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SunSirs: With Rising Costs and Increased Production, the Price of Isooctanol Fluctuated Upwards in November
December 11 2025 14:39:41SunSirs(John)

In November, the price of isooctanol fluctuated and rose

According to SunSirs' commodity price analysis system, as of November 30th, the price of isooctanol was 6,566.67 RMB/ton, a fluctuating increase compared to the price of 5,950 RMB/ton on November 1st, representing a 10.36% increase. Some companies had resumed production after equipment maintenance, leading to an increase in the operating rate of isooctanol plants to 80%, resulting in increased supply. The fluctuating increase in propylene prices had also led to higher production costs for isooctanol. The combination of increased supply and rising costs in November provided strong support for the price increase of isooctanol, resulting in a fluctuating upward trend in its price.

The cost of the raw material propylene increased

According to SunSirs Commodity Price Analysis System, as of November 30th, the price of propylene was 6,180.75 RMB/ton, an increase of 2.02% compared to the price of 6,058.25 RMB/ton on November 1st, reversing the previous downward trend; and an increase of 4.92% compared to the price of 5,890.75 RMB/ton on November 7th. The rebound in propylene prices in November, coupled with rising raw material prices, led to increased costs for isooctanol, providing greater support for higher isooctanol prices.

The price of downstream plasticizer DOP initially fell but then rose

According to SunSirs' commodity price analysis system, as of November 30th, the price of DOP was 7,009.16 RMB/ton, showing a fluctuating trend compared to the price of 7,009.16 RMB/ton on November 1st. Compared to the price of 6,950.83 RMB/ton on November 17th, the price increased by 2.31%. The increase in DOP costs and the resulting price increase led to a slight increase in the operating rate of DOP manufacturers in November, reaching 70%. This increased DOP production, boosting demand for isooctanol and further supporting the rise in isooctanol prices.

Market outlook

According to SunSirs' data analyst for isooctanol products, in terms of costs, the price of propylene was fluctuating upwards, and the increase in raw material prices was boosting the upward momentum of isooctanol prices. In terms of supply, the operating rate of isooctanol enterprises had increased to 80%, leading to an increase in isooctanol supply. In terms of demand, the operating rate of DOP (dioctyl phthalate) enterprises had slightly increased, resulting in increased DOP production, and the demand for isooctanol remained supported. Looking ahead, the rising cost of isooctanol, coupled with increased supply and recovering demand, weakens the downward pressure on isooctanol prices and strengthens the upward support. Therefore, the price of isooctanol is expected to fluctuate and stabilize 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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