Chempricehub News: The Butanol-Phthalic Anhydride-Plasticizer Market Seminar is scheduled for September 10–11, 2026, in Guangzhou, Guangdong. Friends old and new are welcome to join us in Guangzhou to discuss new developments in the industry. Conference hotline: 0533-7026069, Qi Ying.
Introduction: Upstream octanol and PTA spot supplies are tight with rising prices, providing strong cost-side support. In addition, the stalemate in U.S.-Iran geopolitical tensions has pushed crude oil higher, igniting bullish market sentiment, and DOTP prices have continued to climb through the week. Mainstream ex-warehouse prices in the Zhejiang region rose to 9,550 RMB/mt, a weekly increase of 7%, hitting a stage high since early May.
I. Raw material octanol: tight supply and rising prices
Since July, the domestic octanol industry has been mired in losses, severely curbing producers' willingness to operate. The overall industry operating rate has continued to decline, and market supply has kept contracting. In early August, the octanol industry operating rate once fell to 62%, with industry inventories steadily drawing down. In mid-to-late August, operating rates recovered slightly to around 70%, but the market supply-demand pattern did not loosen.
During the same period, downstream product units saw a concentrated recovery in operating rates, with demand-side recovery far outpacing supply. According to Chempricehub News statistics, this week the average DOP operating rate reached 52%, up 4 percentage points week-on-week; the average DOTP operating rate was 66%, up sharply by 7 percentage points; and the average 2-ethylhexyl acrylate operating rate was 65%, up 2 percentage points. Steady release of downstream end-user demand has driven a significant increase in octanol consumption, creating a supply-shortfall market pattern that strongly supports higher octanol prices.
Taking the Shandong market as an example, as of Friday this week, the mainstream octanol price was referenced at 8,650 RMB/mt, up 550 RMB/mt from last Friday, an increase of nearly 7%. The current tight spot supply and sustained price increases for octanol provide solid cost support to the DOTP market, driving the downstream plasticizer market to strengthen steadily.
II. Raw material PTA: strong performance
Another core raw material for DOTP, PTA, also moved higher this week, providing multiple layers of cost support to the DOTP market. This week, geopolitical tensions in the Middle East remained intense, and international crude oil prices stayed strong, consolidating the overall cost base for chemicals and underpinning firm PTA cost support. Combined with a tight supply-demand balance and continuously tightening spot liquidity, PTA spot prices and basis in East China strengthened in tandem.
During the week, although several PTA units announced restart plans, briefly suppressing high prices and causing a small pullback, the subsequent restart progress fell short of market expectations. Doubts over the actual arrival of new supply further tightened spot circulation. As of Friday this week, domestic PTA spot prices moved significantly higher, closing near 6,495 RMB/mt, up over 8% from last Friday.
III. Cost pressures plus sentiment drive strong DOTP price gains
The sharp rise in PTA prices, combined with tight octanol supply and higher prices, meant both core raw materials rose simultaneously, placing notable cost pressure on DOTP producers. According to Chempricehub News data, the average weekly theoretical profit for sampled DOTP enterprises in the Zhejiang region was -17 RMB/mt, putting the industry in a loss-making state. Sustained cost pressure has prompted market players to broadly raise offer prices.
At the same time, overseas geopolitical tensions continued to develop, and international crude oil prices remained at high levels, effectively boosting bullish sentiment across the chemical industry. In the early stage of the price rally at the start of the week, downstream manufacturers and traders generally held low raw material inventories. Influenced by expectations of further price increases, buyers actively restocked and covered short positions, driving a phase of increased market transaction volume. Combined with tight spot supply at DOTP plants and widespread expectations that costs would continue rising, producers followed the trend by raising ex-plant prices, proactively locking in profits and repairing margins during the upward phase. Overall, driven by both hard cost support and bullish market sentiment, domestic DOTP prices continued to strengthen and rise.
IV. Market outlook
On the cost side, spot supply of the core raw material octanol remains tight, and prices are expected to stay firm. The other raw material, PTA, has a tight near-term supply-demand balance, but as prices keep climbing, downstream resistance is building. With a lack of sustained positive support, the upside for PTA spot prices is limited. DOTP pricing is dominated by cost-side positives but also faces some bearish drag.
On the supply-demand side, end-user demand is broadly stable, with buying largely limited to stage-by-stage essential procurement. Some DOTP plants still see queuing for deliveries, and tight spot availability provides certain support to prices. However, the demand-side pull is limited, and downstream buyers are becoming more cautious toward high-priced supplies.
Overall, the DOTP market currently sees limited supply-demand positives, but cost-side support remains intact. Under raw material cost pressure, market players have a strong near-term willingness to hold prices firm, and price expectations remain supported. Yet limited demand may cap the upside. Going forward, close attention should be paid to developments in the strait geopolitical situation, with vigilance against sharp sentiment reversals in the crude oil market triggering price volatility.
Chempricehub News: The Butanol-Phthalic Anhydride-Plasticizer Market Seminar is scheduled for September 10–11, 2026, in Guangzhou, Guangdong. Friends old and new are welcome to join us in Guangzhou to discuss new developments in the industry. Conference hotline: 0533-7026069, Qi Ying.
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