APO RESEARCH · REPORT
Phosphorous Acid
Phosphorous acid (CAS 10294-56) is the compound described by the formula H3PO3. This acid is diprotic (readily ionizes two protons), not triprotic as might be suggested by this formula. Phosphorous acid is an intermediate in the preparation of other phosphorus compounds. It is applied for reducing agent, nylon whiten agent, plastic stabilizer, synthetic fiber, phosphoric acid salt and agricultural pesticide intermediate etc. Phosphorous acid's CAS number is 10294-56-1 or 13598-36-2.
Product & engineering
Understand the product.
Phosphorous acid (CAS 10294-56) is the compound described by the formula H3PO3. This acid is diprotic (readily ionizes two protons), not triprotic as might be suggested by this formula. Phosphorous acid is an intermediate in the preparation of other phosphorus compounds. It is applied for reducing agent, nylon whiten agent, plastic stabilizer, synthetic fiber, phosphoric acid salt and agricultural pesticide intermediate etc. Phosphorous acid's CAS number is 10294-56-1 or 13598-36-2.
Selected research
Industry Research
Phosphorous Acid Industry Research Report 2026
Market perspective
Phosphorous acid (CAS 10294-56) is the compound described by the formula H3PO3. This acid is diprotic (readily ionizes two protons), not triprotic as might be suggested by this formula. Phosphorous acid is an intermediate in the preparation of other phosphorus compounds. It is applied for reducing agent, nylon whiten agent, plastic stabilizer, synthetic fiber, phosphoric acid salt and agricultural pesticide intermediate etc. Phosphorous acid's CAS number is 10294-56-1 or 13598-36-2.
Global Phosphorous Acid (CAS 10294-56) key players include Jiangyin Yaoyu Chemical, Rudong Zhenfeng Yiyang Chemical, Rudong Blessing Chemical, Rudong Huayun Chemical, Linyi Chunming Chemical, etc. Global top five manufacturers hold a share over 35%. China is the largest market, with a share about 90%.
Report Scope
Read the full market overview
This report quantifies the global Phosphorous Acid market in revenue (US$ million) and, where applicable, sales volume (MT), using 2025 as the base year and providing annual historical and forecast data for 2021–2032.
It standardizes definitions of types and applications, harmonizes vendor attribution, and presents comparable time series by company, type, application, and region/country, including indicative price bands (US$/MT) and concentration ratios (CR5/CR10).
The outputs are intended to support strategy development, budgeting, and performance benchmarking for manufacturers, new entrants, channel partners, and investors; the report also reviews technology shifts and notable product introductions relevant to Phosphorous Acid.
Key Companies & Market Share Insights
This section profiles leading manufacturers, combining 2021–2025 results with a 2026–2032 outlook. It reports revenue, market share, price bands, product and application mix, regional and channel mix, and key developments (M&A, capacity additions, certifications). It also provides global revenue, average price, and—where applicable—sales volume by manufacturer, and calculates CR5/CR10 and rank changes to support comparative benchmarking.
Phosphorous Acid Market by Company
Futong Chemical
Jiangyin Yaoyu Chemical
Yichang Kaixiang Chemical
Rudong Zhenfeng Yiyang Chemical
Rudong Blessing Chemical
Linyi Chunming Chemical
Jiangsu Jibao Technology
Rudong Huayun Chemical
Xuzhou Yongda Chemical
Zibo TianDan Chemical
Shandong Sinobioway Biomedicine
Taixing Xiangyun Chemical
Jiangxi Jinlong Chemical
Guizhou Sino-Phos Chemical
Phosphorous Acid Segment by Type
Phosphorous Acid Crystal
Phosphorous Acid Liquid
Phosphorous Acid Segment by Application
Plastics & Polymers
Agriculture
Synthetic Fiber
Water Treatment
Others
Phosphorous Acid Segment by Region
North America
United States
Canada
Mexico
Europe
Germany
France
U.K.
Italy
Russia
Spain
Netherlands
Switzerland
Sweden
Poland
Asia-Pacific
China
Japan
South Korea
India
Australia
Taiwan
Southeast Asia
South America
Brazil
Argentina
Chile
Middle East & Africa
Egypt
South Africa
Israel
Türkiye
GCC Countries
Key Drivers & Barriers
High-impact rendering factors and drivers have been studied in this report to aid the readers to understand the general development. Moreover, the report includes restraints and challenges that may act as stumbling blocks on the way of the players. This will assist the users to be attentive and make informed decisions related to business. Specialists have also laid their focus on the upcoming business prospects.
