As of October 29, 2026, according to Chempricehub data calculations, the weekly average profit for phthalic anhydride produced via the ortho-xylene process was RMB 386/ton, an increase of RMB 46/ton compared to the previous period's average. The average profit for phthalic anhydride produced via the naphthalene process was RMB 868/ton, an increase of RMB 336/ton compared to the previous period's average.
Unit: RMB/ton
| Product | Current Period | Previous Period | Change |
|---|---|---|---|
| Phthalic Anhydride (Ortho-Xylene Process) | 386 | 340 | 46 |
| Phthalic Anhydride (Naphthalene Process) | 868 | 532 | 336 |
Data Source: Chempricehub
Sample Description: Phthalic anhydride profit is calculated as the difference between the market price of phthalic anhydride and its production cost.
Chempricehub reports on the theoretical gross margin for phthalic anhydride produced via the ortho-xylene process in the Jiangsu region. Data is collected on Thursdays during working days and released between 17:00 and 18:00 on each Thursday.
Chempricehub reports on the theoretical gross margin for phthalic anhydride produced via the naphthalene process in the Hebei region. Data is collected on Thursdays during working days and released between 17:00 and 18:00 on each Thursday.
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