Ammonium Thiosulfate Market Expands at 5.74% CAGR on Rising Fertiliser Demand

Key Highlights

• The Ammonium Thiosulfate market was valued at USD 431.65 million in 2025 and is forecast to reach USD 637.98 million by 2034 at a 5.74% CAGR, supporting measured capacity and distribution investment.
• Solid ATS holds more than 68% share and is forecast to expand at the highest CAGR of 6.3%, reinforcing its importance across agriculture, mining and industrial wastewater treatment.
• Fertilisers lead applications with a 37% revenue share, concentrating commercial opportunity around crop nutrition.
• North America accounted for 53.72% of consumption in 2025, making regional capacity and distribution access commercially decisive.
• MMR links ATS use with crop-yield improvements of 9–11%, strengthening its value proposition where growers need more output from existing acreage.

Why This Matters Now

Ammonium thiosulfate is moving closer to the centre of fertiliser-efficiency strategies. It supplies nitrogen and sulfur, slows nitrification and can reduce nitrate losses to air and water. For growers, that creates a nutrient-efficiency argument; for manufacturers, it supports demand for products suited to precision application and sustainable farming.

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Demand also extends beyond agriculture. MMR identifies uses in gold and silver leaching, photographic fixing, industrial wastewater treatment, herbicide safening, bleaching and reducing applications. That gives producers several routes to volume growth.

Market Overview

The Ammonium Thiosulfate Market was valued at USD 431.65 million in 2025 and is expected to reach USD 637.98 million by 2034, growing at a 5.74% CAGR from 2026 to 2034. The growth profile points to sustained expansion linked to agricultural productivity and industrial applications.

ATS manufacturing uses ammonia, water and sulfur dioxide as raw materials. MMR does not publish pricing, import-export volumes or quantified feedstock-cost trends on the public page, so none are inferred.

Key Trends Driving Growth

High-efficiency fertilisers are the principal demand theme. MMR says ATS can improve crop productivity by 9–11%; that benefit gives growers and fertiliser formulators a measurable reason to adopt sulfur-containing nutrient programmes.

Precision agriculture reinforces demand. Liquid ATS is compatible with targeted nutrient application, fertigation and foliar sprays. Although solid ATS leads the type segment, liquid products are strategically relevant for suppliers serving data-led farming systems.

Segment Insights

• Dominant & Fastest-Growing Solid ATS: More than 68% share and the highest projected CAGR of 6.3%. Agriculture, mining and industrial wastewater treatment support its broad demand base.
• Dominant Application  Fertilisers: A 37% revenue share makes agriculture the largest outlet, keeping grain and cash-crop demand central to supplier strategies.
• Liquid ATS: Ease of application, solubility and compatibility with fertigation and foliar systems create an opportunity tied to precision farming.

Regional Growth Story

North America was the largest ATS consumer in 2025, accounting for 53.72% of global consumption. Major producers and a large agricultural sector make it the clearest near-term location for capacity and distribution investment.

Europe remains commercially relevant, with the UK and Germany included in MMR’s coverage. In France, Tessenderlo Kerley marked the first anniversary of French homologation for Thio-Sul as a dual nitrogen loss inhibitor in January 2026. The milestone shows how approval and nutrient-efficiency positioning can strengthen European market access.

Competitive Landscape

MMR identifies Tessenderlo Kerley, Koch Fertilizer, Nutrien and TIB Chemicals among leading companies. Other named participants include Kugler Company, Martin Midstream Partners, Bunge, Yara International, SKW Stickstoffwerke Piesteritz, Esseco, Sumitomo Chemical, Showa Denko, Chinese producers and Shakti Chemicals.

Koch Fertilizer’s acquisition of OCI Global’s Wever, Iowa plant brought an estimated 1.2 million tons of nitrogen-fertiliser capacity into its network, signalling deeper vertical integration. TIB Chemicals’ January 2025 acquisition of REAXIS expanded its North American speciality-chemicals position and market access.

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Recent Developments

• 21 August 2025  Tessenderlo Kerley opened a new liquid-fertiliser facility in Defiance, Ohio, strengthening North American supply and distribution of concentrated liquid sulfur fertilisers.
• 2 September 2025 Agricen launched EXTRACT XC, combining microbial-derived biochemistry with ammonium thiosulfate. The launch shifts competition towards nutrient-release and uptake efficiency.
• 15 January 2026 Tessenderlo Kerley marked one year of French homologation for Thio-Sul as a dual nitrogen loss inhibitor, supporting European access and sustainability positioning.
• 15 May 2026 Westling & Co. reported progress on a Nebraska plant designed for 140,000 tons of ammonium thiosulfate annually, adding prospective supply for US Midwest precision farming.

Strategic Implications

Manufacturers face a two-track market. Solid ATS retains scale and the fastest reported type growth, while liquid ATS gains relevance in precision application. Producers serving both formats can address established industrial demand and higher-efficiency agriculture.

For UK and European buyers, regulation and product approval matter alongside availability. For North American suppliers, new capacity can improve access but intensify competition. Procurement teams should assess supply security, formulation performance, storage requirements and distribution reach together.

Future Outlook

The move from USD 431.65 million in 2025 to USD 637.98 million by 2034 reflects a practical requirement: agriculture needs greater nutrient efficiency while industrial users continue to require sulfur-based chemistry. The 5.74% CAGR gives manufacturers room for selective capacity additions.

Competitive advantage should favour producers combining feedstock access, compliant handling, application technology and local distribution. North America remains the largest consumption centre, while Europe and Asia Pacific offer expansion routes through efficiency-led agriculture.

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Analyst Perspective

“Ammonium thiosulfate is shifting from a conventional sulfur input towards a more strategic nutrient-efficiency product. Capacity additions, precision-application technology and regulatory approval will increasingly determine which suppliers gain market access as agricultural demand becomes more performance-driven,” said Ankita Kagawade, Analyst, Maximize Market Research.

About Maximize Market Research

Maximize Market Research Pvt. Ltd. (MMR) is a global market research and consulting company that provides reliable, data-focused, and practical business insights. The firm serves a wide range of industries, including healthcare, pharmaceuticals, technology, automotive, electronics, chemicals, personal care, and consumer goods. Through market forecasts, competitive analysis, strategic consulting, and industry impact assessments, MMR helps organizations understand changing market conditions, identify growth opportunities, and make informed business decisions for long-term success.

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