Report Description Table of Contents What Is the Global Sodium Sulfite Market Size and How Is Industrial Demand Developing? – (Updated On: 30th-Oct-2026) According to Strategic Market Research, the Global Sodium Sulfite Market was valued at USD 604.5 million in 2025 and is projected to reach USD 850.0 million by 2032, expanding at a CAGR of 5.0% during 2026–2032. Sodium sulfite is widely used in pulp and paper manufacturing, industrial water treatment, textile processing, and selected mining operations. Its role in paper production and removing dissolved oxygen from industrial water systems supports ongoing demand, while applications in mineral processing provide additional opportunities for manufacturers. China plays a major role in supplying sodium sulphites to international markets. According to World Bank WITS, China exported approximately 395,209 metric tonnes in 2025, compared with 428,468 metric tonnes in 2024. The decline in shipments indicates a change in China's export activity, while its substantial trade volume reinforces its importance in the international supply of sodium sulphites. The United States, South Africa, and Brazil are important import markets. According to World Bank WITS, U.S. imports increased from approximately 57,338 metric tonnes in 2023 to 67,342 metric tonnes in 2024. South Africa imported 50,186 metric tonnes, while Brazil imported 42,006 metric tonnes in 2024. These figures show the scale of overseas shipments entering these markets and the continuing role of international trade in meeting industrial requirements. India is also expanding its sodium sulfite manufacturing capabilities. In February 2025, Shanti Inorganics started commercial production at its Bavla facility with an annual manufacturing capacity of 18,000 metric tonnes. This addition strengthens the company's production capabilities and creates opportunities to serve domestic industrial applications. Paper manufacturing remains an important source of sodium sulfite demand, with additional applications in mineral processing. A 2024 study published in Cellulose reported that sodium sulfite is used in neutral sulphite semichemical pulping, a process associated with paper production. Separately, research published in Minerals in October 2024 examined its use in copper ore flotation. These applications highlight the material's established role in paper manufacturing and its potential in specialized mineral-processing operations. Recent Developments in the Sodium Sulfite Market September 20, 2026: Hunan Yueyang Sanxiang Chemical presented its anhydrous sodium sulfite at the China International Chemical Industry Fair 2026 in Shanghai. The company highlighted sodium sulfite applications in textile processing, wastewater dechlorination, and food additives, strengthening international visibility for its industrial chemical products. (Source: Sanxiang Chemical – Official Announcement) May 12, 2026: BASF introduced NSF/ANSI/CAN 60-certified sodium sulfite grades for municipal and industrial water-treatment applications in North America. The development expanded the availability of certified sodium sulfite for water-treatment formulations and facilities requiring chemicals that meet recognized drinking-water treatment standards. (Source: BASF – Official Press Release) Key Report Takeaways By Grade Largest – Industrial/Technical Grade: Accounted for 85.0% of the market, valued at USD 513.83 million in 2025, with a projected CAGR of 4.80%, supported by sodium sulfite use in pulp processing, industrial boiler-water treatment, and chemical manufacturing. Fastest-Growing – High-Purity & Specialty Grade: Represented 6.0% of revenue, equivalent to USD 36.27 million in 2025, with a projected CAGR of 6.50%, driven by specialized chemical processing and photographic applications requiring higher-purity sodium sulfite. By Product Form Largest – Dry Anhydrous Sodium Sulfite: Held 88.0% of market revenue, equivalent to USD 531.96 million in 2025, with a projected CAGR of 4.83%, supported by its widespread use in industrial chemical processing and water-treatment formulations. Fastest-Growing – Aqueous Sodium Sulfite Solutions: Accounted for 12.0% of revenue, valued at USD 72.54 million in 2025, with a projected CAGR of 6.13%, supported by liquid dosing applications in wastewater dechlorination and industrial water treatment. By Primary Application Largest – Pulp & Paper: Contributed 28.0% of market revenue, equivalent to USD 169.26 million in 2025, with a projected CAGR of 3.56%, supported by sodium sulfite requirements in semichemical pulping and selected pulp-treatment operations. Fastest-Growing – Wastewater Dechlorination: Represented 16.0% of the market, valued at USD 96.72 