Acetic Acid Price in China Rises 5.5% to USD 723.39/tonne
Acetic acid in China climbed to USD 723.39/tonne, a 52-week high, as supply disruptions and higher feedstock costs accumulated.
Acetic acid prices in China rose 5.5% week on week to USD 723.39/tonne as of 2026-10-02, up from USD 685.71/tonne on 2026-09-25. The month change stands at 40.9% from USD 513.28/tonne on 2026-09-02, the quarter change at 58.1% from USD 457.62/tonne on 2026-07-03, and the year change at 95.1% from USD 370.81/tonne on 2025-10-02. The latest price matches the 52-week high set on 2026-09-30, while the 52-week low of USD 335.34/tonne was recorded on 2025-11-05.
Claight market monitoring shows that maintenance shutdowns at major facilities including Tianjin Soda Plant, Shanghai Huayi, and Hualu Hengsheng tightened spot supplies in September. By October 1, 2026, ChemAnalyst reported shutdowns or failures at units operated by Jiangsu Sopo, Yangzi Petrochemical INEOS, and Xinjiang Zhonghe Hezhong.
On the cost side, Claight market monitoring shows methanol feedstock prices rose by 17.81% during August 2026, increasing production costs for acetic acid manufacturers. Celanese announced global price increases for acetic acid and related acetyl products on September 21, 2026, according to ChemNet.