Overview of Disodium Edetate Dihydrate EDTA 2Na
Disodium edetate dihydrate, also known as EDTA-2Na, is a good compounding agent in chemistry.EDTA 2Na has six coordination atoms and forms a complex called chelate. EDTA is often used in coordination titration to determine the content of metal ions.Disodium edetate dihydrate is white or milky white crystal or granular powder. EDTA is an important chelating agent, which can chelate metal ions in solution.
Chemical Properties of Disodium Edetate Dihydrate EDTA 2Na:
Melting point: 250 ℃ (dec) it
Boiling point:>100C
Density: 1.01g/mLat25 ℃
Refractive index: n20/D1.363
Flash point:>100 ℃
Storage conditions: room temp
Solubility: soluble in 3 MNaOH: 100mg/mL
Acidity coefficient (pKa): pK1: 1.99 pK2: 2.67 pK3: 6.16 pK4: 10.26 (25C)
PH value: 4.0-5.5 (25 ℃, 0.1MinH20)
Water solubility: double
Application of Disodium Edetate Dihydrate EDTA 2Na
1. Used for complexing metal ions and separating metals
Application of Disodium Edetate Dihydrate
2. It can be used as detergent, liquid soap, shampoo, agricultural chemical spray, bleaching fixer, water purification agent, pH regulator, anion coagulant, etc.
Company Profile
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Packing of Disodium Edetate Dihydrate EDTA 2Na
We have many different kinds of packing which depend on Disodium Edetate Dihydrate EDTA 2Na quantity.
Disodium Edetate Dihydrate EDTA 2Na packing:1kg/bottle, 25kg/barrel, or 200kg/ barrel.
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FAQs of Disodium Edetate Dihydrate
Q:What are the main application areas of disodium EDTA dihydrate?
A:Used as stabiliser and chelating agent for drugs, preventing the degradation of drugs by metal ions and improving the stability and effectiveness of drugs. Used as food additives, as antioxidant and stabiliser, to prevent food from deterioration and prolong shelf life. Used as chelating agent in cosmetics to prevent the influence of metal ions on the composition of cosmetics and improve the stability and effectiveness of products. Used as standard reagent for complexation titration to determine the content of calcium, magnesium and other metal ions in water. Used as a water treatment agent to remove metal ions in water, improve water quality and prevent scaling and corrosion of pipelines.
Q:What is the method of preparation of disodium EDTA dihydrate?
A:Direct Neutralisation: The neutralisation reaction of ethylenediaminetetraacetic acid (EDTA) with sodium hydroxide (NaOH) in aqueous solution produces the disodium salt of EDTA. Precipitation: EDTA is reacted with a sodium salt (e.g. sodium carbonate or sodium hydroxide) in aqueous solution to produce a precipitate of EDTA disodium salt. The precipitate is filtered, washed and dried to obtain ethylenediaminetetraacetic acid disodium salt dihydrate.
Q:How safe and environmentally friendly is disodium EDTA dihydrate?
A:Ethylenediaminetetraacetic acid disodium salt dihydrate solution is neutral or weakly alkaline and may cause slight irritation or discomfort on contact with skin and eyes. Protective gloves and goggles should be worn during use. Inhalation of ethylenediaminetetraacetic acid disodium salt dihydrate dust or vapour may cause respiratory discomfort. Good ventilation should be maintained during handling. Accidental ingestion of ethylenediaminetetraacetic acid disodium salt dihydrate may cause gastrointestinal irritation or poisoning. If accidentally swallowed, seek medical attention immediately. Discharge of ethylenediaminetetraacetic acid disodium salt dihydrate solution into the environment may affect aquatic ecosystems. Therefore, waste water after use should be properly treated to ensure compliance with environmental standards before discharge. Waste ethylenediaminetetraacetic acid disodium salt dihydrate solids or solutions should be disposed of in accordance with hazardous waste disposal regulations to avoid pollution of the environment.
Q:What is the future of ethylenediaminetetraacetic acid disodium salt dihydrate?
A:Develop disodium EDTA dihydrate derivatives with higher chelating capacity and selectivity to meet the needs of high-end applications. Research and develop a more environmentally friendly production process for EDTA disodium dihydrate to reduce the generation of harmful by-products and improve resource utilisation. Through copolymerisation or other modification methods, give disodium EDTA dihydrate more functions, such as antimicrobial, antioxidant, etc., to broaden its application scope. Explore the application of disodium EDTA dihydrate in biomedical fields, such as drug carriers, bioactive materials, etc. To study the application of disodium EDTA dihydrate in the field of new energy, such as battery electrolyte, catalyst, etc., to provide support for sustainable development.
