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SunSirs: Phthalic Anhydride Market Trends in Some Regions of China on September 4
September 05 2025 11:02:37SunSirs(John)

On September 4, the benchmark price of phthalic anhydride on SunSirs was 6283.33 RMB/ton.

On September 4th, the phthalic anhydride market in East China saw fluctuating and consolidating prices. The mainstream quotes for OX-based phthalic anhydride were 6,100-6,300 RMB/ton, while those for naphthalene-based phthalic anhydride were 6,000-6,200 RMB/ton. Industrial naphthalene prices and OX prices fluctuated and then stabilized, maintaining cost support for phthalic anhydride. Downstream plasticizer prices saw a volatile decline, but plasticizer manufacturers maintained stable equipment operating rates. This provided support for downstream procurement, with phthalic anhydride primarily purchased on-demand. Phthalic anhydride demand remained stable, phthalic anhydride manufacturers maintained stable equipment operating rates, ample supply, and low inventories. Phthalic anhydride prices are expected to fluctuate and consolidate in the future.

On September 4th, the phthalic anhydride market in Shandong Province fluctuated and then stabilized. The mainstream supply price for OX-based phthalic anhydride was 6,100-6,300 RMB/ton, and the mainstream supply price for naphthalene-based phthalic anhydride was 6,000-6,200 RMB/ton. Prices of raw materials such as OX and industrial naphthalene fluctuated and then stabilized, supporting the cost of phthalic anhydride. However, downstream plasticizer prices fluctuated and declined. Phthalic anhydride manufacturers maintained stable equipment operation and the operating rate of phthalic anhydride enterprises remained stable. Overall, the phthalic anhydride market was adequate, plasticizer enterprises maintained stable load, and demand for phthalic anhydride remained stable. Phthalic anhydride prices are expected to fluctuate and consolidate in the future.

On September 4th, phthalic anhydride market prices in Jiangsu Province stabilized, with the mainstream negotiated prices for OX-based products ranging from 6,100 to 6,300 RMB/ton and for naphthalene-based products ranging from 6,000 to 6,200 RMB/ton. Phthalic anhydride manufacturers maintained stable equipment operations, with operating rates temporarily stable. Domestic spot supplies of phthalic anhydride were ample, while prices for raw materials such as OX and industrial naphthalene fluctuated and then stabilized. Phthalic anhydride cost support remained, while downstream plasticizer prices fluctuated and declined. Plasticizer plant operations increased, supporting demand for phthalic anhydride and continued downstream demand. The phthalic anhydride market is expected to see a period of volatile consolidation.

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