Prompt

1. Daily Summary

① Sinopec has increased the price of o-xylene by 200 yuan/ton to 10,450 yuan/ton.
② Today, the domestic phthalic anhydride capacity utilization rate remained at 55%.

2. Spot Market Overview

Table 1: Domestic Phthalic Anhydride Price Summary (Unit: Yuan/Ton)

Using the Jiangsu region as a benchmark, today's closing price for Jiangsu O-Xylene process phthalic anhydride was 10,750 yuan/ton, an increase of 50 yuan/ton compared to the previous trading day, consistent with morning expectations. Domestic phthalic anhydride market prices rose today, driven primarily by cost-side support from the upstream raw material, o-xylene. The rise in o-xylene prices increased production costs for the O-Xylene process sector, pushing up the market price center. However, transactions at higher price levels were cautious.

Figure 1: 2026 Domestic Phthalic Anhydride Price Trend Chart (Yuan/Ton)
Figure 2: 2025-2026 Domestic Phthalic Anhydride Regional Price Trend Charts (Yuan/Ton)
Data Source: Chempricehub Information

3. Production Dynamics

Today, the domestic phthalic anhydride capacity utilization rate stabilized at 55%, with plant operations remaining steady. Regarding profitability, rising o-xylene prices and increased East China O-Xylene process phthalic anhydride market prices resulted in a theoretical profit of 444 yuan/ton for the O-Xylene process sector. In Hebei, Naphthalene process phthalic anhydride prices rose while industrial naphthalene feedstock prices remained stable, yielding a theoretical profit of 818 yuan/ton for the Naphthalene process sector.

Figure 3: 2025-2026 Domestic Phthalic Anhydride Capacity Utilization Rate Trend Chart
Figure 4: 2025-2026 Domestic Phthalic Anhydride Profit vs. Price Comparison Chart (Yuan/Ton)
Data Source: Chempricehub Information

4. Price Forecast

Currently, strong cost-side support from the upstream aromatics industry chain, combined with tight supply in the domestic O-Xylene process sector and oversold inventory positions in the Naphthalene process sector, have strengthened sellers' willingness to hold prices high. These factors remain the primary supports for the market. However, limited demand follow-through is constraining transaction volumes at higher price levels. In the short term, O-Xylene process phthalic anhydride prices are expected to stabilize, while the Naphthalene process market center may still see upward momentum.

5. Related Products Status

O-Xylene Market: Prices in the East China region rose, with self-pickup references around 10,450 yuan/ton. Plant maintenance activities have exacerbated tight supply conditions. Major petrochemical plants raised their posted prices, driving the overall market center higher.

DOP Market: Today, rising prices for raw materials 2-EH (2-ethylhexanol) and phthalic anhydride pushed DOP prices up due to cost increases. However, transmission of these high prices faced resistance. Downstream users exhibited a wait-and-see attitude on purchasing; having secured sufficient supplies through earlier purchases last week, current market trading activity remained moderate.

6. Data Calendar

Table 2: Domestic Phthalic Anhydride Data Overview (Unit: 10,000 Tons)