phosphoric acid

目次

Phosphoric Acid: A Comprehensive Market Guide for Global Buyers

1. What is Phosphoric Acid? An In-Depth Introduction

Phosphoric acid (H₃PO₄) is a mineral acid, most commonly encountered as an 85% aqueous solution. It is a colorless, odorless, and non-volatile syrupy liquid. Unlike strong acids like sulfuric or hydrochloric acid, phosphoric acid is a medium-strength acid, but it is highly corrosive and can cause severe burns. Its primary industrial function is as a chemical intermediate, a rust inhibitor, a food additive, and a fertilizer component. The global market is driven by two main production routes: the thermal process, which produces a high-purity acid used in food and electronics, and the wet process, which is more cost-effective and used primarily for fertilizer production. The vast majority of global production is dedicated to the agricultural sector, where it is the key input for phosphate fertilizers like monoammonium phosphate (MAP) and diammonium phosphate (DAP).

2. Global Top 10 Phosphoric Acid Suppliers and Manufacturers

The global phosphoric acid market is dominated by a mix of state-owned enterprises, multinational chemical giants, and specialized mining companies. These top 10 players control the majority of the world’s production capacity, largely due to their ownership of phosphate rock reserves.

順位 会社名 国名 Annual Capacity (Approx. MT) Key Market Focus
1 OCP Group Morocco 6,000,000+ Fertilizers, Industrial Acid
2 Mosaic Company アメリカ 3,500,000 Fertilizers, Animal Feed
3 Nutrien Ltd. カナダ 2,800,000 Fertilizers, Industrial
4 EuroChem Group スイス 2,500,000 Fertilizers, Specialty Acids
5 PhosAgro ロシア 2,300,000 Fertilizers, High-Purity Acid
6 Yara International ノルウェー 2,000,000 Fertilizers, Crop Nutrition
7 Wengfu Group 中国 1,800,000 Fertilizers, Industrial
8 Ma’aden (Saudi Arabian Mining Company) サウジアラビア 1,500,000 Fertilizers, Export
9 ICL Group Israel 1,200,000 Specialty Chemicals, Food Grade
10 Prayon S.A. ベルギー 800,000 High-Purity, Food & Pharma

3. Top 10 Phosphoric Acid Suppliers and Factories in China

China is the world’s largest producer and consumer of phosphoric acid. The industry is concentrated in provinces with abundant phosphate rock reserves, such as Guizhou, Hubei, Yunnan, and Sichuan. The Chinese market is characterized by a mix of large state-owned enterprises and smaller, more agile private manufacturers.

順位 会社名 所在地(都道府県) Annual Capacity (Approx. MT) 専門性
1 Yunnan Yuntianhua Co., Ltd. 雲南省 2,500,000 Fertilizer Grade, Industrial Grade
2 Guizhou Kailin Group Guizhou 2,000,000 Fertilizer Grade, DAP/MAP
3 Hubei Xingfa Chemicals Group 湖北 1,500,000 Industrial Grade, Food Grade
4 Sichuan Lomon Corporation 四川 1,200,000 Fertilizer Grade, Animal Feed
5 Wengfu Group (Guizhou) Guizhou 1,800,000 Fertilizer Grade, Export
6 Anhui Liuguo Chemical Co., Ltd. 安徽省 800,000 Industrial Grade, Technical Grade
7 Jiangxi Lidu Chemical Co., Ltd. 江西省 600,000 Food Grade, Electronics Grade
8 Hubei Zhenhua Chemical Co., Ltd. 湖北 500,000 High-Purity, Reagent Grade
9 Shandong Lubei Chemical Co., Ltd. 山東省 400,000 Industrial Grade, Detergent Grade
10 Guangxi Mingli Chemical Co., Ltd. 広西チワン族自治区 300,000 Food Grade, Export

4. Global Supplier and Factory Introduction Table (with Contact Emails)

Below is a curated list of verified global suppliers. For direct sourcing, we recommend contacting them via their official trade emails.

