Ethylenediaminetetraacetic Acid EDTA

Huihuang Chemical

Specifications

HS Code	875163
Chemical Formula	C10H16N2O8
Molar Mass	292.24 g/mol
Appearance	White crystalline powder
Solubility In Water	Slightly soluble in cold water, more soluble in hot water
Pka Values	pKa1 = 0.0, pKa2 = 1.5, pKa3 = 2.0, pKa4 = 2.67, pKa5 = 6.16, pKa6 = 10.26
Chelating Ability	Strong chelating agent for metal ions
Ph Of Aqueous Solution	Approx. 4.0 - 5.0 for 0.1M solution
Stability Constant With Metal Ions	High stability constants with various metal ions
Boiling Point	Decomposes before boiling
Melting Point	240 °C (decomposes)

Packing & Storage

Packing	500 - gram pack of Ethylenediaminetetraacetic Acid (EDTA) in a resealable plastic bag.
Storage	Ethylenediaminetetraacetic acid (EDTA) should be stored in a cool, dry place, away from direct sunlight. Keep it in a tightly - sealed container to prevent moisture absorption, as it can form hydrates. Store it separately from strong oxidizing agents and bases to avoid potential reactions. Proper storage helps maintain its chemical stability and integrity for reliable use in various applications.
Shipping	Ethylenediaminetetraacetic Acid (EDTA) is typically shipped in sealed, corrosion - resistant containers. It must be protected from moisture and stored away from incompatible substances during transit to ensure safety.

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General Information

Historical Development

EDTA, or ethylenediaminetetraacetic acid, has a long history of development. In the early days, chemical research was just beginning, but the exploration of complex coordination compounds was not deep. However, the academic community was thirsty for knowledge and worked tirelessly.
To a certain era, several wise men focused on this field. After repeated experiments and painstaking thinking, EDTA was finally found to have unique coordination properties. It can tightly combine with many metal ions to form stable complexes.
Since then, EDTA has emerged in analytical chemistry and has made great achievements in water quality testing, metal separation and other fields. With the passage of time and technological refinement, the preparation process of EDTA has been continuously improved, and the application scope has also continued to expand. It is indispensable in many industries such as chemical industry and medicine, and has made remarkable achievements in promoting the development of chemistry.

Product Overview

Ethylenediaminetetraacetic acid (EDTA) is also a wonderful chemical product. Its specific nature, can chelate various metal ions, and has a wide range of uses. Looking at its shape, it is often a white crystalline powder, and it has good water solubility. In industry, it can be used as a water purifier to remove metal impurities from water and make water clear. In the medical field, it can be used as an anticoagulant to keep blood flowing. In the chemical industry, it is an excellent chelating agent, used in the production of pigments, coatings, etc., to help stabilize it. Its performance is excellent, and it has extraordinary skills in various fields. It is an indispensable and good product in chemical materials.

Physical & Chemical Properties

EDTA is a common compound in chemical research. Its physical properties are white crystalline powder at room temperature, odorless and tasteless, slightly soluble in water, and slightly more soluble in hot water and alkali.
In terms of chemical properties, EDTA has strong complexicity and can form stable complexes with a variety of metal ions. This property makes it widely used in many fields. For example, in water quality treatment, it can chelate metal ions in water to prevent them from precipitating or causing corrosion. In analytical chemistry, it is often used as a coordination titrator to accurately determine the content of metal ions. Its chemical structure contains multiple coordination atoms, which can combine with metal ions in a specific ratio to form a stable structure, which is the fundamental reason for its role.

Technical Specifications & Labeling

Ethylenediaminetetraacetic acid (EDTA) is also a chemical product. Its technical specifications and identification (product parameters) are related to the quality and use of this product. The preparation method of EDTA requires specific techniques, from the selection of raw materials to the control of reaction conditions. Its purity must reach a high standard, and the impurity content must be minimal. On the label, the product name, chemical formula, purity, production date, shelf life, etc., are readily available. In this way, the user can make it clear and suitable for its use, and ensure that this product is used in the fields of chemicals, medicine, food, etc., to meet the strict requirements of various industries.

Preparation Method

The method of EDTA is mainly in the raw materials. The main ones are ethylenediamine and chloroacetic acid, which form the basis of EDTA. The method is as follows: first dissolve chloroacetic acid in water, add carbonate to make it into a mixture, and this step seeks to homogenize it. Then add ethylenediamine and add anti-mixture. In the case of anti-mixture, it is necessary to control its degree and quality, and this is necessary. The degree is high, and the side effects are generated, so that the material is not damaged; if it is insufficient, the reaction is not finished. After the reaction is completed, cold, crystalline, and divided, the rough product of EDTA can be obtained. Then refined, such as the method of re-crystallization, remove its quality and improve its quality. In this way, it is the general principle of EDTA.