million in 2025, with a projected CAGR of 6.46%, supported by sodium sulfite use in neutralizing residual chlorine from treated wastewater. By Geography Largest and Fastest-Growing – Asia Pacific: Accounted for 49.0% of global revenue, equivalent to USD 296.20 million in 2025, with a projected CAGR of 5.50%, supported by sodium sulfite manufacturing in China, India, and Thailand and industrial demand from chemical production, pulp processing, and water treatment. How Are Industrial Applications Influencing Sodium Sulfite Market Growth? Pulp and paper was the largest estimated application, accounting for 28.0% of the global Sodium Sulfite Market, equivalent to USD 169.26 million in 2025, according to Strategic Market Research. Demand comes primarily from paper mills using sodium sulfite in specific pulping and pulp-treatment processes. These operations create regular requirements for the chemical as part of paper production. Aditya Birla Chemicals confirms its application in pulp processing, including chemi-thermomechanical pulp production. The segment's market position reflects sodium sulfite requirements from mills that continue to operate sulfite-based processing systems. Industrial boiler-water treatment represented approximately 27.0% of market revenue, valued at USD 163.22 million in 2025. Sodium sulfite is used in industrial boilers to remove dissolved oxygen from feedwater, helping protect equipment against corrosion. This creates repeat chemical requirements in manufacturing facilities and industrial steam operations using sodium sulfite-based treatment programs. According to Veolia Water Technologies, sodium sulfite is an established oxygen scavenger for industrial boiler-water treatment. The market benefits from its continued use in existing boiler-treatment programs and the regular chemical replenishment required during operation. Wastewater dechlorination contributed an estimated 16.0% of revenue, equivalent to USD 96.72 million in 2025. Industrial and municipal wastewater treatment facilities use sodium sulfite to remove residual chlorine from treated water before discharge. Demand is directly associated with facilities operating chlorine-based disinfection and sodium sulfite dechlorination systems. Ecolab's Sodium Sulfite Solution, developed specifically for wastewater applications, demonstrates its use in this market. Regular wastewater treatment operations support continuing requirements for sodium sulfite where this chemical is selected for chlorine removal. Chemical manufacturing accounted for approximately 15.0% of market revenue, reaching USD 90.67 million in 2025. Sodium sulfite is used in the production of selected chemical intermediates and sulfur-based compounds, including sodium thiosulfate. Demand is associated with chemical plants using sodium sulfite as an ingredient in manufacturing processes, creating opportunities for industrial-grade material. As reported in Aditya Birla Chemicals' FY2024–25 ESG Report, sodium sulfite also serves chemical and pharmaceutical synthesis applications. Its market contribution is therefore linked to the production of chemicals that specifically require sodium sulfite during manufacturing. Textile processing represented an estimated 7.0% share, equivalent to USD 42.31 million in 2025. Sodium sulfite is used in selected textile dyeing, bleaching, and finishing operations, particularly where residual bleaching chemicals need to be removed. According to Solvay's Sodium Sulfite Product Safety Summary, textile processing is an established industrial application for sodium sulfite. Demand comes from textile mills using these specific chemical treatments, making the segment closely tied to the processing methods employed in fabric production. Food and beverage applications accounted for approximately 4.0% of market revenue, valued at USD 24.18 million in 2025. Food-grade sodium sulfite is used as an antioxidant and preservative in selected food-processing applications where its use is permitted. This segment creates demand for higher-quality grades that meet applicable food safety requirements. Esseco offers sodium sulfite specifically for food and high-purity applications, demonstrating the presence of a dedicated product category serving these requirements. Photography and other specialized applications contributed the remaining 3.0% of market revenue, equivalent to USD 18.14 million in 2025. Sodium sulfite remains an ingredient in photographic developing chemicals, where it helps maintain the effectiveness of developing solutions. Demand is associated with manufacturers of traditional photographic chemicals and selected specialty processing formulations. These applications represent a