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Phthalic anhydride

CAS: 85-44-9

manifests as a colorless to pale yellow liquid, slightly soluble in water. It acts as a basic compound, capable of reacting with acids and is widely utilized in organic synthesis reactions. However, it photosensitive material, requires light-protected storage, therefore store in sealed containers in cool, dry places.

Chempricehub Alert: Low Operating Rate of Phthalic Anhydride in Changzhou Xinyang Leads to Price Increase

📅 on Mar 12, 2026

On March 12, Changzhou Xinyang's phthalic anhydride plant, with a 100,000-ton capacity, operated below 50%, with low inventory. The price rose by 50 yuan/ton to 7,900 yuan/ton, reflecting tight supply...

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Chempricehub Alert: Phthalic Anhydride Quotation in Changzhou Xinyang Drops

📅 on Mar 11, 2026

On March 11, Changzhou Xinyang's phthalic anhydride plant, with a capacity of 100,000 tons, operated at less than 50% capacity and had low inventory. Despite reduced supply, quoted and actual transact...

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Chempricehub Important Reminder: Tongling Phthalic Anhydride Price Plummets by 3200 Yuan

📅 on Mar 11, 2026

On March 11, Tongling Chemical's 8,000-ton phthalic anhydride plant reported a price drop of 3,200 yuan/ton to 7,800 yuan/ton for ortho-xylene-based units, with actual transaction prices also declinin...

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Chempricehub Alert: Zhenjiang Liancheng Phthalic Anhydride Quotation Stable, Transaction Price Declines

📅 on Mar 11, 2026

On March 11, Zhenjiang Liancheng Chemical's phthalic anhydride plant operated normally with a quoted price of 8,000 yuan/ton, but actual transaction prices declined. This indicates ample supply and we...

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On March 10th, the market trend of phthalic anhydride in East China showed an upward movement.

📅 on Mar 10, 2026

On March 10, the price of phthalic anhydride in East China rose, with ortho-xylene method quotes at 11,000-11,500 yuan/ton and naphthalene method at 10,800-11,000 yuan/ton. Factors driving the increas...

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Chempricehub Important Reminder: Tongling Phthalic Anhydride Quotation Soars

📅 on Mar 10, 2026

On March 10, Tongling Chemical Industry Group reported normal operation of its 80,000-ton phthalic anhydride (PA) plant using the ortho-xylene process, while the naphthalene-based PA unit is under mai...

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Chempricehub Important Reminder: Anticipated Price Increase for Phthalic Anhydride in East China

📅 on Mar 10, 2026

On March 9, the price of phthalic anhydride in East China rose. Orthoxylene-based PA was quoted at 8,000-8,500 yuan/ton, while naphthalene-based PA was at 7,800-8,000 yuan/ton. Factors driving the inc...

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Chempricehub Important Notice: Severe Supply Shortage and Sharp Price Increase for Phthalic Anhydride in Changzhou Xinyang

📅 on Mar 10, 2026

On March 10, Changzhou Xinyang's 100,000-ton phthalic anhydride plant operated below 50% capacity with low inventory. Prices surged, with some reaching 11,000 yuan/ton, indicating tight supply and str...

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On March 10, the phthalic anhydride market in Jiangsu region showed an upward trend.

📅 on Mar 10, 2026

On March 10, phthalic anhydride prices in Jiangsu rose, with ortho-xylene-based material at 11,000-11,500 yuan/ton and naphthalene-based at 10,800-11,000 yuan/ton. Production rates increased, keeping ...

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On March 9, the phthalic anhydride market in Shandong region showed an upward trend.

📅 on Mar 09, 2026

On March 9, the phthalic anhydride market in Shandong saw a strong upward trend. Prices for ortho-xylene-based products were mainly negotiated at 8,000–8,200 yuan/ton, while naphthalene-based product...

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