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SunSirs: Production Increased, and Phthalic Anhydride Prices Fluctuated and Fell
July 21 2025 14:20:59SunSirs(John)

Last week, the phthalic anhydride market fluctuated and fell 

According to the Commodity Market Analysis System of SunSirs, as of July 18th, the price of OX method phthalic anhydride was 6,766.67 RMB/ton, a fluctuating decrease of 0.49% compared to the price of phthalic anhydride on July 11th, which was 6,800 RMB/ton. Last week, the price of OX stabilized, the price of industrial naphthalene fluctuated and stabilized, and the cost support of phthalic anhydride still existed. The maintenance of phthalic anhydride equipment decreased last week, and the operating rate of phthalic anhydride enterprises had increased. The supply of phthalic anhydride was sufficient, and the downstream plasticizer market had fluctuated and rebounded. The operating load of equipment in plasticizer enterprises decreased, and the demand support for phthalic anhydride had weakened. Due to sufficient supply and decreasing demand, the price of phthalic anhydride fluctuated and fell this week.

The cost support of phthalic anhydride still existed, and the supply was decreasing

Sinopec's quotation for OX was 7,000 RMB/ton. The price of industrial naphthalene was fluctuating and stabilizing, while the cost support of phthalic anhydride still existed. This week, the maintenance of phthalic anhydride equipment decreased, and the operating rate of enterprises increased to 6.5%. The supply of phthalic anhydride was sufficient. The supply was sufficient, and the support for the rise in phthalic anhydride prices this week had weakened.

Demand side: DOP prices first fell and then rose

According to the Commodity Market Analysis System of SunSirs, as of July 18th, the DOP price was 8,109.16 RMB/ton, a decrease of 0.82% compared to the DOP price of 8,175.84 RMB/ton on July 11th; Compared to the DOP price of 8,017.50 RMB/ton on July 15th, it had increased by 1.14%. Last week, the resumption of DOP production was slow, and the operating rate of the plasticizer DOP industry had increased to 46%. The production of plasticizers had increased, and the price of plasticizers had first fallen and then risen. The production of plasticizers had increased, the demand for phthalic anhydride had grown, and the support of rising phthalic anhydride prices still existed.

Future outlook:

According to the phthalic anhydride products data analyst of SunSirs, in terms of demand, plasticizer companies increased their production and output, leading to an increase in demand for phthalic anhydride; In terms of supply, phthalic anhydride enterprises had extensive experience in equipment maintenance and sufficient supply of phthalic anhydride. In the future, with sufficient supply and increasing demand, it is expected that the price of phthalic anhydride will be weakly consolidated at a low level.

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

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