smaller, specialized portion of the global sodium sulfite industry. Which Sodium Sulfite Grades Account for the Largest Market Share? Industrial and technical grade sodium sulfite dominated the global market with an estimated 85.0% share, generating USD 513.83 million in 2025, according to Strategic Market Research. Its leading position is supported by widespread use in pulp and paper manufacturing, industrial boiler-water treatment, wastewater dechlorination, and chemical processing. These industries use sodium sulfite regularly in their production and treatment operations, making industrial grade the principal source of market revenue. Gulshan Chemicals manufactures technical-grade sodium sulfite with a minimum purity of 97%, specifically serving applications such as pulp processing, water treatment, and chemical manufacturing. Food-grade sodium sulfite accounted for an estimated 9.0% of market revenue, equivalent to USD 54.41 million in 2025. This grade serves selected food-processing applications where sodium sulfite is permitted as a preservative and antioxidant. Unlike industrial applications, food processing requires specific quality standards and documentation, creating a distinct market for food-grade material. Esseco's Sodium Sulfite Food/HP and Photo Grade is manufactured to meet Food Chemicals Codex requirements, confirming the availability of sodium sulfite specifically intended for food applications. High-purity and specialty grades represented an estimated 6.0% of the market, valued at USD 36.27 million in 2025. These grades serve pharmaceutical processing, specialty chemical manufacturing, and traditional photographic chemical production. Demand comes from applications requiring sodium sulfite with tighter impurity controls and consistent quality. Esseco's photographic chemical operations include sodium sulfite grades used in traditional photographic processing, demonstrating its continued role in specialized applications. Although smaller in revenue, this segment offers opportunities for manufacturers serving industries with specific product-quality requirements. How Does Product Form Influence Sodium Sulfite Demand? Dry anhydrous sodium sulfite accounted for approximately 88.0% of revenue, equivalent to USD 531.96 million in 2025. Its estimated volume was around 1.12 million metric tonnes. Dry sodium sulfite is widely used in industrial manufacturing and chemical-treatment operations because it can be stored, transported, and prepared at the required concentration for individual processes. The segment is projected to expand at a CAGR of 4.83%. Aqueous sodium sulfite solutions represented 12.0% of market revenue, or USD 72.54 million, with an estimated 130,000 metric tonnes of active sodium sulfite equivalent. This category is projected to record faster growth at 6.13% annually. Liquid formulations are used in selected continuous dosing and dechlorination operations where direct chemical addition supports treatment requirements. The availability of sodium sulfite solutions through Calabrian's industrial chemical operations supports this distinct product category, particularly for water-treatment applications. Liquid volume is assessed on sodium sulfite content to maintain consistency with dry product volumes. Which Regions and Countries Lead the Sodium Sulfite Market? Asia Pacific accounted for an estimated 49.0% of the global Sodium Sulfite Market, valued at USD 296.20 million in 2025, according to Strategic Market Research. The region's leading position reflects sodium sulfite production in China, India, and Thailand, alongside demand from industrial water treatment, pulp processing, and chemical manufacturing. China was the largest country market, generating an estimated USD 162.91 million, equivalent to approximately 27.0% of global revenue. Its domestic manufacturing presence supports sodium sulfite availability for industrial applications and international distribution. India followed with USD 38.51 million, supported by local manufacturing and applications in water treatment and chemical processing. Gulshan Chemicals produces sodium sulfite for these industries, demonstrating the country's established manufacturing presence. Thailand contributed USD 20.73 million, with Aditya Birla Chemicals operating a sodium sulfite manufacturing facility in Saraburi. Japan represented USD 17.77 million, with applications in specialty chemical production and industrial water treatment, while South Korea accounted for USD 14.81 million, supported by selected chemical-processing and water-treatment operations. North America represented 18.0% of global revenue, equivalent to USD 108.81 million in 2025. The United States accounted for USD 89.22 