As of September 17, 2026, according to Chempricehub data calculations, the weekly average profit for phthalic anhydride (PA) produced via the ortho-xylene process was RMB 352/ton, a decrease of RMB 90/ton from the previous period's average. The average profit for PA produced via the naphthalene process was RMB 85/ton, down by RMB 185/ton from the previous period's average.
Unit: RMB/ton
| Product | Previous Period | Current Period | Change |
|---|---|---|---|
| Ortho-Xylene Process PA | 442 | 352 | -90 |
| Naphthalene Process PA | 270 | 85 | -185 |
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 ortho-xylene process phthalic anhydride in the Jiangsu region. Data is collected on Thursdays during working days and published between 17:00 and 18:00 on those Thursdays.
Chempricehub reports on the theoretical gross margin for naphthalene process phthalic anhydride in the Hebei region. Data is collected on Thursdays during working days and published between 17:00 and 18:00 on those Thursdays.
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