw material phthalic anhydride for DOP showed a weak downward trend, while isooctanol prices also declined weakly. The cost of DOP raw materials experienced a weak decline, and DOP production capacity decreased. Downstream market conditions were average, with demand primarily driven by essential needs. Downstream customers showed moderate purchasing interest, and transaction prices were negotiated on a case-by-case basis. DOP quotations ranged from 7,650 to 7,900 yuan per ton, reflecting a weak downward trend. Actual transaction prices also declined weakly. The positive factors for DOP weakened, while negative factors intensified, leading to a weak downward trend in the DOP market.