Ethylenediaminetetraacetic Acid Tetrasodium Salt, EDTA-4Na

Properties
Chemical Name: Ethylene diaminetetra acetic acid tetrasodium salt, with the chemical formula C10H12N2O8Na4.
Appearance: Typically a white crystalline powder.
pH Value: A 1% aqueous solution has a pH of approximately 10.5-11, showing strong alkalinity.
Solubility: EDTA-4Na is soluble in water and slightly soluble in alcohol.
Stability: Stable under normal conditions of use and storage; should avoid contact with ignition sources and heat.

Uses
Industrial Applications: As an important complexing agent and metal chelator, it is widely used in the textile dyeing industry, water treatment, color photography, medicine, daily chemical industry, and papermaking.
Detergents: To improve washing quality and enhance washing effects.
Chemical Analysis: Used for titration of various metal ions, especially in accurate determination, it has a wide range of applications.
Synthetic Rubber: As a catalyst and polymerization initiator.
Acrylic Industry: Used as a polymerization terminator to offset metal interference and improve the color and brightness of fabrics.
Water Treatment: Acts as a water purifying agent, combining with metal ions to reduce scale formation.