Reasons to Buy This Report
1. This report will help the readers to understand the competition within the industries and strategies for the competitive environment to enhance the potential profit. The report also focuses on the competitive landscape of the global Phosphorous Acid market, and introduces in detail the market share, industry ranking, competitor ecosystem, market performance, new product development, operation situation, expansion, and acquisition. etc. of the main players, which helps the readers to identify the main competitors and deeply understand the competition pattern of the market.
2. This report will help stakeholders to understand the global industry status and trends of Phosphorous Acid and provides them with information on key market drivers, restraints, challenges, and opportunities.
3. This report will help stakeholders to understand competitors better and gain more insights to strengthen their position in their businesses. The competitive landscape section includes the market share and rank (in volume and value), competitor ecosystem, new product development, expansion, and acquisition.
4. This report stays updated with novel technology integration, features, and the latest developments in the market
5. This report helps stakeholders to gain insights into which regions to target globally
6. This report helps stakeholders to gain insights into the end-user perception concerning the adoption of Phosphorous Acid.
7. This report helps stakeholders to identify some of the key players in the market and understand their valuable contribution.
Chapter Outline
Chapter 1: Research objectives, research methods, data sources, data cross-validation;
Chapter 2: Introduces the report scope of the report, executive summary of different market segments (by region, product type, application, etc), including the market size of each market segment, future development potential, and so on. It offers a high-level view of the current state of the market and its likely evolution in the short to mid-term, and long term.
Chapter 3: Detailed analysis of Phosphorous Acid manufacturers competitive landscape, price, production and value market share, latest development plan, merger, and acquisition information, etc.
Chapter 4: Provides profiles of key players, introducing the basic situation of the main companies in the market in detail, including product production/output, value, price, gross margin, product introduction, recent development, etc.
Chapter 5: Production/output, value of Phosphorous Acid by region/country. It provides a quantitative analysis of the market size and development potential of each region in the next six years.
Chapter 6: Consumption of Phosphorous Acid in regional level and country level. It provides a quantitative analysis of the market size and development potential of each region and its main countries and introduces the market development, future development prospects, market space, and production of each country in the world.
Chapter 7: Provides the analysis of various market segments by type, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different market segments.
Chapter 8: Provides the analysis of various market segments by application, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different downstream markets.
Chapter 9: Analysis of industrial chain, including the upstream and downstream of the industry.
Chapter 10: Introduces the market dynamics, latest developments of the market, the driving factors and restrictive factors of the market, the challenges and risks faced by manufacturers in the industry, and the analysis of relevant policies in the industry.
Chapter 11: The main points and conclusions of the report.
More report detail
Tables and figures
Scope & coverage.
Types
- Phosphorous Acid Crystal
- Phosphorous Acid Liquid
Applications
- Plastics & Polymers
- Agriculture
- Synthetic Fiber
- Water Treatment
- Others
Companies covered
- Futong Chemical
- Jiangyin Yaoyu Chemical
- Yichang Kaixiang Chemical
- Rudong Zhenfeng Yiyang Chemical
- Rudong Blessing Chemical
- Linyi Chunming Chemical
- Jiangsu Jibao Technology
- Rudong Huayun Chemical
- Xuzhou Yongda Chemical
- Zibo TianDan Chemical
- Shandong Sinobioway Biomedicine
- Taixing Xiangyun Chemical
- Jiangxi Jinlong Chemical
- Guizhou Sino-Phos Chemical
Inside the report.
