EDTA 4Na, also known as ethylenediaminetetraacetic acid tetrasodium salt, is a chemical compound commonly used as a chelating agent in various industries. Here are some key properties and uses of EDTA 4Na:
_Properties_
1. _Chemical Formula_: C10H16N2O8Na4
2. _Molecular Weight_: 380.24 g/mol
3. _Appearance_: White, crystalline powder
4. _Solubility_: Highly soluble in water, soluble in organic solvents
5. _pH_: 11-12 (1% aqueous solution)
_Uses_
1. _Chelating Agent_: EDTA 4Na is used as a chelating agent to bind and remove heavy metals, such as lead, mercury, and arsenic, from solutions.
2. _Water Treatment_: It is used in water treatment applications to remove heavy metals, scale, and corrosion inhibitors.
3. _Food and Beverage_: EDTA 4Na is used as a food additive to prevent spoilage and extend shelf life by binding to metal ions that can catalyze oxidation reactions.
4. _Pharmaceuticals_: It is used as an excipient in pharmaceutical applications to improve the stability and bioavailability of certain medications.
5. _Cosmetics_: EDTA 4Na is used in cosmetics and personal care products to improve the stability and effectiveness of certain ingredients.
_Benefits_
1. _High Chelating Capacity_: EDTA 4Na has a high chelating capacity, making it effective at binding and removing heavy metals from solutions.
2. _Stability_: It is a stable compound that can withstand high temperatures and pH levels.
3. _Low Toxicity_: EDTA 4Na is generally considered to be of low toxicity and is safe for use in food and pharmaceutical applications.
4. _Cost-Effective_: It is a cost-effective alternative to other chelating agents, such as citric acid and gluconic acid.
_Safety and Handling_
