Phosphoric Acid Price in China Falls 1.2% to USD 1,188/tonne
Phosphoric acid prices in China declined 6.7% over the month to USD 1,188/tonne on 2026-09-30, leaving the market up 20.0% year on year.
Phosphoric acid prices in China stood at USD 1,188/tonne as of 2026-09-30, down 1.2% from USD 1,203/tonne a week earlier on 2026-09-23. The monthly move was 6.7%, down from USD 1,274/tonne on 2026-08-31, and the quarterly move was 21.7%, down from USD 1,517/tonne on 2026-07-02. On an annual basis the price is 20.0% higher than the USD 990.23/tonne recorded on 2025-09-30. The 52-week high is USD 1,717/tonne on 2026-06-16 and the 52-week low is USD 931.41/tonne on 2025-10-27.
Claight market monitoring shows domestic prices in China trended downward throughout August 2026, with 85% thermal-process prices falling 1.86% and 85% wet-process prices falling 4.90% amid sluggish demand and divergent raw material costs. Further Claight market monitoring shows prices continued to decline from September 1 to September 18, 2026, as softening raw material costs and limited downstream purchasing activity weakened market support.
Cost-side pressure had eased earlier in the quarter. Shanghai Metals Market reported on 2026-07-15 that a leading manufacturer cut its 85% thermal-process phosphoric acid ex-works price to 9,100 yuan/mt, citing a collapse in cost support from falling yellow phosphorus prices.
On the trade front, AgroSpectrum reported on 2026-09-29 that Brazil's Secretariat of Foreign Trade issued an affirmative preliminary anti-dumping determination regarding food-grade phosphoric acid imports from China on 2026-09-11, without imposing provisional duties.