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SunSirs: Market Overview of Phthalic Anhydride in Some Regions of China on January 14th
January 15 2026 11:33:38SunSirs(John)

On January 14th, the benchmark price of phthalic anhydride according to SunSirs was 6,283.33 RMB/ton, an increase of 5.31% compared to the beginning of the month (5,966.67 RMB/ton).

On January 14th, the East China phthalic anhydride market showed a strong and stable trend. The mainstream price for OX method phthalic anhydride was 6,100-6,350 RMB/ton, while the price for naphthalene-based phthalic anhydride was 5,700-6,050 RMB/ton. Industrial naphthalene prices fluctuated but remained stable, while OX prices fluctuated upwards, leading to increased phthalic anhydride production costs. The downstream plasticizer market remained strong and stable, but plasticizer manufacturers reduced their operating rates. Downstream buyers purchased only for immediate needs, and phthalic anhydride was mainly purchased on demand. Demand for phthalic anhydride remained supported, although phthalic anhydride manufacturers slightly reduced their operating rates. Supply of phthalic anhydride was sufficient, and inventory levels were low. The market is expected to maintain a strong and stable trend in the future.

On January 14th, the phthalic anhydride market in Shandong province showed strong and stable trends.  The mainstream price for OX method phthalic anhydride was negotiated at 6,100-6,350 RMB/ton, while the mainstream price for naphthalene-based phthalic anhydride was 5,700-6,050 RMB/ton. The price of the raw material OX fluctuated upwards, while the price of industrial naphthalene remained stable. This led to increased production costs for phthalic anhydride. The downstream plasticizer market also showed strong and stable trends. However, phthalic anhydride manufacturers reduced their operating rates, resulting in sufficient supply in the market. Although plasticizer manufacturers also reduced their operating rates, there was still underlying demand for phthalic anhydride. The market is expected to maintain a strong and stable trend in the future.

On January 14th, the phthalic anhydride market prices in the Jiangsu region remained strong and stable. Prices for OX method phthalic anhydride were mainly negotiated between 6,100-6,350 RMB/ton, while naphthalene-based phthalic anhydride was mainly negotiated between 5,700-6,050 RMB/ton.  Phthalic anhydride manufacturers reduced their operating rates, leading to a decrease in overall production. However, the domestic phthalic anhydride market had sufficient spot supply.  The price of the raw material OX fluctuated upwards, while industrial naphthalene prices remained strong and stable. The rising cost of raw materials provided increased support for phthalic anhydride prices. The downstream plasticizer market remained strong and stable, although plasticizer manufacturers reduced their operating rates. Demand from downstream industries remained stable due to essential needs. The phthalic anhydride market is expected to remain strong and stable in the future.

If you have any inquiries or purchasing needs, please feel free to contact SunSirs with support@sunsirs.com.

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