1 Preface
- 1.1 Scope of Report
- 1.2 Reasons for Doing This Study
- 1.3 Research Methodology
- 1.4 Research Process
- 1.5 Data Source
- 1.5.1 Secondary Sources
- 1.5.2 Primary Sources
2 Market Overview
- 2.1 Product Definition
- 2.2 Phosphorous Acid by Type
- 2.2.1 Market Value Comparison by Type (2021 VS 2025 VS 2032) & (US$ Million)
- 2.2.2 Phosphorous Acid Crystal
- 2.2.3 Phosphorous Acid Liquid
- 2.3 Phosphorous Acid by Application
- 2.3.1 Market Value Comparison by Application (2021 VS 2025 VS 2032) & (US$ Million)
- 2.3.2 Plastics & Polymers
- 2.3.3 Agriculture
- 2.3.4 Synthetic Fiber
- 2.3.5 Water Treatment
- 2.3.6 Others
- 2.4 Global Market Growth Prospects
- 2.4.1 Global Phosphorous Acid Production Value Estimates and Forecasts (2021-2032)
- 2.4.2 Global Phosphorous Acid Production Capacity Estimates and Forecasts (2021-2032)
- 2.4.3 Global Phosphorous Acid Production Estimates and Forecasts (2021-2032)
- 2.4.4 Global Phosphorous Acid Market Average Price (2021-2032)
3 Market Competitive Landscape by Manufacturers
- 3.1 Global Phosphorous Acid Production by Manufacturers (2021-2026)
- 3.2 Global Phosphorous Acid Production Value by Manufacturers (2021-2026)
- 3.3 Global Phosphorous Acid Average Price by Manufacturers (2021-2026)
- 3.4 Global Phosphorous Acid Industry Manufacturers Ranking, 2024 VS 2025 VS 2026
- 3.5 Global Phosphorous Acid Key Manufacturers, Manufacturing Sites & Headquarters
- 3.6 Global Phosphorous Acid Manufacturers, Product Type & Application
- 3.7 Global Phosphorous Acid Manufacturers Established Date
- 3.8 Global Phosphorous Acid Market CR5 and HHI
- 3.9 Global Manufacturers Mergers & Acquisition
4 Manufacturers Profiled
- 4.1 Futong Chemical
- 4.1.1 Futong Chemical Phosphorous Acid Company Information
- 4.1.2 Futong Chemical Phosphorous Acid Business Overview
- 4.1.3 Futong Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.1.4 Futong Chemical Product Portfolio
- 4.1.5 Futong Chemical Recent Developments
- 4.2 Jiangyin Yaoyu Chemical
- 4.2.1 Jiangyin Yaoyu Chemical Phosphorous Acid Company Information
- 4.2.2 Jiangyin Yaoyu Chemical Phosphorous Acid Business Overview
- 4.2.3 Jiangyin Yaoyu Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.2.4 Jiangyin Yaoyu Chemical Product Portfolio
- 4.2.5 Jiangyin Yaoyu Chemical Recent Developments
- 4.3 Yichang Kaixiang Chemical
- 4.3.1 Yichang Kaixiang Chemical Phosphorous Acid Company Information
- 4.3.2 Yichang Kaixiang Chemical Phosphorous Acid Business Overview
- 4.3.3 Yichang Kaixiang Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.3.4 Yichang Kaixiang Chemical Product Portfolio
- 4.3.5 Yichang Kaixiang Chemical Recent Developments
- 4.4 Rudong Zhenfeng Yiyang Chemical
- 4.4.1 Rudong Zhenfeng Yiyang Chemical Phosphorous Acid Company Information
- 4.4.2 Rudong Zhenfeng Yiyang Chemical Phosphorous Acid Business Overview
- 4.4.3 Rudong Zhenfeng Yiyang Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.4.4 Rudong Zhenfeng Yiyang Chemical Product Portfolio
- 4.4.5 Rudong Zhenfeng Yiyang Chemical Recent Developments
- 4.5 Rudong Blessing Chemical
- 4.5.1 Rudong Blessing Chemical Phosphorous Acid Company Information
- 4.5.2 Rudong Blessing Chemical Phosphorous Acid Business Overview
- 4.5.3 Rudong Blessing Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.5.4 Rudong Blessing Chemical Product Portfolio
- 4.5.5 Rudong Blessing Chemical Recent Developments
- 4.6 Linyi Chunming Chemical
- 4.6.1 Linyi Chunming Chemical Phosphorous Acid Company Information
- 4.6.2 Linyi Chunming Chemical Phosphorous Acid Business Overview
- 4.6.3 Linyi Chunming Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.6.4 Linyi Chunming Chemical Product Portfolio
- 4.6.5 Linyi Chunming Chemical Recent Developments
- 4.7 Jiangsu Jibao Technology
- 4.7.1 Jiangsu Jibao Technology Phosphorous Acid Company Information
- 4.7.2 Jiangsu Jibao Technology Phosphorous Acid Business Overview
- 4.7.3 Jiangsu Jibao Technology Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.7.4 Jiangsu Jibao Technology Product Portfolio
- 4.7.5 Jiangsu Jibao Technology Recent Developments
- 4.8 Rudong Huayun Chemical
- 4.8.1 Rudong Huayun Chemical Phosphorous Acid Company Information
- 4.8.2 Rudong Huayun Chemical Phosphorous Acid Business Overview
