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Founded in 2015, SHANDONG HUNTEC CHEMICAL CO., LTD specializes in the research, development, and manufacturing of surfactant-related products for the home care, cleaning, and personal care industries. With a professional team of around 100 employees, the company has established stable production and quality management systems to support long-term cooperation with global customers. Our production base is located in Heze City, close to Qingdao Port, providing convenient logistics for international shipments. Our main products include Sodium Lauryl Sulfate (SLS), Sodium Alpha-Olefin Sulfonate (AOS), cationic softeners, and customized surfactant solutions.
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Our Certificate
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Our products are trusted in markets including the Americas, Southeast Asia, and Russia, with 2025 sales reaching $5 million.
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Equipped with film sulfonation units, dual-flow spray drying units, and a scrape-film drying unit, our factory supports an annual capacity of 10,000 MT.
Customized Solutions
We provide customized surfactant products based on customer requirements, including different formulations and specifications for cleaning and personal care applications.
Ethylenediaminetetraacetate Edta
Ethylenediaminetetraacetic acid (EDTA) is a kind of metal chelating agent (binds to bivalent and trivalent metal cations, including calcium). Ethylenediaminetetraacetic acid has antibacterial, anti-inflammatory, antioxidant, anti-hypercalcemia and anticoagulant activities. Ethylenediaminetetraacetic acid decreases the metal ion-catalyzed oxidative damage to proteins, and allows maintenance of reducing environment during protein purification. Ethylenediaminetetraacetic acid can alleviate the liver fibrosis. Ethylenediaminetetraacetic acid can be used for coronary artery disease and neural system disease research.
|
Chemical formula |
C10H16N2O8 |
|
Molar mass |
292.24 g·mol−1 |
|
Appearance |
Colourless crystals |
|
Density |
860 mg mL−1 (at 20 °C) |
|
Log P |
−0.836 |
|
Acidity (pKa) |
1.782 |
|
Basicity (pKb) |
12.215 |
|
Chemical formula |
C10H16N2O8 |
|
Molar mass |
292.24 g·mol−1 |
|
Appearance |
Colourless crystals |
|
Density |
860 mg mL−1 (at 20 °C) |
|
Log P |
−0.836 |
|
Acidity (pKa) |
1.782 |
|
Basicity (pKb) |
12.215 |
|
Chemical formula |
C10H16N2O8 |
|
Molar mass |
292.24 g·mol−1 |
Benefits of Ethylenediaminetetraacetate Edta
Effective Chelation
EDTA’s ability to form stable complexes with metal ions makes it highly effective in controlling the presence of these ions in various processes.
Improved Cleaning
In detergents, EDTA enhances cleaning efficiency by sequestering metal ions that can interfere with cleaning agents’ performance.
Water Quality
In water treatment, EDTA helps maintain water quality by preventing scaling and corrosion caused by metal ions.
Food Preservation
EDTA extends the shelf life of certain food products by preventing spoilage and deterioration.
Agricultural Productivity
In agriculture, EDTA aids in nutrient uptake by plants, leading to improved crop yields.
Medicinal Applications
In medicine, EDTA is used to treat heavy metal poisoning and as a chelating agent in certain medical procedures.
Type of Ethylenediaminetetraacetate Edta
EDTA Free Acid (H₄EDTA)
This is the pure, unneutralized form of EDTA with the molecular formula C₁₀H₁₆N₂O₈ and a molecular weight of 292.24 g/mol. It appears as a white crystalline powder. The key limitation of this form is its very poor water solubility (only about 0.5 g/L at room temperature), which restricts its direct use.
Disodium EDTA (Na₂H₂EDTA · 2H₂O)
This is the most widely used form of EDTA in the world. Its molecular weight is approximately 372.24 g/mol. It has good water solubility and produces a solution with a pH around 4.5–5.0. It is the standard form used in complexometric titrations, food preservation, cosmetics, and water treatment.
Tetrasodium EDTA (Na₄EDTA · 4H₂O)
This is the fully neutralized sodium salt with a molecular weight of about 380.2 g/mol. All four carboxylic acid groups are deprotonated and replaced with sodium ions. It is highly water-soluble and produces a strongly alkaline solution (pH ≈ 10–11).