Chemical Reactions & Modifications

"On the Chemical Reaction and Modification of Ethylenediaminetetraacetic Acid (EDTA) "
Ethylenediaminetraacetic acid, referred to as EDTA, plays an important role in various chemical applications. Its chemical reaction is particularly unique, and it can complex with many metal ions to form a stable chelate. This characteristic makes it useful in water treatment, electroplating, medicine and other fields.
However, the initial EDTA also has limitations, so it needs to be modified to achieve the best condition. Modification methods, or introduce specific functional groups, or change the molecular structure. Through this, the complexation ability and selectivity of EDTA are improved. For example, in a certain experiment, the modified EDTA has a higher complexing efficiency for specific metal ions than the previous ones, and can precisely complexe target ions in complex systems. In this way, EDTA has been chemically modified to emit more excellent performance and broader application prospects in various fields.

Synonyms & Product Names

Ethylenediaminetetraacetic acid (EDTA) is a chemical substance with the same name and trade name, which is quite worth studying. Looking at the books of the past, this thing is also known by other names. In the past, it may have been called a chelating agent, because of its strong chelating ability, it can be combined with various metal ions. There are also people who call it acetic acid. Although this name is rarely used, it is also mentioned in the old records. As for the trade name, in the past, there was a name for a complexing agent in the market, because EDTA often showed its function in complexation reactions. Looking at ancient books, although such records are scattered everywhere, if you study them carefully, you can also get the change of its name. EDTA is widely used, and the complexity of its namesake and trade name also reflects its importance in the field of chemistry.

Safety & Operational Standards

"Ethylenediaminetetraacetic Acid (EDTA) Product Safety and Operation Specifications"
Fuethylenediaminetraacetic acid, English name Ethylenediaminetetraacetic Acid, referred to as EDTA, the safety and operation specifications of its products are of great importance.
For storage, EDTA products should be placed in a cool, dry and well ventilated place. Do not be near fire or heat sources to prevent accidents. Packaging must be tight to avoid excessive contact with air and deterioration.
When operating, operators need to wear suitable protective equipment. If wearing protective gloves, you can avoid direct contact with the skin, because EDTA may irritate the skin; wear protective glasses to prevent it from splashing into the eyes and damaging vision.
During use, the solution must be prepared according to the precise ratio. If the ratio is out of balance, it may cause deviation of experimental results, or cause other adverse consequences. And the operation should be carried out in the fume hood. If there is gas volatilization, it can be discharged in time to avoid the operator's inhalation and damage to health.
If you accidentally come into contact with EDTA, such as skin contamination, you should immediately rinse with a large amount of water; if it enters the eye, you need to rinse it with flowing water quickly and seek medical attention immediately.
The safety and operation specifications of EDTA products must be strictly followed in order to ensure the safety of personnel and promote the smooth experimentation or production.

Application Area

EDTA is the English abbreviation of ethylenediaminetetraacetic acid. This chemical has a wide range of uses and a wide range of application fields. In the field of medical testing, it is often used as an anticoagulant to prevent blood coagulation and make the test results more accurate. In water quality treatment, it can chelate metal ions in water, reduce the hardness of water, and prevent scale formation. In industrial production, such as papermaking, textile and other industries, it also plays an important role in stabilizing product quality. In chemical analysis, EDTA, as a coordination agent, can form stable complexes with many metal ions to help determine the content of metal ions. Therefore, EDTA is indispensable in many fields and has a profound impact on production and life.

Research & Development

It has been a year since I studied EDTA. This material has good chelation properties, and it is effective and widely used in the complexation of metal ions. At first, I only knew the principle, but in practice, it was not exquisite.
Then I devoted myself to the study, to explore the method of its preparation, and to study the ratio of raw materials and the reaction conditions. After repeated tests, it gradually became clear that it changed, and the purity of the product was higher.
Thinking about its use, it can be used in medicine, printing and dyeing, and food industries. It is extended, and we will discuss with our colleagues, hoping to develop its growth and help the industry. Nowadays, the use of EDTA is becoming more and more widespread, and Yu also expects to have more new opportunities in the future. He will continue to move forward in research and exhibition to promote the prosperity of this industry.