会社概要 本社 Product Grade Official Contact Email
OCP Group Casablanca, Morocco Fertilizer, Industrial export@ocpgroup.ma
Mosaic Company Tampa, Florida, USA Fertilizer, Feed info@mosaicco.com
PhosAgro Moscow, Russia Fertilizer, High-Purity info@phosagro.ru
Prayon S.A. Engis, Belgium Food, Pharma, Tech sales@prayon.com
Yuntianhua (China) Kunming, China Fertilizer, Industrial export@yuntianhua.com
Hubei Xingfa Yichang, China Industrial, Food trade@xingfagroup.com
EuroChem Zug, Switzerland Fertilizer, Specialty info@eurochem.com
ICL Group Tel Aviv, Israel Specialty, Food iclsales@icl-group.com
Ma’aden Riyadh, Saudi Arabia Fertilizer info@maaden.com.sa
Nutrien Saskatoon, Canada Fertilizer, Industrial customer.service@nutrien.com

5. Key Factors to Consider When Selecting a Chinese Manufacturer

When sourcing phosphoric acid from China, due diligence is critical. The market is vast, but quality and reliability vary significantly.

  • Production Process: Determine if the manufacturer uses the wet process (cheaper, more impurities) or thermal process (higher purity, higher cost). For food and electronics, only thermal or purified wet process acid is acceptable.
  • Grade and Purity: Verify the specific grade (Technical 85%, Food Grade 85%, etc.). Request a Certificate of Analysis (COA) for every batch. Key impurities to check include arsenic, fluoride, and heavy metals.
  • Mining Rights and Raw 材料: Check if the company owns its own phosphate rock mines. Companies with captive mines (like Yuntianhua or Kailin) offer more stable pricing and supply.
  • Export Licenses and Certifications: Ensure the manufacturer holds a valid export license, ISO 9001, and for food-grade, FSSC 22000 or HACCP certification.
  • Logistics and Port Proximity: Factories near major ports (Shanghai, Tianjin, Guangzhou) reduce inland freight costs and lead times.
  • Environmental Compliance: Chinese environmental regulations are strict. Verify the factory has passed recent environmental audits to avoid supply disruptions due to forced shutdowns.
  • Minimum Order Quantities (MOQs): Large state-owned factories often have high MOQs (e.g., 500 MT). Smaller factories may offer lower MOQs but at a higher unit price.

6.なぜ中国メーカーから買うのか?主な利点

China remains the world’s dominant supplier for phosphoric acid due to several structural advantages.

  • コスト効率: Lower labor costs, integrated supply chains, and government subsidies for the phosphate industry result in prices that are often 15-25% lower than Western European or North American producers.
  • Massive Production Capacity: China’s total capacity exceeds 20 million MT per year, ensuring that even large-volume orders can be fulfilled without significant lead times.
  • Diverse Product Grades: Chinese manufacturers can supply everything from low-cost fertilizer grade (52-54% P₂O₅) to high-purity electronic grade (99.99%+).
  • Flexible パッケージング Options: Suppliers offer a wide range of packaging, including bulk ISO tanks, 35kg drums, 330kg IBC totes, and flexi-bags.
  • Established Export Infrastructure: Major ports have specialized chemical terminals and storage facilities, simplifying the logistics of hazardous material shipping.

7. How to Find a Professional Manufacturer in China?

Finding a reliable partner requires a systematic approach.

  • B2Bプラットフォーム: Use Alibaba, Made-in-China, and Global Sources. Filter by “Verified Supplier” and “Manufacturer” (not trading company).
  • Industry Exhibitions: Attend events like China International 化学工業 Fair (ICIF) or CPhI China. These are excellent for face-to-face meetings.
  • Third-Party Audits: Hire a service like SGS, Bureau Veritas, or TÜV Rheinland to conduct a factory audit before placing a large order.
  • Government Lists: Check the “China Customs Export Enterprise List” for companies with a clean export record.
  • 地元のエージェント Engage a sourcing agent based in Shanghai or Shenzhen who specializes in chemical procurement.

8. Applications and Solutions

Fertilizer Industry (Primary Market)

Phosphoric acid is the key intermediate for producing MAP, DAP, and NPK fertilizers. Solution: Use wet-process acid with a P₂O₅ concentration of 52-54% for cost-effective bulk blending.

食品・飲料業界

Used as an acidulant in cola drinks, jams, and processed cheese. Solution: Source thermal-process or purified wet-process acid with strict adherence to FCC (Food Chemicals Codex) standards.

Water Treatment

Acts as a corrosion inhibitor in cooling towers and boilers. Solution: Use technical grade acid (75-85%) blended with zinc or molybdate for optimal performance.

Metal Surface Treatment

Used for rust removal and phosphating of steel. Solution: Use a diluted solution (10-20%) with surfactants for automotive and construction metal parts.

Animal Feed

Provides phosphorus for livestock and poultry. Solution: Use defluorinated phosphoric acid to avoid toxicity.

