Ethylenediaminetetraacetic Tetrasodium Salt Dihydrate (EDTA-Na4·2H2O) is a chemical compound with a purity range of 99 – 100.9%. It is also known by other names such as Tetrasodium EDTA Dihydrate and Sodium Ethylenediaminetetraacetate Dihydrate.

EDTA-Na4·2H2O is a versatile compound with various applications in different industries. It is commonly used for its chelating properties, which enable it to bind to metal ions and form stable complexes. Here are some of the potential uses of Ethylenediaminetetraacetic Tetrasodium Salt Dihydrate:

Industrial applications: EDTA-Na4·2H2O is used in industries such as textile, pulp and paper, and metal processing. It serves as a chelating agent to remove unwanted metal ions and prevent undesirable reactions during various processes.

Cleaning and detergents: It finds application in cleaning products, detergents, and soaps as a sequestering agent. By binding to metal ions, it helps prevent the formation of unwanted deposits and enhances the cleaning efficiency.

Water treatment: EDTA-Na4·2H2O is employed in water treatment processes to control the formation of scale and deposits caused by metal ions. It aids in improving water quality and mitigating issues related to hardness.

Agriculture: It is used in agriculture as a chelating agent for micronutrients. By enhancing the availability and absorption of essential metals, it supports plant growth and nutrient uptake.

Cosmetics and personal care products: EDTA-Na4·2H2O is utilized in cosmetic and personal care formulations as a stabilizer and preservative. It helps maintain product stability by chelating metal ions that can degrade the product.

Research and laboratory: It finds applications in various research and laboratory settings. EDTA-Na4·2H2O is used as a complexing agent for metal ion analysis, a component in buffer systems, and for metal ion separation techniques.

Please note that the specific usage recommendations and concentrations may vary depending on the intended application and industry guidelines
Industrial applications: Metal processing, textile, and pulp and paper industries.
Cleaning and detergents: Sequestering agent in cleaning products and detergents.
Water treatment: Control of scale and deposits in water.
Agriculture: Chelating agent for micronutrients in agriculture.
Cosmetics and personal care products: Stabilizer and preservative.
Research and laboratory: Metal ion analysis, buffer systems, and separation techniques.
Minimum Assay: 100.9%
Molecular Formula: (NaOOCCH2)2NCH2CH2N(CH2COONa)2 · 2H2O
Molecular Weight: 416.20 g/mol.
Iron (Fe): <0.001%
Heavy Metals (as Pb): <0.002%


Hazard Phrases: Harmful if swallowed. Causes serious eye damage.

Prec Phrases: Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.



Cas No: 10378-23-1
Einecs No: 200-573-9