Toxicity Research

"Study on the Toxicity of Ethylenediaminetetraacetic Acid (EDTA) "
The EDTA is a commonly used agent in the chemical industry. It is widely used in various fields, but the study of its toxicity cannot be ignored.
Now its properties have been carefully observed, and it has been observed experimentally. Taking various organisms as tests, EDTA is applied to them. Observe its physiological changes and observe its growth state. See some tested organisms, there are abnormal signs. Or growth retardation, or physiological violations.
Although EDTA is widely used, its toxicity cannot be ignored. When using it, be careful, study the dose carefully, and observe the effect carefully. Hope to take advantage of it, avoid its harm, and maintain the safety of the environment and the health of creatures.

Future Prospects

EDTA, the abbreviation of Ethylenediaminetetraacetic Acid, is quite important in chemical products. Looking at its future prospects, there are still many things to be explored.
In terms of its performance, EDTA has excellent chelating properties with metal ions, and is widely used in water treatment, medicine, analytical chemistry and other fields. In the future, it may be possible to further explore the drug carrier of precision medicine, and use its combination with metal ions to enable drug targeted delivery to achieve better curative effect.
In industrial production, the application of EDTA may become more environmentally friendly and efficient. Develop new synthetic processes to reduce its energy consumption and pollution, and improve its yield to meet the needs of sustainable development. In the field of new material preparation, it is also expected to help synthesize materials with special properties and expand the boundaries of material applications.
The future development of EDTA is full of opportunities and challenges. Our chemical researchers should explore it diligently to unlock its endless potential.

Frequently Asked Questions

What are the main uses of ethylenediaminetetraacetic acid (EDTA)?

Ethylenediaminetetraacetic acid (EDTA) has a wide range of uses. In the field of industry, it is often used for water quality treatment. Water contains many metal ions, resulting in poor water quality. EDTA can complex with various metal ions to separate metal ions from water and achieve the effect of purifying water quality. If it is used in boiler water, if metal ions are not removed for a long time, it will scale and damage the boiler. EDTA treatment can ensure the smooth operation of the boiler.
In chemical production, EDTA is also an important auxiliary agent. In the production of pigments and coatings, it can stabilize metal ions, making the product uniform in color and performance. In the electroplating industry, it can adjust the concentration of metal ions in the plating solution, making the coating dense and uniform, and improving the quality of electroplating.
In analytical chemistry, EDTA is a commonly used complexing titrant. Because it can complex with many metal ions in a certain proportion, it can accurately determine the content of metal ions in the solution by controlling the reaction conditions. If the hardness of water is measured, that is, the total amount of calcium and magnesium ions in the water, EDTA titration method is convenient and accurate.
In the field of biomedicine, EDTA is also useful. In blood anticoagulation, it can chelate calcium ions in the blood, block the coagulation process, keep the blood liquid, and facilitate testing. In drug preparation, it can be used as a stabilizer to prevent the decomposition of drugs catalyzed by metal ions in drugs and prolong the shelf life of drugs.

What are the differences in the application of ethylenediaminetetraacetic acid (EDTA) in different industries?

Alas! Ethylenediaminetetraacetic acid (EDTA), in various industries, its use varies. In medicine, EDTA can be used as an anticoagulant agent. For blood testing, if you want it not to coagulate, in order to keep the blood sample normal, EDTA is suitable. It can chelate calcium ions in the blood, block the way of blood coagulation, so that the blood can be tested without error.
In the chemical industry, EDTA is the best chelating agent. Many metal ions are active and prone to change, EDTA can be combined with them to stabilize their properties. For example, in the industry of dyeing and weaving, metal ions in water or disturbing the dyeing are uniform, and when chelated with EDTA, the color is uniform and beautiful. In addition to electroplating, EDTA can adjust the concentration of metal ions in the plating solution, making the coating dense and beautiful.
In the food industry, EDTA also has its use. As a color protector and preservative, it can keep the color of food fresh and prolong its storage time. Fruit and vegetable products are prone to oxidation and color change caused by metal ions, EDTA chelates ions and slows down its transformation. And it can inhibit the growth of microorganisms. Because some microorganisms rely on metal ions to live, EDTA takes its source and inhibits bacterial growth.
In the field of environmental protection, EDTA can help contaminated areas. If soil and water are contaminated by metals, EDTA can dissolve metals to facilitate subsequent decontamination. When wastewater is stabilized, metal ions are separated.
From this perspective, EDTA is used in the medical, chemical, food, and environmental industries. Each has its own strengths and different functions, but they are all relied on by the industry. It is of great benefit to everything.

What are the effects of ethylenediaminetetraacetic acid (EDTA) on the environment?

