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SunSirs: Supply Increased, and DOP Prices Fluctuated and Fell

July 22 2025 14:17:55     SunSirs (John)

Last week, the price of plasticizer DOP fluctuated and fell 

According to the Commodity Market Analysis System of SunSirs, as of July 21st, the DOP price was 8,059.16 RMB/ton, a fluctuating decrease of 1.43% compared to the DOP price of 8,175.84 RMB/ton on July 11th. Last week, DOP production increased, and the operating rate of the plasticizer DOP industryrecovered to 50%. Plasticizer production increased, and plasticizer prices had fluctuated and fallen. The price of raw material isooctanol fluctuated and consolidated, while the price of phthalic anhydride fell weakly. The cost support for plasticizers weakened, and the supply increased, resulting in a decrease in costs. The price of plasticizers fluctuated and fell.

Last week, the price of raw material isooctanol fluctuated and fell

According to the Commodity Market Analysis System of SunSirs, as of July 21, the price of isooctanol was 7,650 RMB/ton, which first fell and then increased compared to the price of 7,600 RMB/ton on July 11, with a growth rate of 0.66%. Last week, the price of isooctanol fluctuated and consolidated. The equipment of isooctanol enterprises resumed last week, the operating rate of isooctanol equipment increased, the production of isooctanol increased, and the supply of isooctanol increased; As supply increased and demand rebounded, the price of isooctanol fluctuated and fell.

Last week, the price of raw material phthalic anhydride fell weakly

According to the Commodity Market Analysis System of SunSirs, as of July 21, the price of OX method phthalic anhydride was 6,733.33 RMB/ton, which fluctuated and fell by 0.98% compared to the price of phthalic anhydride at 6,800 RMB/ton on July 11. This week, the price of OX fell, industrial naphthalene prices fluctuated and consolidated, and the cost support for phthalic anhydride weakened. Last week, phthalic anhydride equipment maintenance resumed, and the operating rate of phthalic anhydride enterprises increased. The supply of phthalic anhydride increased, and the downstream plasticizer market fluctuated and fell. The equipment operating load of plasticizer enterprises increased, and the demand support for phthalic anhydride still existed. Supply decreased and demand recovered, resulting in a weak decline in phthalic anhydride prices.

Future outlook:

According to the plasticizer products data analyst of SunSirs, in terms of cost, the price of isooctanol had fluctuated and fallen, the price of phthalic anhydride had weakened and fallen, and the cost support of plasticizer DOP had weakened; In terms of supply, plasticizer enterprises had increased their production, resulting in an increase in plasticizer output and supply. Overall, supply increased and costs decreased, it is expected that the price of plasticizer DOP will fluctuate and fall in the future.

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