- 4.8.3 Rudong Huayun Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.8.4 Rudong Huayun Chemical Product Portfolio
- 4.8.5 Rudong Huayun Chemical Recent Developments
- 4.9 Xuzhou Yongda Chemical
- 4.9.1 Xuzhou Yongda Chemical Phosphorous Acid Company Information
- 4.9.2 Xuzhou Yongda Chemical Phosphorous Acid Business Overview
- 4.9.3 Xuzhou Yongda Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.9.4 Xuzhou Yongda Chemical Product Portfolio
- 4.9.5 Xuzhou Yongda Chemical Recent Developments
- 4.10 Zibo TianDan Chemical
- 4.10.1 Zibo TianDan Chemical Phosphorous Acid Company Information
- 4.10.2 Zibo TianDan Chemical Phosphorous Acid Business Overview
- 4.10.3 Zibo TianDan Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.10.4 Zibo TianDan Chemical Product Portfolio
- 4.10.5 Zibo TianDan Chemical Recent Developments
- 4.11 Shandong Sinobioway Biomedicine
- 4.11.1 Shandong Sinobioway Biomedicine Phosphorous Acid Company Information
- 4.11.2 Shandong Sinobioway Biomedicine Phosphorous Acid Business Overview
- 4.11.3 Shandong Sinobioway Biomedicine Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.11.4 Shandong Sinobioway Biomedicine Product Portfolio
- 4.11.5 Shandong Sinobioway Biomedicine Recent Developments
- 4.12 Taixing Xiangyun Chemical
- 4.12.1 Taixing Xiangyun Chemical Phosphorous Acid Company Information
- 4.12.2 Taixing Xiangyun Chemical Phosphorous Acid Business Overview
- 4.12.3 Taixing Xiangyun Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.12.4 Taixing Xiangyun Chemical Product Portfolio
- 4.12.5 Taixing Xiangyun Chemical Recent Developments
- 4.13 Jiangxi Jinlong Chemical
- 4.13.1 Jiangxi Jinlong Chemical Phosphorous Acid Company Information
- 4.13.2 Jiangxi Jinlong Chemical Phosphorous Acid Business Overview
- 4.13.3 Jiangxi Jinlong Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.13.4 Jiangxi Jinlong Chemical Product Portfolio
- 4.13.5 Jiangxi Jinlong Chemical Recent Developments
- 4.14 Guizhou Sino-Phos Chemical
- 4.14.1 Guizhou Sino-Phos Chemical Phosphorous Acid Company Information
- 4.14.2 Guizhou Sino-Phos Chemical Phosphorous Acid Business Overview
- 4.14.3 Guizhou Sino-Phos Chemical Phosphorous Acid Production Capacity, Value and Gross Margin (2021-2026)
- 4.14.4 Guizhou Sino-Phos Chemical Product Portfolio
- 4.14.5 Guizhou Sino-Phos Chemical Recent Developments
5 Global Phosphorous Acid Production by Region
- 5.1 Global Phosphorous Acid Production Estimates and Forecasts by Region: 2021 VS 2025 VS 2032
- 5.2 Global Phosphorous Acid Production by Region: 2021-2032
- 5.2.1 Global Phosphorous Acid Production by Region: 2021-2026
- 5.2.2 Global Phosphorous Acid Production Forecast by Region (2027-2032)
- 5.3 Global Phosphorous Acid Production Value Estimates and Forecasts by Region: 2021 VS 2025 VS 2032
- 5.4 Global Phosphorous Acid Production Value by Region: 2021-2032
- 5.4.1 Global Phosphorous Acid Production Value by Region: 2021-2026
- 5.4.2 Global Phosphorous Acid Production Value Forecast by Region (2027-2032)
- 5.5 Global Phosphorous Acid Market Price Analysis by Region (2021-2026)
- 5.6 Global Phosphorous Acid Production and Value, YOY Growth
- 5.6.1 North America Phosphorous Acid Production Value Estimates and Forecasts (2021-2032)
- 5.6.2 Europe Phosphorous Acid Production Value Estimates and Forecasts (2021-2032)
- 5.6.3 China Phosphorous Acid Production Value Estimates and Forecasts (2021-2032)
- 5.6.4 Japan Phosphorous Acid Production Value Estimates and Forecasts (2021-2032)
6 Global Phosphorous Acid Consumption by Region
- 6.1 Global Phosphorous Acid Consumption Estimates and Forecasts by Region: 2021 VS 2025 VS 2032
- 6.2 Global Phosphorous Acid Consumption by Region (2021-2032)
- 6.2.1 Global Phosphorous Acid Consumption by Region: 2021-2026
- 6.2.2 Global Phosphorous Acid Forecasted Consumption by Region (2027-2032)
- 6.3 North America
- 6.3.1 North America Phosphorous Acid Consumption Growth Rate by Country: 2021 VS 2025 VS 2032
- 6.3.2 North America Phosphorous Acid Consumption by Country (2021-2032)
- 6.3.3 United States
- 6.3.4 Canada
- 6.3.5 Mexico
- 6.4 Europe
- 6.4.1 Europe Phosphorous Acid Consumption Growth Rate by Country: 2021 VS 2025 VS 2032
- 6.4.2 Europe Phosphorous Acid Consumption by Country (2021-2032)
- 6.4.3 Germany
- 6.4.4 France
- 6.4.5 U.K.