million, making it the largest regional market and the second-largest country market globally in Strategic Market Research's assessment. Sodium sulfite is used in industrial boiler-water treatment and wastewater dechlorination, particularly in facilities requiring regular chemical dosing. Calabrian's sodium sulfite solution serves industrial water-treatment applications, demonstrating the availability of liquid sodium sulfite for facilities using continuous treatment systems. Chemical manufacturing also contributes to U.S. demand through applications requiring sodium sulfite as a processing ingredient. Europe accounted for an estimated 17.0% of global market revenue, valued at USD 102.77 million in 2025. Germany led the region with USD 18.50 million, supported by sodium sulfite use in chemical manufacturing and industrial water treatment. Italy followed at USD 17.47 million and remains an important European production location. Esseco manufactures sodium sulfite at its Trecate facility in Italy, serving industrial applications and international markets. According to World Bank WITS, Italy exported approximately 84,905 metric tonnes of sodium sulphites worth USD 40.95 million in 2025, reflecting its role in international chemical supply. These figures cover the broader sodium sulphites trade category. Latin America contributed approximately 9.0% of the global Sodium Sulfite Market, equivalent to USD 54.41 million in 2025. Brazil was the largest regional market at USD 23.39 million, supported by sodium sulfite applications in pulp processing, chemical manufacturing, and industrial water treatment. The country has an established pulp and paper industry where sodium sulfite is relevant to facilities operating specific sulfite-based processes. Chile accounted for USD 7.07 million, while Peru contributed USD 6.53 million. In these countries, sodium sulfite is used in selected industrial water-treatment and chemical-processing operations, with additional specialized applications in mineral processing. The regional market reflects demand from industries that use sodium sulfite directly in manufacturing and treatment activities. The Middle East & Africa represented an estimated 7.0% of global revenue, valued at USD 42.31 million in 2025. South Africa led the region with USD 8.46 million, supported by sodium sulfite applications in industrial water treatment and selected chemical processes. Industrial facilities using sodium sulfite for boiler-water treatment and wastewater dechlorination represent important end-use markets. Regional demand is associated with established industrial treatment requirements, particularly in facilities where sodium sulfite is used regularly for oxygen removal and chlorine neutralization. How Competitive Is the Global Sodium Sulfite Market? The competitive landscape includes regional and international producers serving industrial chemical and water-treatment applications. Aditya Birla Chemicals, Esseco Group, Solvay, Gulshan Chemicals, Weifang Bell Chemical, and the Calabrian business are among the identified sodium sulfite industry participants. Competition is shaped by grade availability, manufacturing location, product consistency, and access to industrial end-use markets. Producers offering multiple grades can serve both large-volume industrial applications and specialized chemical processes. Regional production also influences sodium sulfite distribution. Manufacturers operating close to major industrial regions have opportunities to serve recurring treatment and manufacturing requirements, while international producers support markets through cross-border chemical shipments. How Was the Sodium Sulfite Market Evaluated? Strategic Market Research evaluates the Sodium Sulfite Market using a triangulated bottom-up demand-based methodology linking industrial production activity, sodium sulfite usage intensity, application penetration, and regional selling prices. The assessment covers sulfite-based pulp production, industrial boiler-water treatment, wastewater dechlorination, chemical manufacturing, textile processing, food applications, and specialty uses. Annual sodium sulfite volumes are assessed through relevant production or treatment activity and application-specific chemical requirements. Revenue estimates incorporate grade, product form, application, and geographic pricing differences. Dry and aqueous sodium sulfite are measured on a consistent active-content basis, while each application and regional segment is reconciled to the global market. The forecast through 2032 considers application-level industrial activity, water-treatment requirements, product-grade demand, and regional manufacturing developments. The 2025 figures