The Global 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) Market was valued at USD 840.5 Million in 2024 and is projected to reach USD 1.21 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2024–2030). This robust growth is fueled by stringent environmental regulations for water discharge, expanding industrial activities in emerging economies, and the critical role of HEDP as a high-performance scale and corrosion inhibitor across power generation, oil & gas, and chemical processing sectors.

As industries worldwide prioritize operational efficiency, asset protection, and sustainability, the demand for advanced water treatment chemicals is accelerating. In this blog, we profile the Top 10 Companies in the HEDP Industry—specialty chemical manufacturers and global suppliers that are innovating to meet the complex demands of modern industrial water systems.

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Global 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) Market – View in Detailed Research Report

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🔟 1. Aquapharm Chemicals Pvt. Ltd.

Headquarters: Pune, India
Key Offering: HEDP Acid, HEDP Na Salt (Sodium Salt)

Aquapharm is a leading global producer of phosphonates, including high-purity HEDP. The company serves a diverse clientele in water treatment, detergents, and oilfield applications, with a strong focus on research and development to enhance product efficacy and environmental compatibility.

Innovation & Sustainability Initiatives:

• Development of low-phosphorus and biodegradable variants

• Strategic focus on green chemistry principles in manufacturing

• Expansion of production capacities to meet growing Asian and Middle Eastern demand

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9️⃣ 2. Excel Industries Limited

Headquarters: Mumbai, India
Key Offering: HEDP (Technical Grade), Customized HEDP Formulations

Excel Industries has a long-standing reputation in the specialty chemicals sector, with a dedicated portfolio for water treatment chemicals. Their HEDP products are widely used in industrial cooling water systems andReverse Osmosis (RO) membranes to prevent scaling.

Innovation & Sustainability Initiatives:

• Investment in zero-liquid discharge (ZLD) compliant product lines

• Partnerships with utility and infrastructure companies for integrated water management solutions

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8️⃣ 3. Italmatch Chemicals S.p.A.

Headquarters: Genoa, Italy
Key Offering: HEDP-based scale inhibitors, Aquis® and Geolus® series

Italmatch Chemicals is a major global player in performance chemicals, with a strong water treatment division. The company offers a range of phosphonates under its brands, providing effective solutions for calcium carbonate and sulfate scale control under extreme conditions.

Innovation & Sustainability Initiatives:

• Focus on developing polymers and phosphonates for enhanced oil recovery (EOR)

• Commitment to sustainable manufacturing processes and circular economy models

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Global 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) Market – View in Detailed Research Report

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7️⃣ 4. Shandong Taihe Water Treatment Co., Ltd.

Headquarters: Shandong, China
Key Offering: HEDP Acid, HEDP·Na2, HEDP·Na4, HEDP·Na5

Shandong Taihe is one of China’s largest manufacturers of water treatment chemicals, with a significant export footprint. The company produces various salts of HEDP to suit different pH and application requirements in industrial water systems.

Innovation & Sustainability Initiatives:

• Large-scale, cost-competitive production capabilities

• Extensive distribution network across Asia-Pacific and Africa

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6️⃣ 5. Uniphos Chemicals Ltd.

Headquarters: Mumbai, India
Key Offering: HEDP Technical Grade, HEDP for Detergents

Uniphos Chemicals specializes in phosphorus-based chemicals and has a strong presence in the HEDP market. The company caters to both domestic Indian demand and international markets, with applications ranging from industrial water treatment to textile processing.

Innovation & Sustainability Initiatives:

• Backward integration into phosphorous raw materials for supply chain security

• Development of application-specific HEDP blends

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5️⃣ 6. Henan Qingshuiyuan Technology Co., Ltd.

Headquarters: Henan, China
Key Offering: High-Purity HEDP, HEDP Sodium Salts

Henan Qingshuiyuan is a prominent Chinese manufacturer focusing on water treatment agents and fine chemicals. The company is known for its consistent quality and competitive pricing, making it a key supplier in price-sensitive markets.

Innovation & Sustainability Initiatives:

• Continuous process optimization to reduce production costs and environmental impact

• Expansion into high-growth sectors like shale gas and geothermal energy

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4️⃣ 7. Shanghai Jianghu Industrial Co., Ltd.

Headquarters: Shanghai, China
Key Offering: HEDP Acid, Corrosion Inhibitor Blends containing HEDP

Shanghai Jianghu Industrial supplies a wide array of industrial chemicals, with HEDP being a core product. The company serves the metal finishing, plating, and circulating cooling water system markets with tailored formulations.

Innovation & Sustainability Initiatives:

• Development of multi-functional inhibitors combining HEDP with polymers and zinc

• Strong logistics network for efficient export to global customers

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3️⃣ 8. Zhejiang Omex Engineering Co., Ltd.

Headquarters: Zhejiang, China
Key Offering: OMEX HEDP Series, Water Treatment Chemical Packages

Zhejiang Omex is an integrated engineering and chemical company that provides HEDP and other phosphonates as part of comprehensive water treatment programs. They offer technical support and monitoring services alongside chemical supply.

Innovation & Sustainability Initiatives:

• Focus on providing complete water treatment solutions rather than just chemicals

• R&D into synergies between HEDP and other treatment agents for improved performance

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2️⃣ 9. ICL Performance Products LP

Headquarters: St. Louis, Missouri, USA
Key Offering: Dequest® 2010 (HEDP Acid), Dequest® 2016 (HEDP Na Salt)

ICL Performance Products, part of the global ICL Group, is a leader in phosphorous-based specialty products. Their Dequest® brand of phosphonates, including HEDP, is renowned for quality and is used in demanding applications from oilfield scale control to industrial cleaning.

Innovation & Sustainability Initiatives:

• Extensive investment in application research and technical service laboratories

• Leading provider of environmentally preferred chemistries for the oil and gas industry

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1️⃣ 10. Sigma-Aldrich (Merck KGaA)

Headquarters: Darmstadt, Germany
Key Offering: High-Purity HEDP for Laboratory and Analytical Use

While not a bulk industrial supplier, Sigma-Aldrich (a business of Merck KGaA) is a critical player in the high-purity segment. They supply reagent-grade HEDP for research, method development, and quality control testing, supporting innovation across the entire industry.

Innovation & Sustainability Initiatives:

• Provision of analytical standards that enable accurate monitoring of HEDP in environmental samples

• Support for academic and industrial R&D into next-generation scale inhibitors

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Global 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) Market – View in Detailed Research Report

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🌍 Outlook: The Future of HEDP is Smarter and More Sustainable

The HEDP market is evolving beyond its traditional role as a workhorse chemical. The industry is shifting towards high-efficiency formulations, improved environmental profiles, and digitally integrated dosing systems to meet the challenges of water scarcity and stringent regulations.

📈 Key Trends Shaping the Market:

• Rising demand from the Asia-Pacific region, driven by industrialization and power sector growth

• Increasing regulatory pressure for greener chemistries and lower phosphorus discharge

• Integration of HEDP with monitoring and control systems for smart water management

• Development of synergistic blends with polymers and other inhibitors for enhanced performance

Get Full Report Here:
Global 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) Market – View in Detailed Research Report

The companies listed above are not only supplying a critical industrial chemical—they are enabling the efficient and sustainable operation of essential industries worldwide.