The Global Phosphate-free Complexing Agent Market was valued at USD 856.3 Million in 2025 and is projected to reach USD 1,482.9 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 6.3% during the forecast period (2024–2034). This growth is being driven by increasingly stringent global regulations limiting phosphate discharge and rising demand from key end-use industries like water treatment, textiles, and pulp & paper.

As the global chemical industry pivots towards greener and more sustainable practices, the spotlight is on the innovators who provide effective alternatives to traditional, polluting chemicals. In this blog, we profile the Top 10 Companies in the Phosphate-free Complexing Agent Industry—a mix of global chemical conglomerates and specialized manufacturers who are defining the future of industrial chelation and water treatment.

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🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Versene™ (EDTA, GLDA), Sokalan™ (Polycarboxylates)

BASF is a global leader in specialty chemicals, with a dominant position in the complexing agent market. Its Versene™ portfolio offers a range of highly effective aminocarboxylic acids, while Sokalan™ provides sustainable polymer-based solutions. BASF’s vast R&D infrastructure continuously drives innovation towards highly biodegradable and efficient phosphate-free alternatives.

Sustainability & Innovation Initiatives:

• Pioneering Trilon® M (MGDA) as a readily biodegradable, high-performance chelant.
• Committed to integrating sustainability into all product development cycles.
• Strong focus on creating solutions for the detergent, water treatment, and personal care industries.

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9️⃣ 2. Nouryon (AkzoNobel Specialty Chemicals)

Headquarters: Amsterdam, Netherlands
Key Offering: Dissolvine® (GLDA, ASDA, DTPA), Bremtain®

Nouryon is recognized globally for its Dissolvine® brand, a leading line of biodegradable chelating agents. The company is at the forefront of developing novel, naturally derived complexing agents like GLDA (Glutamic acid N,N-diacetic acid), setting industry standards for performance and environmental profile.

Sustainability & Innovation Initiatives:

• World’s first producer of bio-based, readily biodegradable GLDA.
• Investing in capacity expansions to meet soaring demand for green chelants.
• Providing tailored solutions for cleaning, agriculture, and oil & gas applications.

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8️⃣ 3. Dow Inc.

Headquarters: Midland, Michigan, USA
Key Offering: Versene™ (EDTA series), UCAROSPERSE™ dispersants

Dow’s Performance Monomers division is a key supplier of ethyleneamine-based chelating agents. Its integrated manufacturing and strong technological expertise in water-soluble polymers make it a critical partner for industries requiring high-purity, consistent quality complexing agents for demanding applications.

Sustainability & Innovation Initiatives:

• Focus on improving the environmental footprint of its Versene™ product line.
• Developing integrated solutions that combine chelation with dispersion and scale inhibition.
• Serving global markets in water treatment, paper, and textile processing.

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7️⃣ 4. Kemira Oyj

Headquarters: Helsinki, Finland
Key Offering: Fennofix®, Kenwater® (specialty phosphonates & polymers)

Kemira is a powerhouse in water chemistry, with deep expertise in developing performance chemicals for water-intensive industries. While known for phosphonates, the company has a robust portfolio of and is actively innovating in polymer-based, phosphate-free scale and deposit control agents for industrial water treatment.

Sustainability & Innovation Initiatives:

• R&D focused on high-efficiency, low-environmental-impact polymers for cooling and boiler water systems.
• Strong application knowledge in pulp & paper, oil & gas, and mining water circuits.
• Commitment to helping customers reduce water consumption and discharge footprint.

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6️⃣ 5. Innospec Inc.

Headquarters: Englewood, Colorado, USA
Key Offering: Octaquest® (IDS, EDDS), specialty phosphonates

Innospec’s Performance Chemicals business is a significant player in high-value, specialty chelating agents. Its Octaquest® line features innovative, biodegradable molecules like IDS (Iminodisuccinic acid) and EDDS, designed as direct drop-in replacements for traditional phosphonates and EDTA in demanding applications.

Sustainability & Innovation Initiatives:

• Specialization in next-generation, readily biodegradable chelants with superior metal-binding capacity.
• Strong focus on personal care, crop nutrition, and industrial cleaning formulations.
• Providing technical support for complex formulation challenges.

