EDTA 4 Sodium & EDTA 2 Sodium | Industrial Chemical Trading by ChemTech
Overview
EDTA (Ethylenediaminetetraacetic acid) is one of the most widely used chelating agents in the chemical industry.
It effectively binds metal ions such as calcium, magnesium, iron, and copper, preventing unwanted reactions and deposits in industrial processes.
In commercial applications, EDTA is available mainly in two forms:
- Disodium EDTA (EDTA 2Na)
- Tetrasodium EDTA (EDTA 4Na)
Each form has distinct solubility, pH range, and functionality, making them suitable for different industrial purposes.
ChemTech, a professional chemical trading and supply company, imports and distributes EDTA 2Na and EDTA 4Na sourced from reliable global manufacturers, ensuring consistent quality for industrial applications.
Difference Between EDTA 2Na and EDTA 4Na
| Property | EDTA 2Na | EDTA 4Na |
| Chemical Formula | C₁₀H₁₄N₂Na₂O₈ | C₁₀H₁₂N₂Na₄O₈ |
| Appearance | White crystalline powder | White or granular powder, highly soluble |
| Water Solubility | Moderate | Excellent |
| pH (1% Solution) | 4.5 – 5.5 | 10 – 11 |
| Main Applications | Detergents, water treatment, textiles | Food, pharmaceuticals, agriculture |
| Packaging | 25-kg bags | 25-kg bags or industrial drums |
Industrial Applications of EDTA 2Na and EDTA 4Na
🧴 1. Detergent and Cleaning Industry
EDTA plays a crucial role in detergent formulations, acting as a water softener that removes hardness ions such as calcium (Ca²⁺) and magnesium (Mg²⁺).
This enhances cleaning efficiency and prevents scaling in washing systems.
EDTA 2Na is widely used in shampoos, soaps, dishwashing liquids, and industrial cleaners.
💧 2. Water and Wastewater Treatment
In water treatment plants, EDTA serves as a metal ion control agent, preventing scale formation and corrosion in pipelines and equipment.
It is also effective in removing heavy metals from industrial effluents and wastewater streams.
⚗️ 3. Pharmaceutical and Food Industries
EDTA 4Na is used as a stabilizing and preserving agent in pharmaceutical and food formulations.
It prevents oxidation, rancidity, and discoloration by binding trace metal ions.
In the food sector, it helps maintain freshness and shelf life of processed products.
🌿 4. Agriculture
In agriculture, EDTA 4Na acts as an efficient chelating agent in liquid fertilizers and micronutrient formulations.
It improves nutrient uptake by plants and enhances soil fertility, leading to healthier growth and higher yields.
🧵 5. Textile, Paper, and Photography Industries
In textile dyeing, EDTA prevents interference from metal ions, ensuring uniform and stable coloration.
It is also utilized in the pulp and paper industry to improve bleaching quality and in photographic processes to control metal impurities.
Advantages of Using EDTA in Industry
- Enhances detergent performance in hard water
- Prevents scale formation and corrosion
- Stabilizes chemical and food formulations
- Extends product shelf life
- Effective in various pH conditions
- Environmentally safe at controlled concentrations
Safety and Storage Recommendations
- Store in a cool, dry, and well-ventilated area, away from moisture and sunlight.
- Avoid direct contact with skin and eyes.
- Use protective gloves and masks when handling the material.
EDTA Supply by ChemTech
ChemTech supplies EDTA 2Na and EDTA 4Na of guaranteed quality and competitive pricing for industries such as detergents, water treatment, agriculture, pharmaceuticals, and food processing.
With a strong network of international suppliers, ChemTech ensures reliable delivery, certified quality (COA, MSDS), and technical support for every shipment.
For price quotations, specifications, or technical documents, contact the ChemTech sales team today.







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