What is Diethylenetriaminepentaacetic acid pentapotassium?

Diethylenetriaminepentaacetic acid pentapotassium, commonly abbreviated as DTPA-K₅ or Pentapotassium DTPA, it is a water-soluble, high-efficiency chelating agent widely used in agriculture, industrial water treatment, cosmetics, and chemical formulations. It is a potassium salt of DTPA, a stronger chelating agent than EDTA, capable of binding a broader range of metal ions, including heavy metals. DTPA-K₅ is especially valued for its stability at higher pH levels and strong metal ion sequestration properties.

Specification

Key Features and Benefits

Strong chelating power: DTPA-K₅ forms stable complexes with metal ions such as Fe³⁺, Cu²⁺, Zn²⁺, Mn²⁺, and Pb²⁺.

High solubility and alkalinity: Suitable for high-pH formulations (up to pH 12), where EDTA loses effectiveness.

Prevents metal-catalyzed degradation: Protects formulations from discoloration, oxidation, and loss of efficacy.

Environmentally safer alternative: Especially in formulations that aim to reduce heavy metal bioavailability in wastewater or soil.

Applications

Agriculture and Horticulture
DTPA-K₅ is widely used as a chelating agent in micronutrient fertilizers, particularly for:

Chelated iron (Fe-DTPA) in hydroponics and foliar sprays

Soil conditioners that keep micronutrients bioavailable even in alkaline soils

Micronutrient mixes for correcting deficiencies in crops

Compared to EDTA, DTPA is more stable at higher pH values, making it ideal for calcareous and high-pH soils.

Industrial Water Treatment
In boiler water, cooling towers, and industrial systems, DTPA-K₅ is used to:

Control scale formation caused by calcium and magnesium

Bind trace heavy metals that catalyze corrosion or fouling

Improve the efficiency of water-softening agents

Cosmetics and Personal Care
DTPA-K₅ helps stabilize cosmetic formulations by binding metal ions that may cause rancidity, discoloration, or degradation. It is used in:

Creams, shampoos, and lotions

Hair dyes and colorants

Soaps and cleansing products

Cleaning and Detergents
In industrial and household cleaning products, DTPA-K₅ enhances cleaning performance by:

Softening water and preventing soap scum

Improving detergent action in hard water

Preventing redeposition of dirt on cleaned surfaces

Laboratory and Analytical Use
DTPA-K₅ is employed in analytical chemistry and metal ion buffering due to its precise chelating behavior and wide pH range stability.

Market Outlook

Driven by the growth in precision agriculture, sustainable farming, and clean-label formulations in personal care, the global demand for high-performance chelating agents like DTPA-K₅ is on the rise. Additionally, industries focused on water treatment and heavy metal remediation are turning to DTPA-based solutions for their superior performance in extreme conditions.

Lifeworth is well-positioned to meet this demand by offering competitive, scalable, and customized solutions globally.

Why Choose Lifeworth as Your DTPA-K₅ Supplier?

Lifeworth is a trusted manufacturer and supplier of high-quality chelating agents including Diethylenetriaminepentaacetic acid pentapotassium (DTPA-K₅).Our company has passed ISO9001-2000, ISO14001, GB/T28001, ISO22000 management system certification, and obtained FDA, Kosher, Halal, BRC and REACH certification. We always adhere to the business philosophy of “quality first, integrity first”, implement the business strategy of “developing the best products”, providing the best services, and creating the best brands”, and strive to build Lifeworth into a world-class enterprise.

We can supply 40% 45% DTPA-5K solution with a total annual output of more than 9,500 tons. Our main products also include Ethylenediaminetetraacetic acid EDTA ,Ethylenediaminetetraacetic Acid EDTA 2na, Trisodium salt monohydrate 36% solution (EDTA-3NA 36%), Ethylene diamine tetraacetic acid tetrasodium salt EDTA-4Na, EDTA TetrasodiumDihydrate (EDTA-4NA•2H2O), the total annual output of EDTA products exceeds 90,000 tons, and the product quality meets international standards. The products have been exported to more than 80 countries around the world, including Europe, Asia, Africa, and North America. Our production capacity is stable, our prices are competitive, and our product quality is well recognized by customers from all over the world.

If you want to buy DTPA-5K, but you can not find where to buy it, kindly contact us :sales@naturallifeworth.com, we will help you.

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Conclusion

Diethylenetriaminepentaacetic acid pentapotassium (DTPA-K₅) is a powerful, versatile chelating agent that plays a vital role in agriculture, water treatment, cosmetics, and industrial applications. With its superior performance in high-pH environments and strong metal ion binding capacity, it stands as a valuable alternative to traditional chelators. As a leading supplier and manufacturer, Lifeworth is committed to delivering high-quality DTPA-K₅ with reliable service and global support.

Reference:

https://pubchem.ncbi.nlm.nih.gov/compound/Potassium-trihydrogen-ethylenediaminetetraacetate

Package:

1.1-5kg sample order we can provide aluminum foil bag package.

2.5-10kg order we can provide aluminum foil bag package.

3.Liquid packaging: 200kg/drum

Contacts:

E-Mail: sales@naturallifeworth.com
Mobile: 0086-18292562757
Whatsapp: 0086-18292562757

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