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5️⃣ 6. Mitsubishi Chemical Corporation

Headquarters: Tokyo, Japan
Key Offering: Chelest® (EDTA, HEDTA, DTPA), Glycine derivatives

Mitsubishi Chemical is a leading Asian producer of high-purity aminocarboxylic acid chelating agents under the Chelest® brand. The company serves a wide array of industries with a focus on quality and supply chain reliability, making it a preferred supplier in the APAC region and beyond.

Sustainability & Innovation Initiatives:

• Developing and promoting the use of glycine-derived NTA alternatives.
• Expanding production capacity to cater to growing Asian demand for phosphate-free solutions.
• Key supplier to the electronics, agrochemical, and detergent sectors.

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4️⃣ 7. AVA Chemicals Pvt. Ltd.

Headquarters: Mumbai, India
Key Offering: EDTA salts, DTPA, NTA, Gluconates, Citrates

AVA Chemicals is a major Indian manufacturer of a broad spectrum of chelating agents and intermediates. The company competes effectively on cost and service, catering to the vast domestic textile, leather, and water treatment industries, while also serving export markets.

Sustainability & Innovation Initiatives:

• Increasing production of biodegradable gluconates and citrates for eco-friendly formulations.
• Strategic focus on serving price-sensitive markets transitioning away from phosphates.
• Strong regional supply chain and logistics network within South Asia.

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3️⃣ 8. Fuyang Biotech / Dongxiao Biotech

Headquarters: Hangzhou, China
Key Offering: Gluconates, Citrates, Polyaspartic Acid, Itaconic Acid derivatives

These leading Chinese biotechnology companies represent the shift towards bio-based chemical production. They are world-scale manufacturers of natural hydroxy carboxylic acids like gluconic acid, providing cornerstone ingredients for green cleaning, water treatment, and construction chemical formulations globally.

Sustainability & Innovation Initiatives:

• Core competency in fermentation technology for producing bio-based complexing agents.
• Driving down the cost of green alternatives, accelerating market adoption.
• Supplying key raw materials to global brands in detergents and personal care.

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2️⃣ 9. LANXESS AG

Headquarters: Cologne, Germany
Key Offering: Baypure® (DS, CX), Lewatit® ion exchange resins (complementary tech)

LANXESS, through its Liquid Purification Technologies business, offers the Baypure® range of biodegradable chelating agents, including polyaspartic acid and citric acid derivatives. Its unique position also includes ion exchange resins, providing customers with integrated solutions for metal ion removal.

Sustainability & Innovation Initiatives:

• Promoting Baypure® as a high-performance, non-toxic, and readily biodegradable chelant.
• Combining chelation technology with ion exchange for advanced water treatment systems.
• Focus on applications in household & industrial cleaning and gas scrubbing.

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1️⃣ 10. Taiwan Hopax Chemicals Mfg. Co., Ltd.

Headquarters: Kaohsiung, Taiwan
Key Offering: EDTA, DTPA, HEDTA, NTA, Citrates in various salt forms

Hopax Chemicals is a significant global merchant supplier of high-quality chelating agents. The company is known for its reliability, consistent quality, and competitive pricing across a comprehensive product portfolio, serving customers in over 80 countries.

Sustainability & Innovation Initiatives:

• Providing a reliable global supply of standard phosphate-free chelants.
• Expanding product offerings to include more niche and blended specialty products.
• Strong customer service and technical support for diverse industrial applications.

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Phosphate-free Complexing Agent Market – View in Detailed Research Report

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🌍 Outlook: The Future of Complexing Agents Is Inherently Green

The phosphate-free complexing agent market is undergoing a fundamental transformation. While traditional agents like EDTA still hold volume, the innovation and growth trajectory are decisively aligned with bio-based chemistry, superior biodegradability, and regulatory compliance. The companies leading this charge are not just selling chemicals; they are enabling the sustainable transition of entire industries.

📈 Key Trends Shaping the Market:

• Accelerated regulatory phase-outs of phosphates in detergents and cleaners across major economies.
• Rising demand for bio-based and readily biodegradable chelants (e.g., GLDA, IDS, Polyaspartates).
• Increasing application scope in advanced water treatment, sustainable textiles, and green agrochemicals.
• Strategic expansions and partnerships in the high-growth Asia-Pacific region.

Get Full Report Here:
Phosphate-free Complexing Agent Market – View in Detailed Research Report

The companies profiled above are the architects of this cleaner industrial future, proving that high performance and environmental responsibility can, and must, go hand in hand.