represent preliminary Strategic Market Research estimates and remain subject to further validation using sodium sulfite-specific production, trade, and end-use data. Sodium Sulfite Market Report Coverage Table Report Attribute Details Forecast Period 2026–2032 Market Size Value in 2025 USD 604.5 Million Revenue Forecast in 2032 USD 850.0 Million Overall Growth Rate 5.0% CAGR Base Year for Estimation 2025 Historical Data 2019–2024 Unit USD Million, CAGR (2026–2032) Segmentation By Grade; By Product Form; By Primary Application; By Geography By Grade Industrial/Technical Grade, Food Grade, High-Purity & Specialty Grade By Product Form Dry Anhydrous Sodium Sulfite, Aqueous Sodium Sulfite Solutions By Primary Application Pulp & Paper, Industrial Boiler Water Treatment, Wastewater Dechlorination, Chemical Manufacturing, Textile Processing, Food & Beverage, Photography & Other Applications By Region North America, Europe, Asia Pacific, Latin America, Middle East & Africa Country Scope China, India, Thailand, Japan, South Korea, United States, Germany, Italy, Brazil, Chile, Peru, South Africa Market Drivers Its role in paper production and removing dissolved oxygen from industrial water systems supports ongoing demand, while applications in mineral processing provide additional opportunities for manufacturers. Customization Option Available upon request Frequently Asked Question About This Report Q1. What is the size and growth outlook of the global Sodium Sulfite Market? A1. The Global Sodium Sulfite Market was valued at USD 604.5 million in 2025 and is projected to reach USD 850.0 million by 2032. The market is expected to grow at a CAGR of 5.0% during 2026–2032. Q2. Which grade leads the Sodium Sulfite Market? A2. Industrial/Technical Grade was the largest grade segment, accounting for 85.0% of global revenue and generating USD 513.83 million in 2025. High-Purity & Specialty Grade is projected to record the fastest grade CAGR of 6.50% during 2026–2032. Q3. Which product form leads the Sodium Sulfite Market? A3. Dry Anhydrous Sodium Sulfite was the largest product-form segment, accounting for 88.0% of global revenue and generating USD 531.96 million in 2025. Aqueous Sodium Sulfite Solutions are projected to record the fastest product-form CAGR of 6.13% during 2026–2032. Q4. Which application leads the Sodium Sulfite Market? A4. Pulp & Paper was the largest application, accounting for 28.0% of global revenue and generating USD 169.26 million in 2025. Wastewater Dechlorination is projected to record the fastest application CAGR of 6.46% during 2026–2032. Q5. Which country represents the largest Sodium Sulfite Market? A5. China was the largest national market, generating USD 162.91 million in 2025 and accounting for 27.0% of global revenue. The United States followed with USD 89.22 million. Q6. Which region leads the global Sodium Sulfite Market? A6. Asia Pacific was both the largest and fastest-growing regional market, accounting for 49.0% of global revenue and generating USD 296.20 million in 2025. The region is projected to grow at a CAGR of 5.50% during 2026–2032. Sources: Pulp & Paper and Industrial Water Treatment Aditya Birla Chemicals — Sodium Sulfite for Pulp Processing Veolia Water Technologies — Sodium Sulfite for Boiler-Water Treatment Ecolab — Sodium Sulfite Solution for Wastewater Dechlorination Sodium Sulfite Manufacturing and Industrial Grades Gulshan Chemicals — Technical-Grade Sodium Sulfite Esseco — Sodium Sulfite Food/HP Grade Aditya Birla Chemicals — Sodium Sulfite Manufacturing in Thailand International Trade and Regional Supply World Bank WITS — Global Sodium Sulphites Exports World Bank WITS — Global Sodium Sulphites Imports Shanti Inorganics — Sodium Sulfite Capacity Expansion Table of Contents - Global Sodium Sulfite Market Report (2026–2032) Executive Summary Market Overview Market Attractiveness by Grade, Product Form, Primary Application, and Region Strategic Insights from Key Executives (CXO Perspective) Historical Market Size and Volume (2019–2024) Base Year Market Size Analysis (2025) Market Size and Volume Forecasts (2026–2032) Summary of Market Segmentation by Grade, Product Form, Primary Application, and Region Market Share Analysis Leading Players by Revenue and Market Share Market Share Analysis by Grade, Product Form, and Primary Application Investment Opportunities in the Sodium Sulfite Market Key Developments and Innovations Mergers, Acquisitions, and Strategic Partnerships High-Growth Segments for Investment Opportunities in High-Purity Sodium Sulfite, Food-Grade Formulations, Industrial Water Treatment, Wastewater Dechlorination, Pulp & Paper Processing, and Specialty Chemical Applications Market Introduction