EDTA-2Na (C₁₀H₁₄N₂Na₂O₈·2H₂O) is a high-purity chelating compound widely recognized across global industries for its exceptional ability to bind, stabilize, and sequester metal ions. With a minimum purity of ≥99.0%, this industrial-grade disodium salt of Ethylenediaminetetraacetic Acid ensures reliable performance, strong metal-binding capacity, and consistent results in applications ranging from water treatment and cosmetics to food processing and pharmaceuticals. Its multifunctional nature, chemical stability, and superior sequestering capability make EDTA-2Na an indispensable component of modern industrial and commercial formulations.

—

Chemical Structure and Properties

EDTA-2Na is characterized by its molecular structure containing multiple nitrogen and carboxyl groups, enabling it to form stable complexes (chelates) with metal ions such as calcium, magnesium, iron, copper, zinc, and manganese. This metal-binding property enhances the stability and efficiency of chemical formulations where metal contamination may cause discoloration, degradation, oxidation, precipitation, or reduced performance.

Key Physical and Chemical Features

Chemical Formula: C₁₀H₁₄N₂Na₂O₈·2H₂O

Purity: ≥99.0%

Appearance: White, free-flowing crystalline powder

Solubility: Highly soluble in water

pH (1% solution): Slightly alkaline

Chelation Value: Strong binding affinity for divalent and trivalent metal ions

These properties allow EDTA-2Na to perform exceptionally well in diverse industrial environments where metal-ion control is critical.

—

Major Industrial Applications

1. Water Treatment

EDTA-2Na plays a vital role in softening hard water by capturing calcium and magnesium ions. It prevents scale formation, improves water clarity, enhances chemical reactivity, and increases the efficiency of detergents and cleaning agents used in both industrial and municipal water treatment systems.

2. Detergents and Cleaning Agents

In household and industrial detergents, EDTA-2Na serves as a stabilizer and performance enhancer. By binding metal ions, it:

Improves detergent activity

Prevents the degradation of surfactants

Reduces discoloration and rancidity

Enhances cleaning efficiency even in hard water

Its presence ensures brighter, cleaner wash results and prolongs the shelf life of detergent formulations.

3. Cosmetics and Personal Care

In skincare and haircare products—such as shampoos, soaps, lotions, creams, and serums—EDTA-2Na helps maintain product clarity, color, and stability. It prevents metal-induced oxidation and contamination, ensuring the product remains fresh and safe for extended periods.

4. Pharmaceuticals

Pharmaceutical industries use EDTA-2Na as a stabilizer and preservative enhancer. It prevents metal-catalyzed reactions in medicinal formulations, ensuring:

Improved product stability

Reduced oxidation

Enhanced efficacy of preservatives

It is commonly found in injections, eye drops, ointments, and topical medications.

5. Food Industry (Approved in Many Countries)

In food processing, EDTA-2Na is used as a preservative, stabilizer, and color-retention agent. It prevents oxidation, rancidity, enzymatic browning, and nutrient loss by trapping trace metal ions that catalyze spoilage. Common applications include canned foods, sauces, mayonnaise, soft drinks, and processed vegetables.

6. Textile and Dyeing Industry

EDTA-2Na enhances dyeing efficiency in the textile sector by removing unwanted metal ions from water, ensuring:

Better dye absorption

Uniform coloring

Prevention of dye precipitation

Improved color brightness

Its chelation ensures deep and consistent penetration of dyes into fibers.

7. Agriculture

In agricultural formulations, EDTA-2Na is used to produce micronutrient chelates, which significantly improve nutrient absorption in plants. These chelates ensure stable, non-reactive, and easily absorbable forms of essential minerals like iron, zinc, and manganese.

8. Laboratory and Analytical Use

In analytical chemistry, EDTA-2Na is widely used in titration processes to determine metal ion concentrations. Its strong binding capacity ensures accurate and consistent analytical results.

—

Advantages of EDTA-2Na

High Purity (≥99%) ensures consistent performance

Superior chelating strength for a wide range of metal ions

Enhances stability of formulations by preventing oxidation and degradation

Improves color retention in cosmetics, food, and textile applications

Non-reactive and thermally stable, suitable for various industrial processes

Environmentally safer alternative to many older chemical chelators

 

—

Storage & Handling

EDTA-2Na should be stored in a cool, dry, well-ventilated place, away from moisture and direct sunlight. Containers must be tightly sealed to prevent clumping and preserve chemical integrity. Standard safety practices—such as protective gloves and eye protection—are recommended during handling.

—

Conclusion

EDTA-2Na (≥99.0%) is a high-performance, multi-industry chelating agent that provides unmatched stability, efficiency, and versatility in controlling metal ions. Its extensive applications across water treatment, cosmetics, detergents, pharmaceuticals, food processing, textiles, and agriculture make it a cornerstone chemical in modern manufacturing. With excellent solubility, high purity, and exceptional chelating properties, EDTA-2Na delivers dependable performance and long-term value in a wide range of industrial formulations.