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Home > 2-EH News > News Detail
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SunSirs: Operating Rates Declined, and Isooctanol Prices Fluctuated and Fell Last Week
November 17 2025 14:54:47SunSirs(John)

Isooctanol prices fluctuated and fell last week

According to the SunSirs commodity market analysis system, as of November 14th, the price of isooctanol was 6,000 RMB/ton, a slight decrease of 0.55% compared to the price of 6,033.33 RMB/ton on November 7th. Some companies underwent maintenance of their isooctanol equipment, leading to a slight decrease in the operating rate of isooctanol plants, with the operating rate below 70%, resulting in a decrease in isooctanol supply. Propylene prices fluctuated and stabilized, leading to a stabilization in isooctanol costs. Last week, the decrease in isooctanol supply, while supporting price increases, increased downward pressure, resulting in a fluctuating decline in isooctanol prices.

The cost of raw material propylene decreased

According to the SunSirs commodity market analysis system, as of November 14th, the price of propylene was 5,960.75 RMB/ton, a decrease of 1.61% compared to the price of 6,058.25 RMB/ton on November 1st; and an increase of 1.19% compared to the price of 5,890.75 RMB/ton on November 7th. Last week, propylene prices fluctuated upwards, driven by rising raw material prices and increased isooctanol costs, which eased the downward pressure on isooctanol prices.

Downstream plasticizer DOP prices fluctuated downwards

According to the commodity market analysis system of SunSirs, as of November 14, the price of DOP was 6,883.34 RMB/ton, a slight decrease of 0.24% compared to the price of 7,025.83 RMB/ton on November 7. Last week, the operating rate of DOP plasticizer enterprises increased slightly to 65%, leading to increased DOP production. Demand for isooctanol remained supportive, further supporting the price increase of isooctanol.

Market outlook

According to analysts at SunSirs, isooctanol prices had rebounded after a period of decline, and raw material prices rose slightly, easing downward pressure on isooctanol. On the supply side, isooctanol plant operating rates had decreased, leading to a reduction in isooctanol supply. On the demand side, DOP plant operating rates rose slightly, increasing DOP production and providing continued support for isooctanol demand. Looking ahead, with isooctanol costs stabilizing and supply decreasing while demand increases, downward pressure on isooctanol is expected to weaken, while upward support remains. The price of isooctanol is expected to fluctuate and stabilize in the near future.

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

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