9. Frequently Asked Questions (10 FAQs)

  1. What is the difference between thermal and wet process phosphoric acid? Thermal process produces higher purity (food grade) by burning phosphorus, while wet process uses sulfuric acid on phosphate rock, resulting in lower purity but lower cost.
  2. Is phosphoric acid dangerous to ship? Yes, it is classified as a Class 8 corrosive liquid. It requires specialized chemical tankers, ISO tanks, or UN-approved drums.
  3. What is the shelf life of phosphoric acid? Indefinite if stored properly in HDPE or stainless steel containers, away from alkalis and moisture.
  4. Can phosphoric acid be used in organic farming? No, synthetic phosphoric acid is generally prohibited in certified organic agriculture.
  5. What is the standard concentration for industrial use? 85% by weight is the most common industrial standard.
  6. How is the price of phosphoric acid determined? Primarily by the price of phosphate rock, energy costs (electricity for thermal process), and sulfuric acid costs.
  7. What is the HS Code for phosphoric acid? 2809.20.00 (for phosphoric acid and polyphosphoric acids).
  8. Can I mix phosphoric acid with other chemicals? Avoid mixing with strong alkalis (generates heat) or cyanides (generates toxic gas).
  9. What is the difference between food grade and technical grade? Food grade has stricter limits on heavy metals like arsenic (< 1 ppm) and lead (< 5 ppm).
  10. How do I store phosphoric acid safely? In a cool, dry, well-ventilated area, away from incompatible materials like sodium hydroxide.

10. Procurement Considerations

  • 契約条件 Use Incoterms like CIF (Cost, Insurance, Freight) for easier logistics, or FOB (Free on Board) for more control over shipping.
  • Quality Guarantee: Include a clause for third-party inspection at the port of loading.
  • 支払条件 Standard is 30% T/T deposit, 70% against copy of shipping documents. For large orders, an L/C (Letter of Credit) is safer.
  • リードタイム Expect 2-4 weeks for production after deposit, plus 3-5 weeks for sea freight.
  • サンプル・ポリシー Always request a 1-2 liter sample for lab testing before committing to a full container.

11. Product Pricing (2026 Market Estimate)

Grade 純度 Price Range (FOB China, per MT) パッケージング
Technical Grade 85% 85% H₃PO₄ $800 – $1,100 35kg Drum / IBC Tote
Food Grade 85% 85% H₃PO₄ $1,000 – $1,400 35kg Drum / ISO Tank
Fertilizer Grade (54% P₂O₅) 54% P₂O₅ $600 – $850 Bulk / Flexi-Bag
High-Purity (99.99%) 99.99% H₃PO₄ $2,500 – $4,000 25kg Drum / Specialized

12. Industry Standards

  • ISO 9001:2015: 品質マネジメントシステム。.
  • ISO 14001:2015: Environmental management.
  • FCC (Food Chemicals Codex): For food-grade acid.
  • GB/T 2091-2018: Chinese national standard for industrial phosphoric acid.
  • GB 1886.15-2015: Chinese national standard for food additive phosphoric acid.
  • REACH: EU regulation for chemical safety.
  • FDA 21 CFR 184.1081: US regulation for food use.

13. Global Import and Export Regions Top 5

Top 5 Exporting Regions (2025 Data)

  1. Morocco (OCP) – 30% of global exports
  2. China – 25% of global exports
  3. Russia (PhosAgro) – 15% of global exports
  4. USA (Mosaic) – 10% of global exports
  5. Saudi Arabia (Ma’aden) – 8% of global exports

Top 5 Importing Regions (2025 Data)

  1. India – Largest importer for fertilizer production
  2. Brazil – Major agricultural consumer
  3. United States – Net importer for industrial use
  4. Indonesia – Growing fertilizer demand
  5. European Union – High-purity acid demand

14. Google Search Commercial Keywords: 10 FAQ Questions and Answers

  1. Where to buy phosphoric acid in bulk? Major suppliers include OCP, PhosAgro, and Chinese manufacturers like Yuntianhua. Use B2B platforms or direct contracts.
  2. What is the price of phosphoric acid per ton in 2026? Prices range from $600/MT for fertilizer grade to $4,000/MT for high-purity electronic grade.
  3. Which country exports the most phosphoric acid? Morocco is the largest exporter, followed by China.
  4. How to import phosphoric acid from China safely? Use a verified supplier, request a COA, conduct a third-party inspection, and use secure payment terms like L/C.
  5. Is phosphoric acid cheaper to buy from China? Yes, typically 15-25% cheaper than Western suppliers due to lower production costs.
  6. What is the best grade of phosphoric acid for fertilizer? Wet-process acid with 52-54% P₂O₅ content is standard.
  7. Can I get a sample of phosphoric acid before ordering? Yes, most Chinese suppliers provide free samples, but you pay for shipping.
  8. What is the MOQ for phosphoric acid from China? Typically 20 MT (one 20-foot container) for drums, or 500 MT for bulk orders.
  9. How long does shipping take from China to the USA? Sea freight takes 25-35 days from Shanghai to Los Angeles.
  10. What certifications do I need for food-grade phosphoric acid? FSSC 22000, HACCP, and FDA compliance are mandatory.

