Sulfuryl Fluoride (SO₂F₂) — Fumigation Gas Demand Rises as Global Grain Storage and Quarantine Standards Tighten

THe globalsulfuryl fluoride (SO₂F₂)market is experiencing steady growth in 2026, driven by increasingly stringent international standards for grain storage, timber treatment, and pre‑shipment quarantine. As a broad‑spectrum fumigant that is NOn‑flammable, highly penetrative, and leaves no residue,SO₂F₂ continues to gain market share over methyl bromide, which is being phased out under the Montreal Protocol.

Regulatory drivers: New quarantine regulations in the European Union and the United States, effective early 2026, have raised the bar for pest eradication in imported timber and agricultural commodities. Sulfuryl fluoride meets these requirements while offering shorter aeration times and greater material compatibility. In China, the National Food and Strategic Reserves Administration has updated grain storage fumigation guidelines, encouraging the use of SO₂F₂ in large‑scale silos.

Price and supply: Current market prices for 99.9% pure sulfuryl fluoride range from 25,000 to 30,000 RMB per ton, with stable supply from major manufacturers in China, the United States, and Japan. However, raw material costs for sulfuryl fluoride production (sulfur trioxide and hydrogen fluoride) have risen modestly due to energy inflation, exerting mild upward pressure on prices.

Long‑tail keywords in focus: Users searching for “sulfuryl fluoride for grain storage,” “fumigation gas for timber pest control,” “structural fumigation SO₂F₂,” and “quarantine gas treatment” will find this market update relevant.

Outlook: Demand is expected to grow at 4–5% annually through 2028, supported by the expansion of international grain trade and the ongoing replacement of ozone‑depleting fumigants. Manufacturers are advised to secure long‑term supply of hydrogen fluoride and monitor regulatory changes in key importing regions.