- 6.4.6 Italy
- 6.4.7 Russia
- 6.4.8 Spain
- 6.4.9 Netherlands
- 6.4.10 Switzerland
- 6.4.11 Sweden
- 6.4.12 Poland
- 6.5 Asia Pacific
- 6.5.1 Asia Pacific Phosphorous Acid Consumption Growth Rate by Country: 2021 VS 2025 VS 2032
- 6.5.2 Asia Pacific Phosphorous Acid Consumption by Country (2021-2032)
- 6.5.3 China
- 6.5.4 Japan
- 6.5.5 South Korea
- 6.5.6 India
- 6.5.7 Australia
- 6.5.8 Taiwan
- 6.5.9 Southeast Asia
- 6.6 South America, Middle East & Africa
- 6.6.1 South America, Middle East & Africa Phosphorous Acid Consumption Growth Rate by Country: 2021 VS 2025 VS 2032
- 6.6.2 South America, Middle East & Africa Phosphorous Acid Consumption by Country (2021-2032)
- 6.6.3 Brazil
- 6.6.4 Argentina
- 6.6.5 Chile
- 6.6.6 Turkey
- 6.6.7 GCC Countries
7 Segment by Type
- 7.1 Global Phosphorous Acid Production by Type (2021-2032)
- 7.1.1 Global Phosphorous Acid Production by Type (2021-2032) & (MT)
- 7.1.2 Global Phosphorous Acid Production Market Share by Type (2021-2032)
- 7.2 Global Phosphorous Acid Production Value by Type (2021-2032)
- 7.2.1 Global Phosphorous Acid Production Value by Type (2021-2032) & (US$ Million)
- 7.2.2 Global Phosphorous Acid Production Value Market Share by Type (2021-2032)
- 7.3 Global Phosphorous Acid Price by Type (2021-2032)
8 Segment by Application
- 8.1 Global Phosphorous Acid Production by Application (2021-2032)
- 8.1.1 Global Phosphorous Acid Production by Application (2021-2032) & (MT)
- 8.1.2 Global Phosphorous Acid Production Market Share by Application (2021-2032)
- 8.2 Global Phosphorous Acid Production Value by Application (2021-2032)
- 8.2.1 Global Phosphorous Acid Production Value by Application (2021-2032) & (US$ Million)
- 8.2.2 Global Phosphorous Acid Production Value Market Share by Application (2021-2032)
- 8.3 Global Phosphorous Acid Price by Application (2021-2032)
9 Value Chain and Sales Channels Analysis of the Market
- 9.1 Phosphorous Acid Value Chain Analysis
- 9.1.1 Phosphorous Acid Key Raw Materials
- 9.1.2 Raw Materials Key Suppliers
- 9.1.3 Phosphorous Acid Production Mode & Process
- 9.2 Phosphorous Acid Sales Channels Analysis
- 9.2.1 Direct Comparison with Distribution Share
- 9.2.2 Phosphorous Acid Distributors
- 9.2.3 Phosphorous Acid Customers
10 Global Phosphorous Acid Analyzing Market Dynamics
- 10.1 Phosphorous Acid Industry Trends
- 10.2 Phosphorous Acid Industry Drivers
- 10.3 Phosphorous Acid Industry Opportunities and Challenges
- 10.4 Phosphorous Acid Industry Restraints
11 Report Conclusion
12 Disclaimer
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