On October 29, 2026, the gross profit margin for DOP sample production dropped to CNY 1 per ton. On that day, the reference price of the key raw material, n-octanol, was CNY 9,900 per ton; phthalic anhydride produced via the ortho-xylene process was priced at CNY 10,400 per ton, while phthalic anhydride produced via the naphthalene process stood at CNY 10,100 per ton. The weekly average profit was CNY 43 per ton, a week-on-week decrease of CNY 131 per ton. During the week, prices for both n-octanol and phthalic anhydride trended upward. Although DOP prices also rose, high input costs continued to squeeze profitability, leading to a narrowing of margins in the DOP market.
Sample Methodology:
The DOP profit is calculated as the difference between the DOP market price and its production cost, assuming a processing fee of CNY 300 per ton.
Data Notes:
Chempricehub’s DOP profit metric refers to the theoretical gross margin for DOP in Shandong Province. It is based on daily data collected every Thursday during working days, with publication scheduled between 14:00 and 16:00 each Thursday.
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