Dipotassium EDTA (K₂H₂EDTA)
This form replaces the sodium ions with potassium ions (MW ≈ 404.5 g/mol). Its most important feature is that it does not interfere with potassium levels in blood samples.
Calcium Disodium EDTA (CaNa₂EDTA)
This is a pre-chelated salt where calcium is already bound to the EDTA molecule (MW ≈ 400.4 g/mol). It is non-toxic, stable, and does not deplete calcium from the body. This makes it the drug of choice for treating lead poisoning and other heavy metal toxicities (such as mercury, arsenic, and cadmium).
Iron Sodium EDTA (FeNaEDTA)
Also known as sodium ferric ethylenediaminetetraacetate, this is an iron-chelated form of EDTA with a molecular weight of about 367.0 g/mol. The iron is tightly bound to EDTA, which prevents it from reacting with other food components and keeps it bioavailable.
Applications of Ethylenediaminetetraacetate Edta
Chelating Agent: Ethylenediaminetetraacetic acid (EDTA) is primarily used as a chelating agent in various industries. It binds to metal ions, forming stable, water-soluble complexes. This property is especially useful in products that need to sequester or neutralize metal ions to prevent undesirable reactions, such as in cosmetics, pharmaceuticals, and industrial processes.
Water Treatment: EDTA is widely used in water treatment processes to remove metal ions from hard water. By chelating calcium and magnesium ions, EDTA helps soften water, improving the efficiency of soaps and detergents. It also prevents the formation of scale and deposits in boilers and cooling systems.
Cosmetics and Personal Care: In cosmetics, EDTA is used to enhance the stability and effectiveness of formulations. By binding metal ions that can cause instability or degradation, EDTA helps maintain the integrity of products such as creams, lotions, shampoos, and conditioners. It also improves the performance of preservatives, enhancing product shelf life.
Food Industry: EDTA is used as a food additive (labeled as E385) to preserve color, texture, and flavor by chelating metal ions that could lead to oxidation or spoilage. It is commonly found in canned vegetables, dressings, and soft drinks to extend shelf life and maintain quality.
Pharmaceuticals: In the pharmaceutical industry, EDTA is used in formulations to stabilize drugs, particularly those sensitive to metal ion-induced oxidation. It is also used in chelation therapy to treat heavy metal poisoning, where it helps bind and remove toxic metals like lead and mercury from the body.
How Ethylenediaminetetraacetate Edta is Made
Raw Materials
The primary raw materials used in EDTA production include ethylenediamine, formaldehyde, and sodium cyanide.
Synthesis
These raw materials undergo a series of chemical reactions to produce EDTA.
Purification
The resulting mixture is purified to remove impurities and unwanted byproducts.
Formulation
The purified EDTA is formulated into various product forms, such as liquid solutions or solid powders, depending on its intended application.
Safety Precautions
Hygiene Measures
Always wash hands and any exposed skin with mild soap and water before eating, drinking, smoking, or leaving the work area. Do not eat, drink, or smoke in areas where EDTA is being handled. Remove contaminated clothing and wash it thoroughly before reuse.
Dust Control
EDTA is supplied as a fine crystalline powder. Avoid generating dust at all costs. Minimize dust accumulation on surfaces, benches, and equipment. Use only non-sparking tools and explosion-proof electrical equipment when handling large quantities, as EDTA dust can form combustible dust concentrations in air — a serious fire and explosion hazard.
No Smoking
Keep EDTA away from all sources of ignition, including open flames, sparks, hot surfaces, and static discharge. Take precautionary measures against static electricity, especially when transferring powdered EDTA between containers.
Storage Conditions
Temperature
Store EDTA powder at room temperature (15–25°C) in a cool, dry place. However, EDTA blood collection tubes must be refrigerated at 2–8°C to preserve anticoagulant function and ensure accurate test results.
Humidity
Keep EDTA in a dry environment. High humidity causes moisture buildup, leading to product dilution or caking. For blood tubes, moisture can contaminate blood samples. Avoid areas near steam pipes, water sources, or poorly ventilated spaces.
Light Exposure
EDTA is light-sensitive over time. Store in a dark place away from direct sunlight. Use amber or opaque containers, or keep products in closed cabinets to prevent UV-induced degradation.
Ventilation
Store in a well-ventilated area. Good air circulation prevents dust accumulation and reduces the risk of inhalation exposure.
FAQ
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