Ethylenediaminetetraacetic acid CAS#60-00-4

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• Chemical Name:  Ethylenediaminetetraacetic acid
• CAS No.:    60-00-4
• Molecular Fomula: ：C10H16N2O8
• Molecular weight：292.24
• Appearance:white powder
• Sample：Available

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Description of carboxymethyl

• Ethylenediaminetetraacetic acid (EDTA), also known by several other names, is an aminopolycarboxylic acid and a colourless, water-soluble solid. Its conjugate base is ethylenediaminetetraacetate. It is widely used to dissolve limescale. Its usefulness arises because of its role as a hexadentate (“six-toothed”) ligand and chelating agent, i.e., its ability to “sequester” metal ions such as Ca2+ and Fe3+. After being bound by EDTA into a metal complex, metal ions remain in solution but exhibit diminished reactivity. EDTA is produced as several salts, notably disodium EDTA and calcium disodium EDTA.
  It is on the World Health Organization’s List of Essential Medicines, the most important medications needed in a basic health system.

Basic Info of carboxymethyl

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Basic Info

Numbering system

Properties

Safety Info

What is Ethylenediaminetetraacetic acid?

• With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Ethylenediaminetetraacetic acid   which has developed particularly rapidly in recent years. Do you know about Ethylenediaminetetraacetic acid?
• The official answer：The product is crystallized and precipitated from water as a white powder. Solubility in water at 25℃ is 0.5g/L. Insoluble in cold water, alcohol, and general organic solvents. Soluble in sodium hydroxide, sodium carbonate, and ammonia solution.

What’s the application of Ethylenediaminetetraacetic acid?

• 1, ethylenediaminetetraacetic acid (EDTA) is an important complexing agent. EDTA is widely used, can be used as color photographic material processing bleaching fixing solution, dyeing auxiliary, fiber processing auxiliary, cosmetic additives, blood anticoagulant, detergent, stabilizer, a synthetic rubber polymerization initiator, EDTA is a representative substance of chelating agent. It can form stable water-soluble complexes with alkali metals, rare earth elements, and transition metals. In addition to sodium salts, there are ammonium salts and iron, magnesium, calcium, copper, manganese, zinc, cobalt, aluminum, and other various salts, these salts have different uses. In addition, EDTA can also be used to make harmful radioactive metals from the human body quickly excreted to play a detoxifying effect. EDTA is also an important indicator but can be used to titrate metal nickel, copper, etc., when used with ammonia, to play the role of the indicator. 2, ethylenediaminetetraacetic acid is excellent calcium, magnesium ion chelating agent, used as an emulsion polymerization of water chelating agent, remove Ca2 +, Mg2 +, Fe2 +, Fe3 +, and other metal ions. Also used as a complexing agent for anaerobic adhesives, i.e., EDTA treatment of methacrylic acid diesters to remove transition metal ions, eliminating the effects of peroxide decomposition can promote the anaerobic adhesive stability is very good. the sodium salt of EDTA chelate metal ions can improve the modified acrylic acid-fast. Solid structural adhesive (SGA) storage stability, dosage -3 × 10-4 ~ 6.0 × 10-4. dosage of 1.5%, 50 ~ C storage stability of more than 360h (50 ℃ storage 4d, equivalent to SGA 20 ~ C storage 1 year). 3, commonly used in boiler water softening. Prevent scaling. Used as dyeing auxiliary, fiber treatment agent, cosmetic additive, blood anticoagulant, water treatment agent, a rubber polymerization initiator, PVC heat stabilizer, etc.

Conclusion

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