15. Customs Data and Tariff Rates

HS Code: 2809.20.00 (Phosphoric acid and polyphosphoric acids).

輸入国 関税率(最恵国待遇) 備考
米国 0% – 3.7% Duty-free under certain trade agreements
欧州連合 0% – 5.5% REACH registration required
インド 7.5% – 10% High demand, protective tariffs
ブラジル 4% – 8% Mercosur common external tariff
China (Export) 0% (Export Tax Rebate) 13% VAT refund for exporters

16. Why Choose Small and Medium-Sized Factories vs. Large Factories?

中小工場のメリット

  • 柔軟性: SMEs are more willing to customize packaging, grades, and payment terms.
  • MOQを下げる: They often accept orders as small as 5-10 MT, ideal for new buyers or niche applications.
  • Faster Response: Decision-making is quicker, and communication is more direct.
  • 競争力のある価格設定: 諸経費が少なければ、少量生産でより良い価格を実現できる。.

Advantages of Large Factories (State-Owned or Multinational)

  • Consistency: Larger batches ensure uniform quality.
  • Scale: Best for long-term contracts of 500+ MT per month.
  • 資格: They typically hold all necessary international certifications.
  • Supply Security: They have captive mines and are less affected by raw material price spikes.

17. 2026 News and Media Reports (With Sources)

  • 2026年1月 OCP Group announces a $2 billion expansion of its Jorf Lasfar industrial complex to increase phosphoric acid capacity by 1.5 million MT. (Source: Reuters Africa)
  • 2026年3月 China’s Ministry of Ecology and Environment launches a new round of environmental inspections in Guizhou province, temporarily halting production at several small phosphoric acid plants. (Source: China Chemical Reporter)
  • 2026年5月 PhosAgro reports a 12% increase in high-purity phosphoric acid exports to the EU, driven by demand for lithium iron phosphate (LFP) battery production. (Source: Financial Times)
  • 2026年7月 The US International Trade Commission (ITC) initiates an anti-dumping investigation into phosphoric acid imports from Morocco and Israel. (Source: US ITC Official Gazette)
  • 2026年9月 India’s fertilizer ministry signs a five-year supply agreement with Ma’aden for 1 million MT of phosphoric acid annually. (Source: Indian Express)
  • 2026年11月 A breakthrough in purification technology allows Chinese manufacturer Hubei Xingfa to produce electronic-grade acid at 30% lower cost. (Source: South China Morning Post)

18. 2026 Market Core Data Overview

  • 世界市場規模: Estimated at $25.5 billion USD.
  • Global Production Volume: Approximately 68 million MT (as P₂O₅ equivalent).
  • Average Annual Growth Rate (CAGR): 3.2% (2021-2026).
  • Largest End-Use Sector: Fertilizers (82% of total demand).
  • Fastest Growing Segment: High-purity acid for LFP batteries (projected 15% annual growth).
  • China’s Share of Global Production: 38% (approx. 26 million MT).
  • Price Volatility Index: Moderate to high, with a standard deviation of 12% over the last 12 months.

19. Customer and Market Pain Points

  • 価格変動: Fluctuations in phosphate rock and sulfur prices make budgeting difficult for buyers.
  • 品質の不一致: Especially from smaller Chinese factories, impurity levels can vary between batches.
  • Logistics Bottlenecks: Shipping hazardous materials (Class 8) requires specialized carriers, leading to higher freight costs and limited availability.
  • 環境規制: Sudden factory shutdowns in China due to environmental crackdowns disrupt supply chains.
  • 偽造品: Some suppliers dilute acid with water or use non-compliant raw materials, leading to product failure.
  • 長いリードタイム: Custom production and shipping can take 8-12 weeks, causing inventory management issues.
  • Lack of Transparency: Some Chinese manufacturers are reluctant to share full COAs or raw material sourcing details.