Definition and Scope of the Study Market Structure and Key Findings Overview of Top Investment Pockets Strategic Importance of Sodium Sulfite in Pulp & Paper Manufacturing, Industrial Water Treatment, Chemical Processing, and Food Preservation Applications Research Methodology Research Process Overview Primary and Secondary Research Approaches Market Size Estimation and Forecasting Techniques Data Triangulation and Segment-Level Forecasting Approach Market Dynamics Key Market Drivers Challenges and Restraints Impacting Growth Emerging Opportunities for Stakeholders Impact of Regulatory, Environmental, and Industrial Safety Compliance Factors Role of Pulp & Paper Processing, Industrial Boiler Water Treatment, Wastewater Dechlorination, and Chemical Manufacturing in Market Expansion Product Purity, Process Efficiency, Wastewater Management, and Sustainable Chemical Processing Trends in Sodium Sulfite Applications Global Sodium Sulfite Market Analysis Historical Market Size and Volume (2019–2024) Base Year Market Size Analysis (2025) Market Size and Volume Forecasts (2026–2032) Market Analysis by Grade: Industrial/Technical Grade Food Grade High-Purity & Specialty Grade Market Analysis by Product Form: Dry Anhydrous Sodium Sulfite Aqueous Sodium Sulfite Solutions Market Analysis by Primary Application: Pulp & Paper Industrial Boiler Water Treatment Wastewater Dechlorination Chemical Manufacturing Textile Processing Food & Beverage Photography & Other Applications Market Analysis by Region: North America Europe Asia-Pacific Latin America Middle East & Africa Regional Market Analysis North America Sodium Sulfite Market Analysis Historical Market Size and Volume (2019–2024) Base Year Market Size Analysis (2025) Market Size and Volume Forecasts (2026–2032) Market Analysis by Grade, Product Form, and Primary Application Country-Level Breakdown: United States Canada Mexico Europe Sodium Sulfite Market Analysis Historical Market Size and Volume (2019–2024) Base Year Market Size Analysis (2025) Market Size and Volume Forecasts (2026–2032) Market Analysis by Grade, Product Form, and Primary Application Country-Level Breakdown: Germany United Kingdom France Italy Spain Rest of Europe Asia Pacific Sodium Sulfite Market Analysis Historical Market Size and Volume (2019–2024) Base Year Market Size Analysis (2025) Market Size and Volume Forecasts (2026–2032) Market Analysis by Grade, Product Form, and Primary Application Country-Level Breakdown: China India Japan South Korea Australia Rest of Asia-Pacific Latin America Sodium Sulfite Market Analysis Historical Market Size and Volume (2019–2024) Base Year Market Size Analysis (2025) Market Size and Volume Forecasts (2026–2032) Market Analysis by Grade, Product Form, and Primary Application Country-Level Breakdown: Brazil Argentina Rest of Latin America Middle East & Africa Sodium Sulfite Market Analysis Historical Market Size and Volume (2019–2024) Base Year Market Size Analysis (2025) Market Size and Volume Forecasts (2026–2032) Market Analysis by Grade, Product Form, and Primary Application Country-Level Breakdown: GCC Countries South Africa Rest of Middle East & Africa Competitive Intelligence and Benchmarking Leading Key Players: Solvay S.A. BASF SE Esseco Group INEOS Group Thermo Fisher Scientific Inc. Merck KGaA Avantor, Inc. American Elements GFS Chemicals, Inc. Shandong Kailong Chemical Technology Development Co., Ltd. Competitive Landscape and Strategic Insights Benchmarking Based on Product Purity, Manufacturing Capacity, Production Technology, Distribution Network, Technical Support, and Regional Presence Supplier Qualification and Regulatory Compliance Capability Analysis High-Purity and Specialty-Grade Product Positioning Industrial Water Treatment and Pulp & Paper Application Competitiveness Dry Anhydrous Sodium Sulfite and Aqueous Solution Product Strategy Analysis Appendix Abbreviations and Terminologies Used in the Report References and Sources List of Tables Market Size by Grade, Product Form, Primary Application, and Region (2026–2032) Regional Market Breakdown by Segment Type (2026–2032) Competitive Benchmarking of Leading Vendors Regulatory Compliance, Product Quality, and Procurement Risk Analysis Technology Adoption Trends Across Pulp & Paper Processing, Industrial Boiler Water Treatment, Wastewater Dechlorination, Chemical Manufacturing, Textile Processing, and Food & Beverage Applications List of Figures Market Drivers, Challenges, Opportunities, and Restraints Regional Market Snapshot Competitive Landscape by Market Share Growth Strategies Adopted by Key Players Market Share by Grade, Product Form, and Primary Application (2025 vs. 2032) Global Sodium Sulfite Ecosystem and Value Chain Analysis