Ethylenediaminetetraacetic acid (EDTA) has a serious impact on the environment. This agent has strong chelating power and can complex with various metal ions.
In water environments, EDTA can increase the solubility and migration of metal ions. Common in industrial wastewater and domestic sewage, if not properly treated, it flows into rivers, lakes and seas, or causes metal ions to diffuse in water bodies. For example, some heavy metal ions are easy to precipitate, but due to the chelation of EDTA, they remain in the aqueous phase, increasing their bioavailability, or posing a threat to aquatic organisms. Studies have shown that EDTA can increase the activity of heavy metal ions such as copper and lead in water bodies, affecting the physiological functions of fish and shellfish, causing their growth to be blocked and reproduction to be inhibited.
In the soil environment, EDTA also plays a role. It can combine with metal ions in the soil to change the soil chemical properties. In moderation, it may assist plants in the absorption of certain trace elements, such as iron, zinc, etc., because EDTA can dissolve insoluble trace elements in the soil for plants to ingest. However, excessive EDTA exists in the soil, or causes excessive leaching of metal ions in the soil, which destroys the soil nutrient balance. And EDTA degrades slowly in the soil, accumulating or changing the structure and function of soil microbial community for a long time, affecting the stability of soil ecosystem.
In the atmospheric environment, although EDTA does not directly discharge pollutants, it may produce related volatile organic compounds during its production process, which indirectly affects the air quality. In addition, during rainfall, particles containing EDTA settle to the ground and return to the soil and water environment.
In short, the impact of EDTA on the environment is complex, with advantages and disadvantages. It should be used with caution to prevent its excessive discharge from causing environmental problems.

How safe is ethylenediaminetetraacetic acid (EDTA)?

For ethylenediaminetetraacetic acid (EDTA), its safety should be carefully observed.
EDTA is quite stable under normal conditions. At room temperature and pressure, it rarely interacts with other things, so it is not easy to cause danger when stored. However, it has a strong complexing ability and can be complexed with various metal ions. Although it is used in medicine, food and other fields, it can be used in moderation according to regulations. For example, it can chelate metal ions in medicine to treat diseases, and it can be used as a preservative in food to protect the quality. However, if the dosage exceeds the regulations, it may also be harmful. In medicine, or cause imbalance of metal ions in the body, damage to the organs; in food, excessive or disturb the normal uptake and metabolism of metal elements by the human body.
In addition, if EDTA accidentally touches the skin, it may cause a slight irritation, such as a little itching, redness. Entry into the eyes can cause discomfort, tingling and tears. If taken by mistake, it may affect the digestive system, nausea, vomiting, abdominal pain, etc.
Industrial EDTA is often involved in chemical synthesis processes. If production control is not good, impurities are mixed in, and safety is also threatened. And in the environment, although its degradability is still acceptable, it is discharged in large quantities, or it is tired of the environment, which may have an impact on water ecology, causing the concentration of metal ions in the water body to change, affecting the survival and reproduction of aquatic organisms.
Therefore, the safety of EDTA is not general, and it should be carefully handled according to its use, dosage and contact route, etc., to ensure human safety and environmental well-being.

What are the advantages of ethylenediaminetetraacetic acid (EDTA) over other similar compounds?

EDTA has many advantages over other similar compounds.
First, EDTA has a strong complexing ability. Its molecules contain multiple coordination atoms, which can be efficiently complexed with many metal ions to form stable complexes. As "Tiangong Kaiwu" said: "The phase of things is in harmony with its properties." EDTA and metal ions are similar to each other and can be tightly bound. This property makes it applicable in many fields. For example, in water quality treatment, it can effectively complex calcium, magnesium and other metal ions in water, reduce water hardness, prevent scale formation, and ensure smooth operation of equipment.
Second, EDTA has good selectivity to metal ions. Like "discerning beads", it can selectively complex with metal ions according to their characteristics. In complex metal ion systems, it can precisely complex target metal ions, while having little impact on other ions. In ore refining, it can prioritize complexing the required metals to improve refining efficiency and purity.
Third, EDTA has good stability. The complex formed by it can remain stable under a wide pH range and temperature conditions. "Stable as a rock", it is not disturbed by small changes in the outside world. It can play a reliable role in analysis and testing in different environments or industrial production, providing great convenience for operation.
Fourth, EDTA has good water solubility. It can be easily dissolved in water, making it easy to carry out reactions and applications in aqueous solution systems. Just like fish get water, it can be easily added and used in many water-based processes, bringing many benefits to practical operation.